4G04_MCU/rtos/portable/IAR/AtmelSAM7S64/AT91SAM7S64_inc.h

// ----------------------------------------------------------------------------
//          ATMEL Microcontroller Software Support  -  ROUSSET  -
// ----------------------------------------------------------------------------
//  The software is delivered "AS IS" without warranty or condition of any
//  kind, either express, implied or statutory. This includes without
//  limitation any warranty or condition with respect to merchantability or
//  fitness for any particular purpose, or against the infringements of
//  intellectual property rights of others.
// ----------------------------------------------------------------------------
// File Name           : AT91SAM7S64.h
// Object              : AT91SAM7S64 definitions
// Generated           : AT91 SW Application Group  07/16/2004 (07:43:09)
// 
// CVS Reference       : /AT91SAM7S64.pl/1.12/Mon Jul 12 13:02:30 2004//
// CVS Reference       : /SYSC_SAM7Sxx.pl/1.5/Mon Jul 12 16:22:12 2004//
// CVS Reference       : /MC_SAM02.pl/1.3/Wed Mar 10 08:37:04 2004//
// CVS Reference       : /UDP_1765B.pl/1.3/Fri Aug  2 14:45:38 2002//
// CVS Reference       : /AIC_1796B.pl/1.1.1.1/Fri Jun 28 09:36:48 2002//
// CVS Reference       : /lib_pmc_SAM.h/1.6/Tue Apr 27 13:53:52 2004//
// CVS Reference       : /PIO_1725D.pl/1.1.1.1/Fri Jun 28 09:36:48 2002//
// CVS Reference       : /DBGU_1754A.pl/1.4/Fri Jan 31 12:18:24 2003//
// CVS Reference       : /US_1739C.pl/1.2/Mon Jul 12 17:26:24 2004//
// CVS Reference       : /SPI2.pl/1.2/Fri Oct 17 08:13:40 2003//
// CVS Reference       : /SSC_1762A.pl/1.2/Fri Nov  8 13:26:40 2002//
// CVS Reference       : /lib_tc_1753b.h/1.1/Fri Jan 31 12:20:02 2003//
// CVS Reference       : /TWI_1761B.pl/1.4/Fri Feb  7 10:30:08 2003//
// CVS Reference       : /PDC_1734B.pl/1.2/Thu Nov 21 16:38:24 2002//
// CVS Reference       : /ADC_SAM.pl/1.7/Fri Oct 17 08:12:38 2003//
// CVS Reference       : /lib_PWM_SAM.h/1.3/Thu Jan 22 10:10:50 2004//
// ----------------------------------------------------------------------------

// Hardware register definition

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR System Peripherals
// *****************************************************************************
// *** Register offset in AT91S_SYSC structure ***
#define SYSC_AIC_SMR    ( 0) // Source Mode Register
#define SYSC_AIC_SVR    (128) // Source Vector Register
#define SYSC_AIC_IVR    (256) // IRQ Vector Register
#define SYSC_AIC_FVR    (260) // FIQ Vector Register
#define SYSC_AIC_ISR    (264) // Interrupt Status Register
#define SYSC_AIC_IPR    (268) // Interrupt Pending Register
#define SYSC_AIC_IMR    (272) // Interrupt Mask Register
#define SYSC_AIC_CISR   (276) // Core Interrupt Status Register
#define SYSC_AIC_IECR   (288) // Interrupt Enable Command Register
#define SYSC_AIC_IDCR   (292) // Interrupt Disable Command Register
#define SYSC_AIC_ICCR   (296) // Interrupt Clear Command Register
#define SYSC_AIC_ISCR   (300) // Interrupt Set Command Register
#define SYSC_AIC_EOICR  (304) // End of Interrupt Command Register
#define SYSC_AIC_SPU    (308) // Spurious Vector Register
#define SYSC_AIC_DCR    (312) // Debug Control Register (Protect)
#define SYSC_AIC_FFER   (320) // Fast Forcing Enable Register
#define SYSC_AIC_FFDR   (324) // Fast Forcing Disable Register
#define SYSC_AIC_FFSR   (328) // Fast Forcing Status Register
#define SYSC_DBGU_CR    (512) // Control Register
#define SYSC_DBGU_MR    (516) // Mode Register
#define SYSC_DBGU_IER   (520) // Interrupt Enable Register
#define SYSC_DBGU_IDR   (524) // Interrupt Disable Register
#define SYSC_DBGU_IMR   (528) // Interrupt Mask Register
#define SYSC_DBGU_CSR   (532) // Channel Status Register
#define SYSC_DBGU_RHR   (536) // Receiver Holding Register
#define SYSC_DBGU_THR   (540) // Transmitter Holding Register
#define SYSC_DBGU_BRGR  (544) // Baud Rate Generator Register
#define SYSC_DBGU_C1R   (576) // Chip ID1 Register
#define SYSC_DBGU_C2R   (580) // Chip ID2 Register
#define SYSC_DBGU_FNTR  (584) // Force NTRST Register
#define SYSC_DBGU_RPR   (768) // Receive Pointer Register
#define SYSC_DBGU_RCR   (772) // Receive Counter Register
#define SYSC_DBGU_TPR   (776) // Transmit Pointer Register
#define SYSC_DBGU_TCR   (780) // Transmit Counter Register
#define SYSC_DBGU_RNPR  (784) // Receive Next Pointer Register
#define SYSC_DBGU_RNCR  (788) // Receive Next Counter Register
#define SYSC_DBGU_TNPR  (792) // Transmit Next Pointer Register
#define SYSC_DBGU_TNCR  (796) // Transmit Next Counter Register
#define SYSC_DBGU_PTCR  (800) // PDC Transfer Control Register
#define SYSC_DBGU_PTSR  (804) // PDC Transfer Status Register
#define SYSC_PIOA_PER   (1024) // PIO Enable Register
#define SYSC_PIOA_PDR   (1028) // PIO Disable Register
#define SYSC_PIOA_PSR   (1032) // PIO Status Register
#define SYSC_PIOA_OER   (1040) // Output Enable Register
#define SYSC_PIOA_ODR   (1044) // Output Disable Registerr
#define SYSC_PIOA_OSR   (1048) // Output Status Register
#define SYSC_PIOA_IFER  (1056) // Input Filter Enable Register
#define SYSC_PIOA_IFDR  (1060) // Input Filter Disable Register
#define SYSC_PIOA_IFSR  (1064) // Input Filter Status Register
#define SYSC_PIOA_SODR  (1072) // Set Output Data Register
#define SYSC_PIOA_CODR  (1076) // Clear Output Data Register
#define SYSC_PIOA_ODSR  (1080) // Output Data Status Register
#define SYSC_PIOA_PDSR  (1084) // Pin Data Status Register
#define SYSC_PIOA_IER   (1088) // Interrupt Enable Register
#define SYSC_PIOA_IDR   (1092) // Interrupt Disable Register
#define SYSC_PIOA_IMR   (1096) // Interrupt Mask Register
#define SYSC_PIOA_ISR   (1100) // Interrupt Status Register
#define SYSC_PIOA_MDER  (1104) // Multi-driver Enable Register
#define SYSC_PIOA_MDDR  (1108) // Multi-driver Disable Register
#define SYSC_PIOA_MDSR  (1112) // Multi-driver Status Register
#define SYSC_PIOA_PPUDR (1120) // Pull-up Disable Register
#define SYSC_PIOA_PPUER (1124) // Pull-up Enable Register
#define SYSC_PIOA_PPUSR (1128) // Pad Pull-up Status Register
#define SYSC_PIOA_ASR   (1136) // Select A Register
#define SYSC_PIOA_BSR   (1140) // Select B Register
#define SYSC_PIOA_ABSR  (1144) // AB Select Status Register
#define SYSC_PIOA_OWER  (1184) // Output Write Enable Register
#define SYSC_PIOA_OWDR  (1188) // Output Write Disable Register
#define SYSC_PIOA_OWSR  (1192) // Output Write Status Register
#define SYSC_PMC_SCER   (3072) // System Clock Enable Register
#define SYSC_PMC_SCDR   (3076) // System Clock Disable Register
#define SYSC_PMC_SCSR   (3080) // System Clock Status Register
#define SYSC_PMC_PCER   (3088) // Peripheral Clock Enable Register
#define SYSC_PMC_PCDR   (3092) // Peripheral Clock Disable Register
#define SYSC_PMC_PCSR   (3096) // Peripheral Clock Status Register
#define SYSC_PMC_MOR    (3104) // Main Oscillator Register
#define SYSC_PMC_MCFR   (3108) // Main Clock  Frequency Register
#define SYSC_PMC_PLLR   (3116) // PLL Register
#define SYSC_PMC_MCKR   (3120) // Master Clock Register
#define SYSC_PMC_PCKR   (3136) // Programmable Clock Register
#define SYSC_PMC_IER    (3168) // Interrupt Enable Register
#define SYSC_PMC_IDR    (3172) // Interrupt Disable Register
#define SYSC_PMC_SR     (3176) // Status Register
#define SYSC_PMC_IMR    (3180) // Interrupt Mask Register
#define SYSC_RSTC_RCR   (3328) // Reset Control Register
#define SYSC_RSTC_RSR   (3332) // Reset Status Register
#define SYSC_RSTC_RMR   (3336) // Reset Mode Register
#define SYSC_RTTC_RTMR  (3360) // Real-time Mode Register
#define SYSC_RTTC_RTAR  (3364) // Real-time Alarm Register
#define SYSC_RTTC_RTVR  (3368) // Real-time Value Register
#define SYSC_RTTC_RTSR  (3372) // Real-time Status Register
#define SYSC_PITC_PIMR  (3376) // Period Interval Mode Register
#define SYSC_PITC_PISR  (3380) // Period Interval Status Register
#define SYSC_PITC_PIVR  (3384) // Period Interval Value Register
#define SYSC_PITC_PIIR  (3388) // Period Interval Image Register
#define SYSC_WDTC_WDCR  (3392) // Watchdog Control Register
#define SYSC_WDTC_WDMR  (3396) // Watchdog Mode Register
#define SYSC_WDTC_WDSR  (3400) // Watchdog Status Register
#define SYSC_SYSC_VRPM  (3424) // Voltage Regulator Power Mode Register
// -------- VRPM : (SYSC Offset: 0xd60) Voltage Regulator Power Mode Register -------- 
#define AT91C_SYSC_PSTDBY         (0x1 <<  0) // (SYSC) Voltage Regulator Power Mode

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR Advanced Interrupt Controller
// *****************************************************************************
// *** Register offset in AT91S_AIC structure ***
#define AIC_SMR         ( 0) // Source Mode Register
#define AIC_SVR         (128) // Source Vector Register
#define AIC_IVR         (256) // IRQ Vector Register
#define AIC_FVR         (260) // FIQ Vector Register
#define AIC_ISR         (264) // Interrupt Status Register
#define AIC_IPR         (268) // Interrupt Pending Register
#define AIC_IMR         (272) // Interrupt Mask Register
#define AIC_CISR        (276) // Core Interrupt Status Register
#define AIC_IECR        (288) // Interrupt Enable Command Register
#define AIC_IDCR        (292) // Interrupt Disable Command Register
#define AIC_ICCR        (296) // Interrupt Clear Command Register
#define AIC_ISCR        (300) // Interrupt Set Command Register
#define AIC_EOICR       (304) // End of Interrupt Command Register
#define AIC_SPU         (308) // Spurious Vector Register
#define AIC_DCR         (312) // Debug Control Register (Protect)
#define AIC_FFER        (320) // Fast Forcing Enable Register
#define AIC_FFDR        (324) // Fast Forcing Disable Register
#define AIC_FFSR        (328) // Fast Forcing Status Register
// -------- AIC_SMR : (AIC Offset: 0x0) Control Register -------- 
#define AT91C_AIC_PRIOR           (0x7 <<  0) // (AIC) Priority Level
#define 	AT91C_AIC_PRIOR_LOWEST               (0x0) // (AIC) Lowest priority level
#define 	AT91C_AIC_PRIOR_HIGHEST              (0x7) // (AIC) Highest priority level
#define AT91C_AIC_SRCTYPE         (0x3 <<  5) // (AIC) Interrupt Source Type
#define 	AT91C_AIC_SRCTYPE_INT_LEVEL_SENSITIVE  (0x0 <<  5) // (AIC) Internal Sources Code Label Level Sensitive
#define 	AT91C_AIC_SRCTYPE_INT_EDGE_TRIGGERED   (0x1 <<  5) // (AIC) Internal Sources Code Label Edge triggered
#define 	AT91C_AIC_SRCTYPE_EXT_HIGH_LEVEL       (0x2 <<  5) // (AIC) External Sources Code Label High-level Sensitive
#define 	AT91C_AIC_SRCTYPE_EXT_POSITIVE_EDGE    (0x3 <<  5) // (AIC) External Sources Code Label Positive Edge triggered
// -------- AIC_CISR : (AIC Offset: 0x114) AIC Core Interrupt Status Register -------- 
#define AT91C_AIC_NFIQ            (0x1 <<  0) // (AIC) NFIQ Status
#define AT91C_AIC_NIRQ            (0x1 <<  1) // (AIC) NIRQ Status
// -------- AIC_DCR : (AIC Offset: 0x138) AIC Debug Control Register (Protect) -------- 
#define AT91C_AIC_DCR_PROT        (0x1 <<  0) // (AIC) Protection Mode
#define AT91C_AIC_DCR_GMSK        (0x1 <<  1) // (AIC) General Mask

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR Debug Unit
// *****************************************************************************
// *** Register offset in AT91S_DBGU structure ***
#define DBGU_CR         ( 0) // Control Register
#define DBGU_MR         ( 4) // Mode Register
#define DBGU_IER        ( 8) // Interrupt Enable Register
#define DBGU_IDR        (12) // Interrupt Disable Register
#define DBGU_IMR        (16) // Interrupt Mask Register
#define DBGU_CSR        (20) // Channel Status Register
#define DBGU_RHR        (24) // Receiver Holding Register
#define DBGU_THR        (28) // Transmitter Holding Register
#define DBGU_BRGR       (32) // Baud Rate Generator Register
#define DBGU_C1R        (64) // Chip ID1 Register
#define DBGU_C2R        (68) // Chip ID2 Register
#define DBGU_FNTR       (72) // Force NTRST Register
#define DBGU_RPR        (256) // Receive Pointer Register
#define DBGU_RCR        (260) // Receive Counter Register
#define DBGU_TPR        (264) // Transmit Pointer Register
#define DBGU_TCR        (268) // Transmit Counter Register
#define DBGU_RNPR       (272) // Receive Next Pointer Register
#define DBGU_RNCR       (276) // Receive Next Counter Register
#define DBGU_TNPR       (280) // Transmit Next Pointer Register
#define DBGU_TNCR       (284) // Transmit Next Counter Register
#define DBGU_PTCR       (288) // PDC Transfer Control Register
#define DBGU_PTSR       (292) // PDC Transfer Status Register
// -------- DBGU_CR : (DBGU Offset: 0x0) Debug Unit Control Register -------- 
#define AT91C_US_RSTRX            (0x1 <<  2) // (DBGU) Reset Receiver
#define AT91C_US_RSTTX            (0x1 <<  3) // (DBGU) Reset Transmitter
#define AT91C_US_RXEN             (0x1 <<  4) // (DBGU) Receiver Enable
#define AT91C_US_RXDIS            (0x1 <<  5) // (DBGU) Receiver Disable
#define AT91C_US_TXEN             (0x1 <<  6) // (DBGU) Transmitter Enable
#define AT91C_US_TXDIS            (0x1 <<  7) // (DBGU) Transmitter Disable
// -------- DBGU_MR : (DBGU Offset: 0x4) Debug Unit Mode Register -------- 
#define AT91C_US_PAR              (0x7 <<  9) // (DBGU) Parity type
#define 	AT91C_US_PAR_EVEN                 (0x0 <<  9) // (DBGU) Even Parity
#define 	AT91C_US_PAR_ODD                  (0x1 <<  9) // (DBGU) Odd Parity
#define 	AT91C_US_PAR_SPACE                (0x2 <<  9) // (DBGU) Parity forced to 0 (Space)
#define 	AT91C_US_PAR_MARK                 (0x3 <<  9) // (DBGU) Parity forced to 1 (Mark)
#define 	AT91C_US_PAR_NONE                 (0x4 <<  9) // (DBGU) No Parity
#define 	AT91C_US_PAR_MULTI_DROP           (0x6 <<  9) // (DBGU) Multi-drop mode
#define AT91C_US_CHMODE           (0x3 << 14) // (DBGU) Channel Mode
#define 	AT91C_US_CHMODE_NORMAL               (0x0 << 14) // (DBGU) Normal Mode: The USART channel operates as an RX/TX USART.
#define 	AT91C_US_CHMODE_AUTO                 (0x1 << 14) // (DBGU) Automatic Echo: Receiver Data Input is connected to the TXD pin.
#define 	AT91C_US_CHMODE_LOCAL                (0x2 << 14) // (DBGU) Local Loopback: Transmitter Output Signal is connected to Receiver Input Signal.
#define 	AT91C_US_CHMODE_REMOTE               (0x3 << 14) // (DBGU) Remote Loopback: RXD pin is internally connected to TXD pin.
// -------- DBGU_IER : (DBGU Offset: 0x8) Debug Unit Interrupt Enable Register -------- 
#define AT91C_US_RXRDY            (0x1 <<  0) // (DBGU) RXRDY Interrupt
#define AT91C_US_TXRDY            (0x1 <<  1) // (DBGU) TXRDY Interrupt
#define AT91C_US_ENDRX            (0x1 <<  3) // (DBGU) End of Receive Transfer Interrupt
#define AT91C_US_ENDTX            (0x1 <<  4) // (DBGU) End of Transmit Interrupt
#define AT91C_US_OVRE             (0x1 <<  5) // (DBGU) Overrun Interrupt
#define AT91C_US_FRAME            (0x1 <<  6) // (DBGU) Framing Error Interrupt
#define AT91C_US_PARE             (0x1 <<  7) // (DBGU) Parity Error Interrupt
#define AT91C_US_TXEMPTY          (0x1 <<  9) // (DBGU) TXEMPTY Interrupt
#define AT91C_US_TXBUFE           (0x1 << 11) // (DBGU) TXBUFE Interrupt
#define AT91C_US_RXBUFF           (0x1 << 12) // (DBGU) RXBUFF Interrupt
#define AT91C_US_COMM_TX          (0x1 << 30) // (DBGU) COMM_TX Interrupt
#define AT91C_US_COMM_RX          (0x1 << 31) // (DBGU) COMM_RX Interrupt
// -------- DBGU_IDR : (DBGU Offset: 0xc) Debug Unit Interrupt Disable Register -------- 
// -------- DBGU_IMR : (DBGU Offset: 0x10) Debug Unit Interrupt Mask Register -------- 
// -------- DBGU_CSR : (DBGU Offset: 0x14) Debug Unit Channel Status Register -------- 
// -------- DBGU_FNTR : (DBGU Offset: 0x48) Debug Unit FORCE_NTRST Register -------- 
#define AT91C_US_FORCE_NTRST      (0x1 <<  0) // (DBGU) Force NTRST in JTAG

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR Peripheral Data Controller
// *****************************************************************************
// *** Register offset in AT91S_PDC structure ***
#define PDC_RPR         ( 0) // Receive Pointer Register
#define PDC_RCR         ( 4) // Receive Counter Register
#define PDC_TPR         ( 8) // Transmit Pointer Register
#define PDC_TCR         (12) // Transmit Counter Register
#define PDC_RNPR        (16) // Receive Next Pointer Register
#define PDC_RNCR        (20) // Receive Next Counter Register
#define PDC_TNPR        (24) // Transmit Next Pointer Register
#define PDC_TNCR        (28) // Transmit Next Counter Register
#define PDC_PTCR        (32) // PDC Transfer Control Register
#define PDC_PTSR        (36) // PDC Transfer Status Register
// -------- PDC_PTCR : (PDC Offset: 0x20) PDC Transfer Control Register -------- 
#define AT91C_PDC_RXTEN           (0x1 <<  0) // (PDC) Receiver Transfer Enable
#define AT91C_PDC_RXTDIS          (0x1 <<  1) // (PDC) Receiver Transfer Disable
#define AT91C_PDC_TXTEN           (0x1 <<  8) // (PDC) Transmitter Transfer Enable
#define AT91C_PDC_TXTDIS          (0x1 <<  9) // (PDC) Transmitter Transfer Disable
// -------- PDC_PTSR : (PDC Offset: 0x24) PDC Transfer Status Register -------- 

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR Parallel Input Output Controler
// *****************************************************************************
// *** Register offset in AT91S_PIO structure ***
#define PIO_PER         ( 0) // PIO Enable Register
#define PIO_PDR         ( 4) // PIO Disable Register
#define PIO_PSR         ( 8) // PIO Status Register
#define PIO_OER         (16) // Output Enable Register
#define PIO_ODR         (20) // Output Disable Registerr
#define PIO_OSR         (24) // Output Status Register
#define PIO_IFER        (32) // Input Filter Enable Register
#define PIO_IFDR        (36) // Input Filter Disable Register
#define PIO_IFSR        (40) // Input Filter Status Register
#define PIO_SODR        (48) // Set Output Data Register
#define PIO_CODR        (52) // Clear Output Data Register
#define PIO_ODSR        (56) // Output Data Status Register
#define PIO_PDSR        (60) // Pin Data Status Register
#define PIO_IER         (64) // Interrupt Enable Register
#define PIO_IDR         (68) // Interrupt Disable Register
#define PIO_IMR         (72) // Interrupt Mask Register
#define PIO_ISR         (76) // Interrupt Status Register
#define PIO_MDER        (80) // Multi-driver Enable Register
#define PIO_MDDR        (84) // Multi-driver Disable Register
#define PIO_MDSR        (88) // Multi-driver Status Register
#define PIO_PPUDR       (96) // Pull-up Disable Register
#define PIO_PPUER       (100) // Pull-up Enable Register
#define PIO_PPUSR       (104) // Pad Pull-up Status Register
#define PIO_ASR         (112) // Select A Register
#define PIO_BSR         (116) // Select B Register
#define PIO_ABSR        (120) // AB Select Status Register
#define PIO_OWER        (160) // Output Write Enable Register
#define PIO_OWDR        (164) // Output Write Disable Register
#define PIO_OWSR        (168) // Output Write Status Register

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR Clock Generator Controler
// *****************************************************************************
// *** Register offset in AT91S_CKGR structure ***
#define CKGR_MOR        ( 0) // Main Oscillator Register
#define CKGR_MCFR       ( 4) // Main Clock  Frequency Register
#define CKGR_PLLR       (12) // PLL Register
// -------- CKGR_MOR : (CKGR Offset: 0x0) Main Oscillator Register -------- 
#define AT91C_CKGR_MOSCEN         (0x1 <<  0) // (CKGR) Main Oscillator Enable
#define AT91C_CKGR_OSCBYPASS      (0x1 <<  1) // (CKGR) Main Oscillator Bypass
#define AT91C_CKGR_OSCOUNT        (0xFF <<  8) // (CKGR) Main Oscillator Start-up Time
// -------- CKGR_MCFR : (CKGR Offset: 0x4) Main Clock Frequency Register -------- 
#define AT91C_CKGR_MAINF          (0xFFFF <<  0) // (CKGR) Main Clock Frequency
#define AT91C_CKGR_MAINRDY        (0x1 << 16) // (CKGR) Main Clock Ready
// -------- CKGR_PLLR : (CKGR Offset: 0xc) PLL B Register -------- 
#define AT91C_CKGR_DIV            (0xFF <<  0) // (CKGR) Divider Selected
#define 	AT91C_CKGR_DIV_0                    (0x0) // (CKGR) Divider output is 0
#define 	AT91C_CKGR_DIV_BYPASS               (0x1) // (CKGR) Divider is bypassed
#define AT91C_CKGR_PLLCOUNT       (0x3F <<  8) // (CKGR) PLL Counter
#define AT91C_CKGR_OUT            (0x3 << 14) // (CKGR) PLL Output Frequency Range
#define 	AT91C_CKGR_OUT_0                    (0x0 << 14) // (CKGR) Please refer to the PLL datasheet
#define 	AT91C_CKGR_OUT_1                    (0x1 << 14) // (CKGR) Please refer to the PLL datasheet
#define 	AT91C_CKGR_OUT_2                    (0x2 << 14) // (CKGR) Please refer to the PLL datasheet
#define 	AT91C_CKGR_OUT_3                    (0x3 << 14) // (CKGR) Please refer to the PLL datasheet
#define AT91C_CKGR_MUL            (0x7FF << 16) // (CKGR) PLL Multiplier
#define AT91C_CKGR_USBDIV         (0x3 << 28) // (CKGR) Divider for USB Clocks
#define 	AT91C_CKGR_USBDIV_0                    (0x0 << 28) // (CKGR) Divider output is PLL clock output
#define 	AT91C_CKGR_USBDIV_1                    (0x1 << 28) // (CKGR) Divider output is PLL clock output divided by 2
#define 	AT91C_CKGR_USBDIV_2                    (0x2 << 28) // (CKGR) Divider output is PLL clock output divided by 4

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR Power Management Controler
// *****************************************************************************
// *** Register offset in AT91S_PMC structure ***
#define PMC_SCER        ( 0) // System Clock Enable Register
#define PMC_SCDR        ( 4) // System Clock Disable Register
#define PMC_SCSR        ( 8) // System Clock Status Register
#define PMC_PCER        (16) // Peripheral Clock Enable Register
#define PMC_PCDR        (20) // Peripheral Clock Disable Register
#define PMC_PCSR        (24) // Peripheral Clock Status Register
#define PMC_MOR         (32) // Main Oscillator Register
#define PMC_MCFR        (36) // Main Clock  Frequency Register
#define PMC_PLLR        (44) // PLL Register
#define PMC_MCKR        (48) // Master Clock Register
#define PMC_PCKR        (64) // Programmable Clock Register
#define PMC_IER         (96) // Interrupt Enable Register
#define PMC_IDR         (100) // Interrupt Disable Register
#define PMC_SR          (104) // Status Register
#define PMC_IMR         (108) // Interrupt Mask Register
// -------- PMC_SCER : (PMC Offset: 0x0) System Clock Enable Register -------- 
#define AT91C_PMC_PCK             (0x1 <<  0) // (PMC) Processor Clock
#define AT91C_PMC_UDP             (0x1 <<  7) // (PMC) USB Device Port Clock
#define AT91C_PMC_PCK0            (0x1 <<  8) // (PMC) Programmable Clock Output
#define AT91C_PMC_PCK1            (0x1 <<  9) // (PMC) Programmable Clock Output
#define AT91C_PMC_PCK2            (0x1 << 10) // (PMC) Programmable Clock Output
#define AT91C_PMC_PCK3            (0x1 << 11) // (PMC) Programmable Clock Output
// -------- PMC_SCDR : (PMC Offset: 0x4) System Clock Disable Register -------- 
// -------- PMC_SCSR : (PMC Offset: 0x8) System Clock Status Register -------- 
// -------- CKGR_MOR : (PMC Offset: 0x20) Main Oscillator Register -------- 
// -------- CKGR_MCFR : (PMC Offset: 0x24) Main Clock Frequency Register -------- 
// -------- CKGR_PLLR : (PMC Offset: 0x2c) PLL B Register -------- 
// -------- PMC_MCKR : (PMC Offset: 0x30) Master Clock Register -------- 
#define AT91C_PMC_CSS             (0x3 <<  0) // (PMC) Programmable Clock Selection
#define 	AT91C_PMC_CSS_SLOW_CLK             (0x0) // (PMC) Slow Clock is selected
#define 	AT91C_PMC_CSS_MAIN_CLK             (0x1) // (PMC) Main Clock is selected
#define 	AT91C_PMC_CSS_PLL_CLK              (0x3) // (PMC) Clock from PLL is selected
#define AT91C_PMC_PRES            (0x7 <<  2) // (PMC) Programmable Clock Prescaler
#define 	AT91C_PMC_PRES_CLK                  (0x0 <<  2) // (PMC) Selected clock
#define 	AT91C_PMC_PRES_CLK_2                (0x1 <<  2) // (PMC) Selected clock divided by 2
#define 	AT91C_PMC_PRES_CLK_4                (0x2 <<  2) // (PMC) Selected clock divided by 4
#define 	AT91C_PMC_PRES_CLK_8                (0x3 <<  2) // (PMC) Selected clock divided by 8
#define 	AT91C_PMC_PRES_CLK_16               (0x4 <<  2) // (PMC) Selected clock divided by 16
#define 	AT91C_PMC_PRES_CLK_32               (0x5 <<  2) // (PMC) Selected clock divided by 32
#define 	AT91C_PMC_PRES_CLK_64               (0x6 <<  2) // (PMC) Selected clock divided by 64
// -------- PMC_PCKR : (PMC Offset: 0x40) Programmable Clock Register -------- 
// -------- PMC_IER : (PMC Offset: 0x60) PMC Interrupt Enable Register -------- 
#define AT91C_PMC_MOSCS           (0x1 <<  0) // (PMC) MOSC Status/Enable/Disable/Mask
#define AT91C_PMC_LOCK            (0x1 <<  2) // (PMC) PLL Status/Enable/Disable/Mask
#define AT91C_PMC_MCKRDY          (0x1 <<  3) // (PMC) MCK_RDY Status/Enable/Disable/Mask
#define AT91C_PMC_PCK0RDY         (0x1 <<  8) // (PMC) PCK0_RDY Status/Enable/Disable/Mask
#define AT91C_PMC_PCK1RDY         (0x1 <<  9) // (PMC) PCK1_RDY Status/Enable/Disable/Mask
#define AT91C_PMC_PCK2RDY         (0x1 << 10) // (PMC) PCK2_RDY Status/Enable/Disable/Mask
#define AT91C_PMC_PCK3RDY         (0x1 << 11) // (PMC) PCK3_RDY Status/Enable/Disable/Mask
// -------- PMC_IDR : (PMC Offset: 0x64) PMC Interrupt Disable Register -------- 
// -------- PMC_SR : (PMC Offset: 0x68) PMC Status Register -------- 
// -------- PMC_IMR : (PMC Offset: 0x6c) PMC Interrupt Mask Register -------- 

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR Reset Controller Interface
// *****************************************************************************
// *** Register offset in AT91S_RSTC structure ***
#define RSTC_RCR        ( 0) // Reset Control Register
#define RSTC_RSR        ( 4) // Reset Status Register
#define RSTC_RMR        ( 8) // Reset Mode Register
// -------- SYSC_RCR : (RSTC Offset: 0x0) Reset Control Register -------- 
#define AT91C_SYSC_PROCRST        (0x1 <<  0) // (RSTC) Processor Reset
#define AT91C_SYSC_ICERST         (0x1 <<  1) // (RSTC) ICE Interface Reset
#define AT91C_SYSC_PERRST         (0x1 <<  2) // (RSTC) Peripheral Reset
#define AT91C_SYSC_EXTRST         (0x1 <<  3) // (RSTC) External Reset
#define AT91C_SYSC_KEY            (0xFF << 24) // (RSTC) Password
// -------- SYSC_RSR : (RSTC Offset: 0x4) Reset Status Register -------- 
#define AT91C_SYSC_URSTS          (0x1 <<  0) // (RSTC) User Reset Status
#define AT91C_SYSC_BODSTS         (0x1 <<  1) // (RSTC) Brown-out Detection Status
#define AT91C_SYSC_RSTTYP         (0x7 <<  8) // (RSTC) Reset Type
#define 	AT91C_SYSC_RSTTYP_POWERUP              (0x0 <<  8) // (RSTC) Power-up Reset. VDDCORE rising.
#define 	AT91C_SYSC_RSTTYP_WATCHDOG             (0x2 <<  8) // (RSTC) Watchdog Reset. Watchdog overflow occured.
#define 	AT91C_SYSC_RSTTYP_SOFTWARE             (0x3 <<  8) // (RSTC) Software Reset. Processor reset required by the software.
#define 	AT91C_SYSC_RSTTYP_USER                 (0x4 <<  8) // (RSTC) User Reset. NRST pin detected low.
#define 	AT91C_SYSC_RSTTYP_BROWNOUT             (0x5 <<  8) // (RSTC) Brown-out Reset.
#define AT91C_SYSC_NRSTL          (0x1 << 16) // (RSTC) NRST pin level
#define AT91C_SYSC_SRCMP          (0x1 << 17) // (RSTC) Software Reset Command in Progress.
// -------- SYSC_RMR : (RSTC Offset: 0x8) Reset Mode Register -------- 
#define AT91C_SYSC_URSTEN         (0x1 <<  0) // (RSTC) User Reset Enable
#define AT91C_SYSC_URSTIEN        (0x1 <<  4) // (RSTC) User Reset Interrupt Enable
#define AT91C_SYSC_ERSTL          (0xF <<  8) // (RSTC) User Reset Enable
#define AT91C_SYSC_BODIEN         (0x1 << 16) // (RSTC) Brown-out Detection Interrupt Enable

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR Real Time Timer Controller Interface
// *****************************************************************************
// *** Register offset in AT91S_RTTC structure ***
#define RTTC_RTMR       ( 0) // Real-time Mode Register
#define RTTC_RTAR       ( 4) // Real-time Alarm Register
#define RTTC_RTVR       ( 8) // Real-time Value Register
#define RTTC_RTSR       (12) // Real-time Status Register
// -------- SYSC_RTMR : (RTTC Offset: 0x0) Real-time Mode Register -------- 
#define AT91C_SYSC_RTPRES         (0xFFFF <<  0) // (RTTC) Real-time Timer Prescaler Value
#define AT91C_SYSC_ALMIEN         (0x1 << 16) // (RTTC) Alarm Interrupt Enable
#define AT91C_SYSC_RTTINCIEN      (0x1 << 17) // (RTTC) Real Time Timer Increment Interrupt Enable
#define AT91C_SYSC_RTTRST         (0x1 << 18) // (RTTC) Real Time Timer Restart
// -------- SYSC_RTAR : (RTTC Offset: 0x4) Real-time Alarm Register -------- 
#define AT91C_SYSC_ALMV           (0x0 <<  0) // (RTTC) Alarm Value
// -------- SYSC_RTVR : (RTTC Offset: 0x8) Current Real-time Value Register -------- 
#define AT91C_SYSC_CRTV           (0x0 <<  0) // (RTTC) Current Real-time Value
// -------- SYSC_RTSR : (RTTC Offset: 0xc) Real-time Status Register -------- 
#define AT91C_SYSC_ALMS           (0x1 <<  0) // (RTTC) Real-time Alarm Status
#define AT91C_SYSC_RTTINC         (0x1 <<  1) // (RTTC) Real-time Timer Increment

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR Periodic Interval Timer Controller Interface
// *****************************************************************************
// *** Register offset in AT91S_PITC structure ***
#define PITC_PIMR       ( 0) // Period Interval Mode Register
#define PITC_PISR       ( 4) // Period Interval Status Register
#define PITC_PIVR       ( 8) // Period Interval Value Register
#define PITC_PIIR       (12) // Period Interval Image Register
// -------- SYSC_PIMR : (PITC Offset: 0x0) Periodic Interval Mode Register -------- 
#define AT91C_SYSC_PIV            (0xFFFFF <<  0) // (PITC) Periodic Interval Value
#define AT91C_SYSC_PITEN          (0x1 << 24) // (PITC) Periodic Interval Timer Enabled
#define AT91C_SYSC_PITIEN         (0x1 << 25) // (PITC) Periodic Interval Timer Interrupt Enable
// -------- SYSC_PISR : (PITC Offset: 0x4) Periodic Interval Status Register -------- 
#define AT91C_SYSC_PITS           (0x1 <<  0) // (PITC) Periodic Interval Timer Status
// -------- SYSC_PIVR : (PITC Offset: 0x8) Periodic Interval Value Register -------- 
#define AT91C_SYSC_CPIV           (0xFFFFF <<  0) // (PITC) Current Periodic Interval Value
#define AT91C_SYSC_PICNT          (0xFFF << 20) // (PITC) Periodic Interval Counter
// -------- SYSC_PIIR : (PITC Offset: 0xc) Periodic Interval Image Register -------- 

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR Watchdog Timer Controller Interface
// *****************************************************************************
// *** Register offset in AT91S_WDTC structure ***
#define WDTC_WDCR       ( 0) // Watchdog Control Register
#define WDTC_WDMR       ( 4) // Watchdog Mode Register
#define WDTC_WDSR       ( 8) // Watchdog Status Register
// -------- SYSC_WDCR : (WDTC Offset: 0x0) Periodic Interval Image Register -------- 
#define AT91C_SYSC_WDRSTT         (0x1 <<  0) // (WDTC) Watchdog Restart
// -------- SYSC_WDMR : (WDTC Offset: 0x4) Watchdog Mode Register -------- 
#define AT91C_SYSC_WDV            (0xFFF <<  0) // (WDTC) Watchdog Timer Restart
#define AT91C_SYSC_WDFIEN         (0x1 << 12) // (WDTC) Watchdog Fault Interrupt Enable
#define AT91C_SYSC_WDRSTEN        (0x1 << 13) // (WDTC) Watchdog Reset Enable
#define AT91C_SYSC_WDRPROC        (0x1 << 14) // (WDTC) Watchdog Timer Restart
#define AT91C_SYSC_WDDIS          (0x1 << 15) // (WDTC) Watchdog Disable
#define AT91C_SYSC_WDD            (0xFFF << 16) // (WDTC) Watchdog Delta Value
#define AT91C_SYSC_WDDBGHLT       (0x1 << 28) // (WDTC) Watchdog Debug Halt
#define AT91C_SYSC_WDIDLEHLT      (0x1 << 29) // (WDTC) Watchdog Idle Halt
// -------- SYSC_WDSR : (WDTC Offset: 0x8) Watchdog Status Register -------- 
#define AT91C_SYSC_WDUNF          (0x1 <<  0) // (WDTC) Watchdog Underflow
#define AT91C_SYSC_WDERR          (0x1 <<  1) // (WDTC) Watchdog Error

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR Memory Controller Interface
// *****************************************************************************
// *** Register offset in AT91S_MC structure ***
#define MC_RCR          ( 0) // MC Remap Control Register
#define MC_ASR          ( 4) // MC Abort Status Register
#define MC_AASR         ( 8) // MC Abort Address Status Register
#define MC_FMR          (96) // MC Flash Mode Register
#define MC_FCR          (100) // MC Flash Command Register
#define MC_FSR          (104) // MC Flash Status Register
// -------- MC_RCR : (MC Offset: 0x0) MC Remap Control Register -------- 
#define AT91C_MC_RCB              (0x1 <<  0) // (MC) Remap Command Bit
// -------- MC_ASR : (MC Offset: 0x4) MC Abort Status Register -------- 
#define AT91C_MC_UNDADD           (0x1 <<  0) // (MC) Undefined Addess Abort Status
#define AT91C_MC_MISADD           (0x1 <<  1) // (MC) Misaligned Addess Abort Status
#define AT91C_MC_ABTSZ            (0x3 <<  8) // (MC) Abort Size Status
#define 	AT91C_MC_ABTSZ_BYTE                 (0x0 <<  8) // (MC) Byte
#define 	AT91C_MC_ABTSZ_HWORD                (0x1 <<  8) // (MC) Half-word
#define 	AT91C_MC_ABTSZ_WORD                 (0x2 <<  8) // (MC) Word
#define AT91C_MC_ABTTYP           (0x3 << 10) // (MC) Abort Type Status
#define 	AT91C_MC_ABTTYP_DATAR                (0x0 << 10) // (MC) Data Read
#define 	AT91C_MC_ABTTYP_DATAW                (0x1 << 10) // (MC) Data Write
#define 	AT91C_MC_ABTTYP_FETCH                (0x2 << 10) // (MC) Code Fetch
#define AT91C_MC_MST0             (0x1 << 16) // (MC) Master 0 Abort Source
#define AT91C_MC_MST1             (0x1 << 17) // (MC) Master 1 Abort Source
#define AT91C_MC_SVMST0           (0x1 << 24) // (MC) Saved Master 0 Abort Source
#define AT91C_MC_SVMST1           (0x1 << 25) // (MC) Saved Master 1 Abort Source
// -------- MC_FMR : (MC Offset: 0x60) MC Flash Mode Register -------- 
#define AT91C_MC_FRDY             (0x1 <<  0) // (MC) Flash Ready
#define AT91C_MC_LOCKE            (0x1 <<  2) // (MC) Lock Error
#define AT91C_MC_PROGE            (0x1 <<  3) // (MC) Programming Error
#define AT91C_MC_NEBP             (0x1 <<  7) // (MC) No Erase Before Programming
#define AT91C_MC_FWS              (0x3 <<  8) // (MC) Flash Wait State
#define 	AT91C_MC_FWS_0FWS                 (0x0 <<  8) // (MC) 1 cycle for Read, 2 for Write operations
#define 	AT91C_MC_FWS_1FWS                 (0x1 <<  8) // (MC) 2 cycles for Read, 3 for Write operations
#define 	AT91C_MC_FWS_2FWS                 (0x2 <<  8) // (MC) 3 cycles for Read, 4 for Write operations
#define 	AT91C_MC_FWS_3FWS                 (0x3 <<  8) // (MC) 4 cycles for Read, 4 for Write operations
#define AT91C_MC_FMCN             (0xFF << 16) // (MC) Flash Microsecond Cycle Number
// -------- MC_FCR : (MC Offset: 0x64) MC Flash Command Register -------- 
#define AT91C_MC_FCMD             (0xF <<  0) // (MC) Flash Command
#define 	AT91C_MC_FCMD_START_PROG           (0x1) // (MC) Starts the programming of th epage specified by PAGEN.
#define 	AT91C_MC_FCMD_LOCK                 (0x2) // (MC) Starts a lock sequence of the sector defined by the bits 4 to 7 of the field PAGEN.
#define 	AT91C_MC_FCMD_PROG_AND_LOCK        (0x3) // (MC) The lock sequence automatically happens after the programming sequence is completed.
#define 	AT91C_MC_FCMD_UNLOCK               (0x4) // (MC) Starts an unlock sequence of the sector defined by the bits 4 to 7 of the field PAGEN.
#define 	AT91C_MC_FCMD_ERASE_ALL            (0x8) // (MC) Starts the erase of the entire flash.If at least a page is locked, the command is cancelled.
#define 	AT91C_MC_FCMD_SET_GP_NVM           (0xB) // (MC) Set General Purpose NVM bits.
#define 	AT91C_MC_FCMD_CLR_GP_NVM           (0xD) // (MC) Clear General Purpose NVM bits.
#define 	AT91C_MC_FCMD_SET_SECURITY         (0xF) // (MC) Set Security Bit.
#define AT91C_MC_PAGEN            (0x3FF <<  8) // (MC) Page Number
#define AT91C_MC_KEY              (0xFF << 24) // (MC) Writing Protect Key
// -------- MC_FSR : (MC Offset: 0x68) MC Flash Command Register -------- 
#define AT91C_MC_SECURITY         (0x1 <<  4) // (MC) Security Bit Status
#define AT91C_MC_GPNVM0           (0x1 <<  8) // (MC) Sector 0 Lock Status
#define AT91C_MC_GPNVM1           (0x1 <<  9) // (MC) Sector 1 Lock Status
#define AT91C_MC_GPNVM2           (0x1 << 10) // (MC) Sector 2 Lock Status
#define AT91C_MC_GPNVM3           (0x1 << 11) // (MC) Sector 3 Lock Status
#define AT91C_MC_GPNVM4           (0x1 << 12) // (MC) Sector 4 Lock Status
#define AT91C_MC_GPNVM5           (0x1 << 13) // (MC) Sector 5 Lock Status
#define AT91C_MC_GPNVM6           (0x1 << 14) // (MC) Sector 6 Lock Status
#define AT91C_MC_GPNVM7           (0x1 << 15) // (MC) Sector 7 Lock Status
#define AT91C_MC_LOCKS0           (0x1 << 16) // (MC) Sector 0 Lock Status
#define AT91C_MC_LOCKS1           (0x1 << 17) // (MC) Sector 1 Lock Status
#define AT91C_MC_LOCKS2           (0x1 << 18) // (MC) Sector 2 Lock Status
#define AT91C_MC_LOCKS3           (0x1 << 19) // (MC) Sector 3 Lock Status
#define AT91C_MC_LOCKS4           (0x1 << 20) // (MC) Sector 4 Lock Status
#define AT91C_MC_LOCKS5           (0x1 << 21) // (MC) Sector 5 Lock Status
#define AT91C_MC_LOCKS6           (0x1 << 22) // (MC) Sector 6 Lock Status
#define AT91C_MC_LOCKS7           (0x1 << 23) // (MC) Sector 7 Lock Status
#define AT91C_MC_LOCKS8           (0x1 << 24) // (MC) Sector 8 Lock Status
#define AT91C_MC_LOCKS9           (0x1 << 25) // (MC) Sector 9 Lock Status
#define AT91C_MC_LOCKS10          (0x1 << 26) // (MC) Sector 10 Lock Status
#define AT91C_MC_LOCKS11          (0x1 << 27) // (MC) Sector 11 Lock Status
#define AT91C_MC_LOCKS12          (0x1 << 28) // (MC) Sector 12 Lock Status
#define AT91C_MC_LOCKS13          (0x1 << 29) // (MC) Sector 13 Lock Status
#define AT91C_MC_LOCKS14          (0x1 << 30) // (MC) Sector 14 Lock Status
#define AT91C_MC_LOCKS15          (0x1 << 31) // (MC) Sector 15 Lock Status

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR Serial Parallel Interface
// *****************************************************************************
// *** Register offset in AT91S_SPI structure ***
#define SPI_CR          ( 0) // Control Register
#define SPI_MR          ( 4) // Mode Register
#define SPI_RDR         ( 8) // Receive Data Register
#define SPI_TDR         (12) // Transmit Data Register
#define SPI_SR          (16) // Status Register
#define SPI_IER         (20) // Interrupt Enable Register
#define SPI_IDR         (24) // Interrupt Disable Register
#define SPI_IMR         (28) // Interrupt Mask Register
#define SPI_CSR         (48) // Chip Select Register
#define SPI_RPR         (256) // Receive Pointer Register
#define SPI_RCR         (260) // Receive Counter Register
#define SPI_TPR         (264) // Transmit Pointer Register
#define SPI_TCR         (268) // Transmit Counter Register
#define SPI_RNPR        (272) // Receive Next Pointer Register
#define SPI_RNCR        (276) // Receive Next Counter Register
#define SPI_TNPR        (280) // Transmit Next Pointer Register
#define SPI_TNCR        (284) // Transmit Next Counter Register
#define SPI_PTCR        (288) // PDC Transfer Control Register
#define SPI_PTSR        (292) // PDC Transfer Status Register
// -------- SPI_CR : (SPI Offset: 0x0) SPI Control Register -------- 
#define AT91C_SPI_SPIEN           (0x1 <<  0) // (SPI) SPI Enable
#define AT91C_SPI_SPIDIS          (0x1 <<  1) // (SPI) SPI Disable
#define AT91C_SPI_SWRST           (0x1 <<  7) // (SPI) SPI Software reset
#define AT91C_SPI_LASTXFER        (0x1 << 24) // (SPI) SPI Last Transfer
// -------- SPI_MR : (SPI Offset: 0x4) SPI Mode Register -------- 
#define AT91C_SPI_MSTR            (0x1 <<  0) // (SPI) Master/Slave Mode
#define AT91C_SPI_PS              (0x1 <<  1) // (SPI) Peripheral Select
#define 	AT91C_SPI_PS_FIXED                (0x0 <<  1) // (SPI) Fixed Peripheral Select
#define 	AT91C_SPI_PS_VARIABLE             (0x1 <<  1) // (SPI) Variable Peripheral Select
#define AT91C_SPI_PCSDEC          (0x1 <<  2) // (SPI) Chip Select Decode
#define AT91C_SPI_FDIV            (0x1 <<  3) // (SPI) Clock Selection
#define AT91C_SPI_MODFDIS         (0x1 <<  4) // (SPI) Mode Fault Detection
#define AT91C_SPI_LLB             (0x1 <<  7) // (SPI) Clock Selection
#define AT91C_SPI_PCS             (0xF << 16) // (SPI) Peripheral Chip Select
#define AT91C_SPI_DLYBCS          (0xFF << 24) // (SPI) Delay Between Chip Selects
// -------- SPI_RDR : (SPI Offset: 0x8) Receive Data Register -------- 
#define AT91C_SPI_RD              (0xFFFF <<  0) // (SPI) Receive Data
#define AT91C_SPI_RPCS            (0xF << 16) // (SPI) Peripheral Chip Select Status
// -------- SPI_TDR : (SPI Offset: 0xc) Transmit Data Register -------- 
#define AT91C_SPI_TD              (0xFFFF <<  0) // (SPI) Transmit Data
#define AT91C_SPI_TPCS            (0xF << 16) // (SPI) Peripheral Chip Select Status
// -------- SPI_SR : (SPI Offset: 0x10) Status Register -------- 
#define AT91C_SPI_RDRF            (0x1 <<  0) // (SPI) Receive Data Register Full
#define AT91C_SPI_TDRE            (0x1 <<  1) // (SPI) Transmit Data Register Empty
#define AT91C_SPI_MODF            (0x1 <<  2) // (SPI) Mode Fault Error
#define AT91C_SPI_OVRES           (0x1 <<  3) // (SPI) Overrun Error Status
#define AT91C_SPI_ENDRX           (0x1 <<  4) // (SPI) End of Receiver Transfer
#define AT91C_SPI_ENDTX           (0x1 <<  5) // (SPI) End of Receiver Transfer
#define AT91C_SPI_RXBUFF          (0x1 <<  6) // (SPI) RXBUFF Interrupt
#define AT91C_SPI_TXBUFE          (0x1 <<  7) // (SPI) TXBUFE Interrupt
#define AT91C_SPI_NSSR            (0x1 <<  8) // (SPI) NSSR Interrupt
#define AT91C_SPI_TXEMPTY         (0x1 <<  9) // (SPI) TXEMPTY Interrupt
#define AT91C_SPI_SPIENS          (0x1 << 16) // (SPI) Enable Status
// -------- SPI_IER : (SPI Offset: 0x14) Interrupt Enable Register -------- 
// -------- SPI_IDR : (SPI Offset: 0x18) Interrupt Disable Register -------- 
// -------- SPI_IMR : (SPI Offset: 0x1c) Interrupt Mask Register -------- 
// -------- SPI_CSR : (SPI Offset: 0x30) Chip Select Register -------- 
#define AT91C_SPI_CPOL            (0x1 <<  0) // (SPI) Clock Polarity
#define AT91C_SPI_NCPHA           (0x1 <<  1) // (SPI) Clock Phase
#define AT91C_SPI_CSAAT           (0x1 <<  2) // (SPI) Chip Select Active After Transfer
#define AT91C_SPI_BITS            (0xF <<  4) // (SPI) Bits Per Transfer
#define 	AT91C_SPI_BITS_8                    (0x0 <<  4) // (SPI) 8 Bits Per transfer
#define 	AT91C_SPI_BITS_9                    (0x1 <<  4) // (SPI) 9 Bits Per transfer
#define 	AT91C_SPI_BITS_10                   (0x2 <<  4) // (SPI) 10 Bits Per transfer
#define 	AT91C_SPI_BITS_11                   (0x3 <<  4) // (SPI) 11 Bits Per transfer
#define 	AT91C_SPI_BITS_12                   (0x4 <<  4) // (SPI) 12 Bits Per transfer
#define 	AT91C_SPI_BITS_13                   (0x5 <<  4) // (SPI) 13 Bits Per transfer
#define 	AT91C_SPI_BITS_14                   (0x6 <<  4) // (SPI) 14 Bits Per transfer
#define 	AT91C_SPI_BITS_15                   (0x7 <<  4) // (SPI) 15 Bits Per transfer
#define 	AT91C_SPI_BITS_16                   (0x8 <<  4) // (SPI) 16 Bits Per transfer
#define AT91C_SPI_SCBR            (0xFF <<  8) // (SPI) Serial Clock Baud Rate
#define AT91C_SPI_DLYBS           (0xFF << 16) // (SPI) Serial Clock Baud Rate
#define AT91C_SPI_DLYBCT          (0xFF << 24) // (SPI) Delay Between Consecutive Transfers

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR Analog to Digital Convertor
// *****************************************************************************
// *** Register offset in AT91S_ADC structure ***
#define ADC_CR          ( 0) // ADC Control Register
#define ADC_MR          ( 4) // ADC Mode Register
#define ADC_CHER        (16) // ADC Channel Enable Register
#define ADC_CHDR        (20) // ADC Channel Disable Register
#define ADC_CHSR        (24) // ADC Channel Status Register
#define ADC_SR          (28) // ADC Status Register
#define ADC_LCDR        (32) // ADC Last Converted Data Register
#define ADC_IER         (36) // ADC Interrupt Enable Register
#define ADC_IDR         (40) // ADC Interrupt Disable Register
#define ADC_IMR         (44) // ADC Interrupt Mask Register
#define ADC_CDR0        (48) // ADC Channel Data Register 0
#define ADC_CDR1        (52) // ADC Channel Data Register 1
#define ADC_CDR2        (56) // ADC Channel Data Register 2
#define ADC_CDR3        (60) // ADC Channel Data Register 3
#define ADC_CDR4        (64) // ADC Channel Data Register 4
#define ADC_CDR5        (68) // ADC Channel Data Register 5
#define ADC_CDR6        (72) // ADC Channel Data Register 6
#define ADC_CDR7        (76) // ADC Channel Data Register 7
#define ADC_RPR         (256) // Receive Pointer Register
#define ADC_RCR         (260) // Receive Counter Register
#define ADC_TPR         (264) // Transmit Pointer Register
#define ADC_TCR         (268) // Transmit Counter Register
#define ADC_RNPR        (272) // Receive Next Pointer Register
#define ADC_RNCR        (276) // Receive Next Counter Register
#define ADC_TNPR        (280) // Transmit Next Pointer Register
#define ADC_TNCR        (284) // Transmit Next Counter Register
#define ADC_PTCR        (288) // PDC Transfer Control Register
#define ADC_PTSR        (292) // PDC Transfer Status Register
// -------- ADC_CR : (ADC Offset: 0x0) ADC Control Register -------- 
#define AT91C_ADC_SWRST           (0x1 <<  0) // (ADC) Software Reset
#define AT91C_ADC_START           (0x1 <<  1) // (ADC) Start Conversion
// -------- ADC_MR : (ADC Offset: 0x4) ADC Mode Register -------- 
#define AT91C_ADC_TRGEN           (0x1 <<  0) // (ADC) Trigger Enable
#define 	AT91C_ADC_TRGEN_DIS                  (0x0) // (ADC) Hradware triggers are disabled. Starting a conversion is only possible by software
#define 	AT91C_ADC_TRGEN_EN                   (0x1) // (ADC) Hardware trigger selected by TRGSEL field is enabled.
#define AT91C_ADC_TRGSEL          (0x7 <<  1) // (ADC) Trigger Selection
#define 	AT91C_ADC_TRGSEL_TIOA0                (0x0 <<  1) // (ADC) Selected TRGSEL = TIAO0
#define 	AT91C_ADC_TRGSEL_TIOA1                (0x1 <<  1) // (ADC) Selected TRGSEL = TIAO1
#define 	AT91C_ADC_TRGSEL_TIOA2                (0x2 <<  1) // (ADC) Selected TRGSEL = TIAO2
#define 	AT91C_ADC_TRGSEL_TIOA3                (0x3 <<  1) // (ADC) Selected TRGSEL = TIAO3
#define 	AT91C_ADC_TRGSEL_TIOA4                (0x4 <<  1) // (ADC) Selected TRGSEL = TIAO4
#define 	AT91C_ADC_TRGSEL_TIOA5                (0x5 <<  1) // (ADC) Selected TRGSEL = TIAO5
#define 	AT91C_ADC_TRGSEL_EXT                  (0x6 <<  1) // (ADC) Selected TRGSEL = External Trigger
#define AT91C_ADC_LOWRES          (0x1 <<  4) // (ADC) Resolution.
#define 	AT91C_ADC_LOWRES_10_BIT               (0x0 <<  4) // (ADC) 10-bit resolution
#define 	AT91C_ADC_LOWRES_8_BIT                (0x1 <<  4) // (ADC) 8-bit resolution
#define AT91C_ADC_SLEEP           (0x1 <<  5) // (ADC) Sleep Mode
#define 	AT91C_ADC_SLEEP_NORMAL_MODE          (0x0 <<  5) // (ADC) Normal Mode
#define 	AT91C_ADC_SLEEP_MODE                 (0x1 <<  5) // (ADC) Sleep Mode
#define AT91C_ADC_PRESCAL         (0x3F <<  8) // (ADC) Prescaler rate selection
#define AT91C_ADC_STARTUP         (0x1F << 16) // (ADC) Startup Time
#define AT91C_ADC_SHTIM           (0xF << 24) // (ADC) Sample & Hold Time
// -------- 	ADC_CHER : (ADC Offset: 0x10) ADC Channel Enable Register -------- 
#define AT91C_ADC_CH0             (0x1 <<  0) // (ADC) Channel 0
#define AT91C_ADC_CH1             (0x1 <<  1) // (ADC) Channel 1
#define AT91C_ADC_CH2             (0x1 <<  2) // (ADC) Channel 2
#define AT91C_ADC_CH3             (0x1 <<  3) // (ADC) Channel 3
#define AT91C_ADC_CH4             (0x1 <<  4) // (ADC) Channel 4
#define AT91C_ADC_CH5             (0x1 <<  5) // (ADC) Channel 5
#define AT91C_ADC_CH6             (0x1 <<  6) // (ADC) Channel 6
#define AT91C_ADC_CH7             (0x1 <<  7) // (ADC) Channel 7
// -------- 	ADC_CHDR : (ADC Offset: 0x14) ADC Channel Disable Register -------- 
// -------- 	ADC_CHSR : (ADC Offset: 0x18) ADC Channel Status Register -------- 
// -------- ADC_SR : (ADC Offset: 0x1c) ADC Status Register -------- 
#define AT91C_ADC_EOC0            (0x1 <<  0) // (ADC) End of Conversion
#define AT91C_ADC_EOC1            (0x1 <<  1) // (ADC) End of Conversion
#define AT91C_ADC_EOC2            (0x1 <<  2) // (ADC) End of Conversion
#define AT91C_ADC_EOC3            (0x1 <<  3) // (ADC) End of Conversion
#define AT91C_ADC_EOC4            (0x1 <<  4) // (ADC) End of Conversion
#define AT91C_ADC_EOC5            (0x1 <<  5) // (ADC) End of Conversion
#define AT91C_ADC_EOC6            (0x1 <<  6) // (ADC) End of Conversion
#define AT91C_ADC_EOC7            (0x1 <<  7) // (ADC) End of Conversion
#define AT91C_ADC_OVRE0           (0x1 <<  8) // (ADC) Overrun Error
#define AT91C_ADC_OVRE1           (0x1 <<  9) // (ADC) Overrun Error
#define AT91C_ADC_OVRE2           (0x1 << 10) // (ADC) Overrun Error
#define AT91C_ADC_OVRE3           (0x1 << 11) // (ADC) Overrun Error
#define AT91C_ADC_OVRE4           (0x1 << 12) // (ADC) Overrun Error
#define AT91C_ADC_OVRE5           (0x1 << 13) // (ADC) Overrun Error
#define AT91C_ADC_OVRE6           (0x1 << 14) // (ADC) Overrun Error
#define AT91C_ADC_OVRE7           (0x1 << 15) // (ADC) Overrun Error
#define AT91C_ADC_DRDY            (0x1 << 16) // (ADC) Data Ready
#define AT91C_ADC_GOVRE           (0x1 << 17) // (ADC) General Overrun
#define AT91C_ADC_ENDRX           (0x1 << 18) // (ADC) End of Receiver Transfer
#define AT91C_ADC_RXBUFF          (0x1 << 19) // (ADC) RXBUFF Interrupt
// -------- ADC_LCDR : (ADC Offset: 0x20) ADC Last Converted Data Register -------- 
#define AT91C_ADC_LDATA           (0x3FF <<  0) // (ADC) Last Data Converted
// -------- ADC_IER : (ADC Offset: 0x24) ADC Interrupt Enable Register -------- 
// -------- ADC_IDR : (ADC Offset: 0x28) ADC Interrupt Disable Register -------- 
// -------- ADC_IMR : (ADC Offset: 0x2c) ADC Interrupt Mask Register -------- 
// -------- ADC_CDR0 : (ADC Offset: 0x30) ADC Channel Data Register 0 -------- 
#define AT91C_ADC_DATA            (0x3FF <<  0) // (ADC) Converted Data
// -------- ADC_CDR1 : (ADC Offset: 0x34) ADC Channel Data Register 1 -------- 
// -------- ADC_CDR2 : (ADC Offset: 0x38) ADC Channel Data Register 2 -------- 
// -------- ADC_CDR3 : (ADC Offset: 0x3c) ADC Channel Data Register 3 -------- 
// -------- ADC_CDR4 : (ADC Offset: 0x40) ADC Channel Data Register 4 -------- 
// -------- ADC_CDR5 : (ADC Offset: 0x44) ADC Channel Data Register 5 -------- 
// -------- ADC_CDR6 : (ADC Offset: 0x48) ADC Channel Data Register 6 -------- 
// -------- ADC_CDR7 : (ADC Offset: 0x4c) ADC Channel Data Register 7 -------- 

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR Synchronous Serial Controller Interface
// *****************************************************************************
// *** Register offset in AT91S_SSC structure ***
#define SSC_CR          ( 0) // Control Register
#define SSC_CMR         ( 4) // Clock Mode Register
#define SSC_RCMR        (16) // Receive Clock ModeRegister
#define SSC_RFMR        (20) // Receive Frame Mode Register
#define SSC_TCMR        (24) // Transmit Clock Mode Register
#define SSC_TFMR        (28) // Transmit Frame Mode Register
#define SSC_RHR         (32) // Receive Holding Register
#define SSC_THR         (36) // Transmit Holding Register
#define SSC_RSHR        (48) // Receive Sync Holding Register
#define SSC_TSHR        (52) // Transmit Sync Holding Register
#define SSC_RC0R        (56) // Receive Compare 0 Register
#define SSC_RC1R        (60) // Receive Compare 1 Register
#define SSC_SR          (64) // Status Register
#define SSC_IER         (68) // Interrupt Enable Register
#define SSC_IDR         (72) // Interrupt Disable Register
#define SSC_IMR         (76) // Interrupt Mask Register
#define SSC_RPR         (256) // Receive Pointer Register
#define SSC_RCR         (260) // Receive Counter Register
#define SSC_TPR         (264) // Transmit Pointer Register
#define SSC_TCR         (268) // Transmit Counter Register
#define SSC_RNPR        (272) // Receive Next Pointer Register
#define SSC_RNCR        (276) // Receive Next Counter Register
#define SSC_TNPR        (280) // Transmit Next Pointer Register
#define SSC_TNCR        (284) // Transmit Next Counter Register
#define SSC_PTCR        (288) // PDC Transfer Control Register
#define SSC_PTSR        (292) // PDC Transfer Status Register
// -------- SSC_CR : (SSC Offset: 0x0) SSC Control Register -------- 
#define AT91C_SSC_RXEN            (0x1 <<  0) // (SSC) Receive Enable
#define AT91C_SSC_RXDIS           (0x1 <<  1) // (SSC) Receive Disable
#define AT91C_SSC_TXEN            (0x1 <<  8) // (SSC) Transmit Enable
#define AT91C_SSC_TXDIS           (0x1 <<  9) // (SSC) Transmit Disable
#define AT91C_SSC_SWRST           (0x1 << 15) // (SSC) Software Reset
// -------- SSC_RCMR : (SSC Offset: 0x10) SSC Receive Clock Mode Register -------- 
#define AT91C_SSC_CKS             (0x3 <<  0) // (SSC) Receive/Transmit Clock Selection
#define 	AT91C_SSC_CKS_DIV                  (0x0) // (SSC) Divided Clock
#define 	AT91C_SSC_CKS_TK                   (0x1) // (SSC) TK Clock signal
#define 	AT91C_SSC_CKS_RK                   (0x2) // (SSC) RK pin
#define AT91C_SSC_CKO             (0x7 <<  2) // (SSC) Receive/Transmit Clock Output Mode Selection
#define 	AT91C_SSC_CKO_NONE                 (0x0 <<  2) // (SSC) Receive/Transmit Clock Output Mode: None RK pin: Input-only
#define 	AT91C_SSC_CKO_CONTINOUS            (0x1 <<  2) // (SSC) Continuous Receive/Transmit Clock RK pin: Output
#define 	AT91C_SSC_CKO_DATA_TX              (0x2 <<  2) // (SSC) Receive/Transmit Clock only during data transfers RK pin: Output
#define AT91C_SSC_CKI             (0x1 <<  5) // (SSC) Receive/Transmit Clock Inversion
#define AT91C_SSC_CKG             (0x3 <<  6) // (SSC) Receive/Transmit Clock Gating Selection
#define 	AT91C_SSC_CKG_NONE                 (0x0 <<  6) // (SSC) Receive/Transmit Clock Gating: None, continuous clock
#define 	AT91C_SSC_CKG_LOW                  (0x1 <<  6) // (SSC) Receive/Transmit Clock enabled only if RF Low
#define 	AT91C_SSC_CKG_HIGH                 (0x2 <<  6) // (SSC) Receive/Transmit Clock enabled only if RF High
#define AT91C_SSC_START           (0xF <<  8) // (SSC) Receive/Transmit Start Selection
#define 	AT91C_SSC_START_CONTINOUS            (0x0 <<  8) // (SSC) Continuous, as soon as the receiver is enabled, and immediately after the end of transfer of the previous data.
#define 	AT91C_SSC_START_TX                   (0x1 <<  8) // (SSC) Transmit/Receive start
#define 	AT91C_SSC_START_LOW_RF               (0x2 <<  8) // (SSC) Detection of a low level on RF input
#define 	AT91C_SSC_START_HIGH_RF              (0x3 <<  8) // (SSC) Detection of a high level on RF input
#define 	AT91C_SSC_START_FALL_RF              (0x4 <<  8) // (SSC) Detection of a falling edge on RF input
#define 	AT91C_SSC_START_RISE_RF              (0x5 <<  8) // (SSC) Detection of a rising edge on RF input
#define 	AT91C_SSC_START_LEVEL_RF             (0x6 <<  8) // (SSC) Detection of any level change on RF input
#define 	AT91C_SSC_START_EDGE_RF              (0x7 <<  8) // (SSC) Detection of any edge on RF input
#define 	AT91C_SSC_START_0                    (0x8 <<  8) // (SSC) Compare 0
#define AT91C_SSC_STOP            (0x1 << 12) // (SSC) Receive Stop Selection
#define AT91C_SSC_STTOUT          (0x1 << 15) // (SSC) Receive/Transmit Start Output Selection
#define AT91C_SSC_STTDLY          (0xFF << 16) // (SSC) Receive/Transmit Start Delay
#define AT91C_SSC_PERIOD          (0xFF << 24) // (SSC) Receive/Transmit Period Divider Selection
// -------- SSC_RFMR : (SSC Offset: 0x14) SSC Receive Frame Mode Register -------- 
#define AT91C_SSC_DATLEN          (0x1F <<  0) // (SSC) Data Length
#define AT91C_SSC_LOOP            (0x1 <<  5) // (SSC) Loop Mode
#define AT91C_SSC_MSBF            (0x1 <<  7) // (SSC) Most Significant Bit First
#define AT91C_SSC_DATNB           (0xF <<  8) // (SSC) Data Number per Frame
#define AT91C_SSC_FSLEN           (0xF << 16) // (SSC) Receive/Transmit Frame Sync length
#define AT91C_SSC_FSOS            (0x7 << 20) // (SSC) Receive/Transmit Frame Sync Output Selection
#define 	AT91C_SSC_FSOS_NONE                 (0x0 << 20) // (SSC) Selected Receive/Transmit Frame Sync Signal: None RK pin Input-only
#define 	AT91C_SSC_FSOS_NEGATIVE             (0x1 << 20) // (SSC) Selected Receive/Transmit Frame Sync Signal: Negative Pulse
#define 	AT91C_SSC_FSOS_POSITIVE             (0x2 << 20) // (SSC) Selected Receive/Transmit Frame Sync Signal: Positive Pulse
#define 	AT91C_SSC_FSOS_LOW                  (0x3 << 20) // (SSC) Selected Receive/Transmit Frame Sync Signal: Driver Low during data transfer
#define 	AT91C_SSC_FSOS_HIGH                 (0x4 << 20) // (SSC) Selected Receive/Transmit Frame Sync Signal: Driver High during data transfer
#define 	AT91C_SSC_FSOS_TOGGLE               (0x5 << 20) // (SSC) Selected Receive/Transmit Frame Sync Signal: Toggling at each start of data transfer
#define AT91C_SSC_FSEDGE          (0x1 << 24) // (SSC) Frame Sync Edge Detection
// -------- SSC_TCMR : (SSC Offset: 0x18) SSC Transmit Clock Mode Register -------- 
// -------- SSC_TFMR : (SSC Offset: 0x1c) SSC Transmit Frame Mode Register -------- 
#define AT91C_SSC_DATDEF          (0x1 <<  5) // (SSC) Data Default Value
#define AT91C_SSC_FSDEN           (0x1 << 23) // (SSC) Frame Sync Data Enable
// -------- SSC_SR : (SSC Offset: 0x40) SSC Status Register -------- 
#define AT91C_SSC_TXRDY           (0x1 <<  0) // (SSC) Transmit Ready
#define AT91C_SSC_TXEMPTY         (0x1 <<  1) // (SSC) Transmit Empty
#define AT91C_SSC_ENDTX           (0x1 <<  2) // (SSC) End Of Transmission
#define AT91C_SSC_TXBUFE          (0x1 <<  3) // (SSC) Transmit Buffer Empty
#define AT91C_SSC_RXRDY           (0x1 <<  4) // (SSC) Receive Ready
#define AT91C_SSC_OVRUN           (0x1 <<  5) // (SSC) Receive Overrun
#define AT91C_SSC_ENDRX           (0x1 <<  6) // (SSC) End of Reception
#define AT91C_SSC_RXBUFF          (0x1 <<  7) // (SSC) Receive Buffer Full
#define AT91C_SSC_CP0             (0x1 <<  8) // (SSC) Compare 0
#define AT91C_SSC_CP1             (0x1 <<  9) // (SSC) Compare 1
#define AT91C_SSC_TXSYN           (0x1 << 10) // (SSC) Transmit Sync
#define AT91C_SSC_RXSYN           (0x1 << 11) // (SSC) Receive Sync
#define AT91C_SSC_TXENA           (0x1 << 16) // (SSC) Transmit Enable
#define AT91C_SSC_RXENA           (0x1 << 17) // (SSC) Receive Enable
// -------- SSC_IER : (SSC Offset: 0x44) SSC Interrupt Enable Register -------- 
// -------- SSC_IDR : (SSC Offset: 0x48) SSC Interrupt Disable Register -------- 
// -------- SSC_IMR : (SSC Offset: 0x4c) SSC Interrupt Mask Register -------- 

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR Usart
// *****************************************************************************
// *** Register offset in AT91S_USART structure ***
#define US_CR           ( 0) // Control Register
#define US_MR           ( 4) // Mode Register
#define US_IER          ( 8) // Interrupt Enable Register
#define US_IDR          (12) // Interrupt Disable Register
#define US_IMR          (16) // Interrupt Mask Register
#define US_CSR          (20) // Channel Status Register
#define US_RHR          (24) // Receiver Holding Register
#define US_THR          (28) // Transmitter Holding Register
#define US_BRGR         (32) // Baud Rate Generator Register
#define US_RTOR         (36) // Receiver Time-out Register
#define US_TTGR         (40) // Transmitter Time-guard Register
#define US_FIDI         (64) // FI_DI_Ratio Register
#define US_NER          (68) // Nb Errors Register
#define US_XXR          (72) // XON_XOFF Register
#define US_IF           (76) // IRDA_FILTER Register
#define US_RPR          (256) // Receive Pointer Register
#define US_RCR          (260) // Receive Counter Register
#define US_TPR          (264) // Transmit Pointer Register
#define US_TCR          (268) // Transmit Counter Register
#define US_RNPR         (272) // Receive Next Pointer Register
#define US_RNCR         (276) // Receive Next Counter Register
#define US_TNPR         (280) // Transmit Next Pointer Register
#define US_TNCR         (284) // Transmit Next Counter Register
#define US_PTCR         (288) // PDC Transfer Control Register
#define US_PTSR         (292) // PDC Transfer Status Register
// -------- US_CR : (USART Offset: 0x0) Debug Unit Control Register -------- 
#define AT91C_US_RSTSTA           (0x1 <<  8) // (USART) Reset Status Bits
#define AT91C_US_STTBRK           (0x1 <<  9) // (USART) Start Break
#define AT91C_US_STPBRK           (0x1 << 10) // (USART) Stop Break
#define AT91C_US_STTTO            (0x1 << 11) // (USART) Start Time-out
#define AT91C_US_SENDA            (0x1 << 12) // (USART) Send Address
#define AT91C_US_RSTIT            (0x1 << 13) // (USART) Reset Iterations
#define AT91C_US_RSTNACK          (0x1 << 14) // (USART) Reset Non Acknowledge
#define AT91C_US_RETTO            (0x1 << 15) // (USART) Rearm Time-out
#define AT91C_US_DTREN            (0x1 << 16) // (USART) Data Terminal ready Enable
#define AT91C_US_DTRDIS           (0x1 << 17) // (USART) Data Terminal ready Disable
#define AT91C_US_RTSEN            (0x1 << 18) // (USART) Request to Send enable
#define AT91C_US_RTSDIS           (0x1 << 19) // (USART) Request to Send Disable
// -------- US_MR : (USART Offset: 0x4) Debug Unit Mode Register -------- 
#define AT91C_US_USMODE           (0xF <<  0) // (USART) Usart mode
#define 	AT91C_US_USMODE_NORMAL               (0x0) // (USART) Normal
#define 	AT91C_US_USMODE_RS485                (0x1) // (USART) RS485
#define 	AT91C_US_USMODE_HWHSH                (0x2) // (USART) Hardware Handshaking
#define 	AT91C_US_USMODE_MODEM                (0x3) // (USART) Modem
#define 	AT91C_US_USMODE_ISO7816_0            (0x4) // (USART) ISO7816 protocol: T = 0
#define 	AT91C_US_USMODE_ISO7816_1            (0x6) // (USART) ISO7816 protocol: T = 1
#define 	AT91C_US_USMODE_IRDA                 (0x8) // (USART) IrDA
#define 	AT91C_US_USMODE_SWHSH                (0xC) // (USART) Software Handshaking
#define AT91C_US_CLKS             (0x3 <<  4) // (USART) Clock Selection (Baud Rate generator Input Clock
#define 	AT91C_US_CLKS_CLOCK                (0x0 <<  4) // (USART) Clock
#define 	AT91C_US_CLKS_FDIV1                (0x1 <<  4) // (USART) fdiv1
#define 	AT91C_US_CLKS_SLOW                 (0x2 <<  4) // (USART) slow_clock (ARM)
#define 	AT91C_US_CLKS_EXT                  (0x3 <<  4) // (USART) External (SCK)
#define AT91C_US_CHRL             (0x3 <<  6) // (USART) Clock Selection (Baud Rate generator Input Clock
#define 	AT91C_US_CHRL_5_BITS               (0x0 <<  6) // (USART) Character Length: 5 bits
#define 	AT91C_US_CHRL_6_BITS               (0x1 <<  6) // (USART) Character Length: 6 bits
#define 	AT91C_US_CHRL_7_BITS               (0x2 <<  6) // (USART) Character Length: 7 bits
#define 	AT91C_US_CHRL_8_BITS               (0x3 <<  6) // (USART) Character Length: 8 bits
#define AT91C_US_SYNC             (0x1 <<  8) // (USART) Synchronous Mode Select
#define AT91C_US_NBSTOP           (0x3 << 12) // (USART) Number of Stop bits
#define 	AT91C_US_NBSTOP_1_BIT                (0x0 << 12) // (USART) 1 stop bit
#define 	AT91C_US_NBSTOP_15_BIT               (0x1 << 12) // (USART) Asynchronous (SYNC=0) 2 stop bits Synchronous (SYNC=1) 2 stop bits
#define 	AT91C_US_NBSTOP_2_BIT                (0x2 << 12) // (USART) 2 stop bits
#define AT91C_US_MSBF             (0x1 << 16) // (USART) Bit Order
#define AT91C_US_MODE9            (0x1 << 17) // (USART) 9-bit Character length
#define AT91C_US_CKLO             (0x1 << 18) // (USART) Clock Output Select
#define AT91C_US_OVER             (0x1 << 19) // (USART) Over Sampling Mode
#define AT91C_US_INACK            (0x1 << 20) // (USART) Inhibit Non Acknowledge
#define AT91C_US_DSNACK           (0x1 << 21) // (USART) Disable Successive NACK
#define AT91C_US_MAX_ITER         (0x1 << 24) // (USART) Number of Repetitions
#define AT91C_US_FILTER           (0x1 << 28) // (USART) Receive Line Filter
// -------- US_IER : (USART Offset: 0x8) Debug Unit Interrupt Enable Register -------- 
#define AT91C_US_RXBRK            (0x1 <<  2) // (USART) Break Received/End of Break
#define AT91C_US_TIMEOUT          (0x1 <<  8) // (USART) Receiver Time-out
#define AT91C_US_ITERATION        (0x1 << 10) // (USART) Max number of Repetitions Reached
#define AT91C_US_NACK             (0x1 << 13) // (USART) Non Acknowledge
#define AT91C_US_RIIC             (0x1 << 16) // (USART) Ring INdicator Input Change Flag
#define AT91C_US_DSRIC            (0x1 << 17) // (USART) Data Set Ready Input Change Flag
#define AT91C_US_DCDIC            (0x1 << 18) // (USART) Data Carrier Flag
#define AT91C_US_CTSIC            (0x1 << 19) // (USART) Clear To Send Input Change Flag
// -------- US_IDR : (USART Offset: 0xc) Debug Unit Interrupt Disable Register -------- 
// -------- US_IMR : (USART Offset: 0x10) Debug Unit Interrupt Mask Register -------- 
// -------- US_CSR : (USART Offset: 0x14) Debug Unit Channel Status Register -------- 
#define AT91C_US_RI               (0x1 << 20) // (USART) Image of RI Input
#define AT91C_US_DSR              (0x1 << 21) // (USART) Image of DSR Input
#define AT91C_US_DCD              (0x1 << 22) // (USART) Image of DCD Input
#define AT91C_US_CTS              (0x1 << 23) // (USART) Image of CTS Input

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR Two-wire Interface
// *****************************************************************************
// *** Register offset in AT91S_TWI structure ***
#define TWI_CR          ( 0) // Control Register
#define TWI_MMR         ( 4) // Master Mode Register
#define TWI_SMR         ( 8) // Slave Mode Register
#define TWI_IADR        (12) // Internal Address Register
#define TWI_CWGR        (16) // Clock Waveform Generator Register
#define TWI_SR          (32) // Status Register
#define TWI_IER         (36) // Interrupt Enable Register
#define TWI_IDR         (40) // Interrupt Disable Register
#define TWI_IMR         (44) // Interrupt Mask Register
#define TWI_RHR         (48) // Receive Holding Register
#define TWI_THR         (52) // Transmit Holding Register
// -------- TWI_CR : (TWI Offset: 0x0) TWI Control Register -------- 
#define AT91C_TWI_START           (0x1 <<  0) // (TWI) Send a START Condition
#define AT91C_TWI_STOP            (0x1 <<  1) // (TWI) Send a STOP Condition
#define AT91C_TWI_MSEN            (0x1 <<  2) // (TWI) TWI Master Transfer Enabled
#define AT91C_TWI_MSDIS           (0x1 <<  3) // (TWI) TWI Master Transfer Disabled
#define AT91C_TWI_SVEN            (0x1 <<  4) // (TWI) TWI Slave Transfer Enabled
#define AT91C_TWI_SVDIS           (0x1 <<  5) // (TWI) TWI Slave Transfer Disabled
#define AT91C_TWI_SWRST           (0x1 <<  7) // (TWI) Software Reset
// -------- TWI_MMR : (TWI Offset: 0x4) TWI Master Mode Register -------- 
#define AT91C_TWI_IADRSZ          (0x3 <<  8) // (TWI) Internal Device Address Size
#define 	AT91C_TWI_IADRSZ_NO                   (0x0 <<  8) // (TWI) No internal device address
#define 	AT91C_TWI_IADRSZ_1_BYTE               (0x1 <<  8) // (TWI) One-byte internal device address
#define 	AT91C_TWI_IADRSZ_2_BYTE               (0x2 <<  8) // (TWI) Two-byte internal device address
#define 	AT91C_TWI_IADRSZ_3_BYTE               (0x3 <<  8) // (TWI) Three-byte internal device address
#define AT91C_TWI_MREAD           (0x1 << 12) // (TWI) Master Read Direction
#define AT91C_TWI_DADR            (0x7F << 16) // (TWI) Device Address
// -------- TWI_SMR : (TWI Offset: 0x8) TWI Slave Mode Register -------- 
#define AT91C_TWI_SADR            (0x7F << 16) // (TWI) Slave Device Address
// -------- TWI_CWGR : (TWI Offset: 0x10) TWI Clock Waveform Generator Register -------- 
#define AT91C_TWI_CLDIV           (0xFF <<  0) // (TWI) Clock Low Divider
#define AT91C_TWI_CHDIV           (0xFF <<  8) // (TWI) Clock High Divider
#define AT91C_TWI_CKDIV           (0x7 << 16) // (TWI) Clock Divider
// -------- TWI_SR : (TWI Offset: 0x20) TWI Status Register -------- 
#define AT91C_TWI_TXCOMP          (0x1 <<  0) // (TWI) Transmission Completed
#define AT91C_TWI_RXRDY           (0x1 <<  1) // (TWI) Receive holding register ReaDY
#define AT91C_TWI_TXRDY           (0x1 <<  2) // (TWI) Transmit holding register ReaDY
#define AT91C_TWI_SVREAD          (0x1 <<  3) // (TWI) Slave Read
#define AT91C_TWI_SVACC           (0x1 <<  4) // (TWI) Slave Access
#define AT91C_TWI_GCACC           (0x1 <<  5) // (TWI) General Call Access
#define AT91C_TWI_OVRE            (0x1 <<  6) // (TWI) Overrun Error
#define AT91C_TWI_UNRE            (0x1 <<  7) // (TWI) Underrun Error
#define AT91C_TWI_NACK            (0x1 <<  8) // (TWI) Not Acknowledged
#define AT91C_TWI_ARBLST          (0x1 <<  9) // (TWI) Arbitration Lost
// -------- TWI_IER : (TWI Offset: 0x24) TWI Interrupt Enable Register -------- 
// -------- TWI_IDR : (TWI Offset: 0x28) TWI Interrupt Disable Register -------- 
// -------- TWI_IMR : (TWI Offset: 0x2c) TWI Interrupt Mask Register -------- 

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR Timer Counter Channel Interface
// *****************************************************************************
// *** Register offset in AT91S_TC structure ***
#define TC_CCR          ( 0) // Channel Control Register
#define TC_CMR          ( 4) // Channel Mode Register (Capture Mode / Waveform Mode)
#define TC_CV           (16) // Counter Value
#define TC_RA           (20) // Register A
#define TC_RB           (24) // Register B
#define TC_RC           (28) // Register C
#define TC_SR           (32) // Status Register
#define TC_IER          (36) // Interrupt Enable Register
#define TC_IDR          (40) // Interrupt Disable Register
#define TC_IMR          (44) // Interrupt Mask Register
// -------- TC_CCR : (TC Offset: 0x0) TC Channel Control Register -------- 
#define AT91C_TC_CLKEN            (0x1 <<  0) // (TC) Counter Clock Enable Command
#define AT91C_TC_CLKDIS           (0x1 <<  1) // (TC) Counter Clock Disable Command
#define AT91C_TC_SWTRG            (0x1 <<  2) // (TC) Software Trigger Command
// -------- TC_CMR : (TC Offset: 0x4) TC Channel Mode Register: Capture Mode / Waveform Mode -------- 
#define AT91C_TC_CLKS             (0x7 <<  0) // (TC) Clock Selection
#define 	AT91C_TC_CLKS_TIMER_DIV1_CLOCK     (0x0) // (TC) Clock selected: TIMER_DIV1_CLOCK
#define 	AT91C_TC_CLKS_TIMER_DIV2_CLOCK     (0x1) // (TC) Clock selected: TIMER_DIV2_CLOCK
#define 	AT91C_TC_CLKS_TIMER_DIV3_CLOCK     (0x2) // (TC) Clock selected: TIMER_DIV3_CLOCK
#define 	AT91C_TC_CLKS_TIMER_DIV4_CLOCK     (0x3) // (TC) Clock selected: TIMER_DIV4_CLOCK
#define 	AT91C_TC_CLKS_TIMER_DIV5_CLOCK     (0x4) // (TC) Clock selected: TIMER_DIV5_CLOCK
#define 	AT91C_TC_CLKS_XC0                  (0x5) // (TC) Clock selected: XC0
#define 	AT91C_TC_CLKS_XC1                  (0x6) // (TC) Clock selected: XC1
#define 	AT91C_TC_CLKS_XC2                  (0x7) // (TC) Clock selected: XC2
#define AT91C_TC_CLKI             (0x1 <<  3) // (TC) Clock Invert
#define AT91C_TC_BURST            (0x3 <<  4) // (TC) Burst Signal Selection
#define 	AT91C_TC_BURST_NONE                 (0x0 <<  4) // (TC) The clock is not gated by an external signal
#define 	AT91C_TC_BURST_XC0                  (0x1 <<  4) // (TC) XC0 is ANDed with the selected clock
#define 	AT91C_TC_BURST_XC1                  (0x2 <<  4) // (TC) XC1 is ANDed with the selected clock
#define 	AT91C_TC_BURST_XC2                  (0x3 <<  4) // (TC) XC2 is ANDed with the selected clock
#define AT91C_TC_CPCSTOP          (0x1 <<  6) // (TC) Counter Clock Stopped with RC Compare
#define AT91C_TC_LDBSTOP          (0x1 <<  6) // (TC) Counter Clock Stopped with RB Loading
#define AT91C_TC_LDBDIS           (0x1 <<  7) // (TC) Counter Clock Disabled with RB Loading
#define AT91C_TC_CPCDIS           (0x1 <<  7) // (TC) Counter Clock Disable with RC Compare
#define AT91C_TC_ETRGEDG          (0x3 <<  8) // (TC) External Trigger Edge Selection
#define 	AT91C_TC_ETRGEDG_NONE                 (0x0 <<  8) // (TC) Edge: None
#define 	AT91C_TC_ETRGEDG_RISING               (0x1 <<  8) // (TC) Edge: rising edge
#define 	AT91C_TC_ETRGEDG_FALLING              (0x2 <<  8) // (TC) Edge: falling edge
#define 	AT91C_TC_ETRGEDG_BOTH                 (0x3 <<  8) // (TC) Edge: each edge
#define AT91C_TC_EEVTEDG          (0x3 <<  8) // (TC) External Event Edge Selection
#define 	AT91C_TC_EEVTEDG_NONE                 (0x0 <<  8) // (TC) Edge: None
#define 	AT91C_TC_EEVTEDG_RISING               (0x1 <<  8) // (TC) Edge: rising edge
#define 	AT91C_TC_EEVTEDG_FALLING              (0x2 <<  8) // (TC) Edge: falling edge
#define 	AT91C_TC_EEVTEDG_BOTH                 (0x3 <<  8) // (TC) Edge: each edge
#define AT91C_TC_ABETRG           (0x1 << 10) // (TC) TIOA or TIOB External Trigger Selection
#define AT91C_TC_EEVT             (0x3 << 10) // (TC) External Event  Selection
#define 	AT91C_TC_EEVT_NONE                 (0x0 << 10) // (TC) Signal selected as external event: TIOB TIOB direction: input
#define 	AT91C_TC_EEVT_RISING               (0x1 << 10) // (TC) Signal selected as external event: XC0 TIOB direction: output
#define 	AT91C_TC_EEVT_FALLING              (0x2 << 10) // (TC) Signal selected as external event: XC1 TIOB direction: output
#define 	AT91C_TC_EEVT_BOTH                 (0x3 << 10) // (TC) Signal selected as external event: XC2 TIOB direction: output
#define AT91C_TC_ENETRG           (0x1 << 12) // (TC) External Event Trigger enable
#define AT91C_TC_WAVESEL          (0x3 << 13) // (TC) Waveform  Selection
#define 	AT91C_TC_WAVESEL_UP                   (0x0 << 13) // (TC) UP mode without atomatic trigger on RC Compare
#define 	AT91C_TC_WAVESEL_UPDOWN               (0x1 << 13) // (TC) UPDOWN mode without automatic trigger on RC Compare
#define 	AT91C_TC_WAVESEL_UP_AUTO              (0x2 << 13) // (TC) UP mode with automatic trigger on RC Compare
#define 	AT91C_TC_WAVESEL_UPDOWN_AUTO          (0x3 << 13) // (TC) UPDOWN mode with automatic trigger on RC Compare
#define AT91C_TC_CPCTRG           (0x1 << 14) // (TC) RC Compare Trigger Enable
#define AT91C_TC_WAVE             (0x1 << 15) // (TC) 
#define AT91C_TC_LDRA             (0x3 << 16) // (TC) RA Loading Selection
#define 	AT91C_TC_LDRA_NONE                 (0x0 << 16) // (TC) Edge: None
#define 	AT91C_TC_LDRA_RISING               (0x1 << 16) // (TC) Edge: rising edge of TIOA
#define 	AT91C_TC_LDRA_FALLING              (0x2 << 16) // (TC) Edge: falling edge of TIOA
#define 	AT91C_TC_LDRA_BOTH                 (0x3 << 16) // (TC) Edge: each edge of TIOA
#define AT91C_TC_ACPA             (0x3 << 16) // (TC) RA Compare Effect on TIOA
#define 	AT91C_TC_ACPA_NONE                 (0x0 << 16) // (TC) Effect: none
#define 	AT91C_TC_ACPA_SET                  (0x1 << 16) // (TC) Effect: set
#define 	AT91C_TC_ACPA_CLEAR                (0x2 << 16) // (TC) Effect: clear
#define 	AT91C_TC_ACPA_TOGGLE               (0x3 << 16) // (TC) Effect: toggle
#define AT91C_TC_LDRB             (0x3 << 18) // (TC) RB Loading Selection
#define 	AT91C_TC_LDRB_NONE                 (0x0 << 18) // (TC) Edge: None
#define 	AT91C_TC_LDRB_RISING               (0x1 << 18) // (TC) Edge: rising edge of TIOA
#define 	AT91C_TC_LDRB_FALLING              (0x2 << 18) // (TC) Edge: falling edge of TIOA
#define 	AT91C_TC_LDRB_BOTH                 (0x3 << 18) // (TC) Edge: each edge of TIOA
#define AT91C_TC_ACPC             (0x3 << 18) // (TC) RC Compare Effect on TIOA
#define 	AT91C_TC_ACPC_NONE                 (0x0 << 18) // (TC) Effect: none
#define 	AT91C_TC_ACPC_SET                  (0x1 << 18) // (TC) Effect: set
#define 	AT91C_TC_ACPC_CLEAR                (0x2 << 18) // (TC) Effect: clear
#define 	AT91C_TC_ACPC_TOGGLE               (0x3 << 18) // (TC) Effect: toggle
#define AT91C_TC_AEEVT            (0x3 << 20) // (TC) External Event Effect on TIOA
#define 	AT91C_TC_AEEVT_NONE                 (0x0 << 20) // (TC) Effect: none
#define 	AT91C_TC_AEEVT_SET                  (0x1 << 20) // (TC) Effect: set
#define 	AT91C_TC_AEEVT_CLEAR                (0x2 << 20) // (TC) Effect: clear
#define 	AT91C_TC_AEEVT_TOGGLE               (0x3 << 20) // (TC) Effect: toggle
#define AT91C_TC_ASWTRG           (0x3 << 22) // (TC) Software Trigger Effect on TIOA
#define 	AT91C_TC_ASWTRG_NONE                 (0x0 << 22) // (TC) Effect: none
#define 	AT91C_TC_ASWTRG_SET                  (0x1 << 22) // (TC) Effect: set
#define 	AT91C_TC_ASWTRG_CLEAR                (0x2 << 22) // (TC) Effect: clear
#define 	AT91C_TC_ASWTRG_TOGGLE               (0x3 << 22) // (TC) Effect: toggle
#define AT91C_TC_BCPB             (0x3 << 24) // (TC) RB Compare Effect on TIOB
#define 	AT91C_TC_BCPB_NONE                 (0x0 << 24) // (TC) Effect: none
#define 	AT91C_TC_BCPB_SET                  (0x1 << 24) // (TC) Effect: set
#define 	AT91C_TC_BCPB_CLEAR                (0x2 << 24) // (TC) Effect: clear
#define 	AT91C_TC_BCPB_TOGGLE               (0x3 << 24) // (TC) Effect: toggle
#define AT91C_TC_BCPC             (0x3 << 26) // (TC) RC Compare Effect on TIOB
#define 	AT91C_TC_BCPC_NONE                 (0x0 << 26) // (TC) Effect: none
#define 	AT91C_TC_BCPC_SET                  (0x1 << 26) // (TC) Effect: set
#define 	AT91C_TC_BCPC_CLEAR                (0x2 << 26) // (TC) Effect: clear
#define 	AT91C_TC_BCPC_TOGGLE               (0x3 << 26) // (TC) Effect: toggle
#define AT91C_TC_BEEVT            (0x3 << 28) // (TC) External Event Effect on TIOB
#define 	AT91C_TC_BEEVT_NONE                 (0x0 << 28) // (TC) Effect: none
#define 	AT91C_TC_BEEVT_SET                  (0x1 << 28) // (TC) Effect: set
#define 	AT91C_TC_BEEVT_CLEAR                (0x2 << 28) // (TC) Effect: clear
#define 	AT91C_TC_BEEVT_TOGGLE               (0x3 << 28) // (TC) Effect: toggle
#define AT91C_TC_BSWTRG           (0x3 << 30) // (TC) Software Trigger Effect on TIOB
#define 	AT91C_TC_BSWTRG_NONE                 (0x0 << 30) // (TC) Effect: none
#define 	AT91C_TC_BSWTRG_SET                  (0x1 << 30) // (TC) Effect: set
#define 	AT91C_TC_BSWTRG_CLEAR                (0x2 << 30) // (TC) Effect: clear
#define 	AT91C_TC_BSWTRG_TOGGLE               (0x3 << 30) // (TC) Effect: toggle
// -------- TC_SR : (TC Offset: 0x20) TC Channel Status Register -------- 
#define AT91C_TC_COVFS            (0x1 <<  0) // (TC) Counter Overflow
#define AT91C_TC_LOVRS            (0x1 <<  1) // (TC) Load Overrun
#define AT91C_TC_CPAS             (0x1 <<  2) // (TC) RA Compare
#define AT91C_TC_CPBS             (0x1 <<  3) // (TC) RB Compare
#define AT91C_TC_CPCS             (0x1 <<  4) // (TC) RC Compare
#define AT91C_TC_LDRAS            (0x1 <<  5) // (TC) RA Loading
#define AT91C_TC_LDRBS            (0x1 <<  6) // (TC) RB Loading
#define AT91C_TC_ETRCS            (0x1 <<  7) // (TC) External Trigger
#define AT91C_TC_ETRGS            (0x1 << 16) // (TC) Clock Enabling
#define AT91C_TC_MTIOA            (0x1 << 17) // (TC) TIOA Mirror
#define AT91C_TC_MTIOB            (0x1 << 18) // (TC) TIOA Mirror
// -------- TC_IER : (TC Offset: 0x24) TC Channel Interrupt Enable Register -------- 
// -------- TC_IDR : (TC Offset: 0x28) TC Channel Interrupt Disable Register -------- 
// -------- TC_IMR : (TC Offset: 0x2c) TC Channel Interrupt Mask Register -------- 

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR Timer Counter Interface
// *****************************************************************************
// *** Register offset in AT91S_TCB structure ***
#define TCB_TC0         ( 0) // TC Channel 0
#define TCB_TC1         (64) // TC Channel 1
#define TCB_TC2         (128) // TC Channel 2
#define TCB_BCR         (192) // TC Block Control Register
#define TCB_BMR         (196) // TC Block Mode Register
// -------- TCB_BCR : (TCB Offset: 0xc0) TC Block Control Register -------- 
#define AT91C_TCB_SYNC            (0x1 <<  0) // (TCB) Synchro Command
// -------- TCB_BMR : (TCB Offset: 0xc4) TC Block Mode Register -------- 
#define AT91C_TCB_TC0XC0S         (0x1 <<  0) // (TCB) External Clock Signal 0 Selection
#define 	AT91C_TCB_TC0XC0S_TCLK0                (0x0) // (TCB) TCLK0 connected to XC0
#define 	AT91C_TCB_TC0XC0S_NONE                 (0x1) // (TCB) None signal connected to XC0
#define 	AT91C_TCB_TC0XC0S_TIOA1                (0x2) // (TCB) TIOA1 connected to XC0
#define 	AT91C_TCB_TC0XC0S_TIOA2                (0x3) // (TCB) TIOA2 connected to XC0
#define AT91C_TCB_TC1XC1S         (0x1 <<  2) // (TCB) External Clock Signal 1 Selection
#define 	AT91C_TCB_TC1XC1S_TCLK1                (0x0 <<  2) // (TCB) TCLK1 connected to XC1
#define 	AT91C_TCB_TC1XC1S_NONE                 (0x1 <<  2) // (TCB) None signal connected to XC1
#define 	AT91C_TCB_TC1XC1S_TIOA0                (0x2 <<  2) // (TCB) TIOA0 connected to XC1
#define 	AT91C_TCB_TC1XC1S_TIOA2                (0x3 <<  2) // (TCB) TIOA2 connected to XC1
#define AT91C_TCB_TC2XC2S         (0x1 <<  4) // (TCB) External Clock Signal 2 Selection
#define 	AT91C_TCB_TC2XC2S_TCLK2                (0x0 <<  4) // (TCB) TCLK2 connected to XC2
#define 	AT91C_TCB_TC2XC2S_NONE                 (0x1 <<  4) // (TCB) None signal connected to XC2
#define 	AT91C_TCB_TC2XC2S_TIOA0                (0x2 <<  4) // (TCB) TIOA0 connected to XC2
#define 	AT91C_TCB_TC2XC2S_TIOA2                (0x3 <<  4) // (TCB) TIOA2 connected to XC2

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR PWMC Channel Interface
// *****************************************************************************
// *** Register offset in AT91S_PWMC_CH structure ***
#define PWMC_CMR        ( 0) // Channel Mode Register
#define PWMC_CDTYR      ( 4) // Channel Duty Cycle Register
#define PWMC_CPRDR      ( 8) // Channel Period Register
#define PWMC_CCNTR      (12) // Channel Counter Register
#define PWMC_CUPDR      (16) // Channel Update Register
#define PWMC_Reserved   (20) // Reserved
// -------- PWMC_CMR : (PWMC_CH Offset: 0x0) PWMC Channel Mode Register -------- 
#define AT91C_PWMC_CPRE           (0xF <<  0) // (PWMC_CH) Channel Pre-scaler : PWMC_CLKx
#define 	AT91C_PWMC_CPRE_MCK                  (0x0) // (PWMC_CH) 
#define 	AT91C_PWMC_CPRE_MCKA                 (0xB) // (PWMC_CH) 
#define 	AT91C_PWMC_CPRE_MCKB                 (0xC) // (PWMC_CH) 
#define AT91C_PWMC_CALG           (0x1 <<  8) // (PWMC_CH) Channel Alignment
#define AT91C_PWMC_CPOL           (0x1 <<  9) // (PWMC_CH) Channel Polarity
#define AT91C_PWMC_CPD            (0x1 << 10) // (PWMC_CH) Channel Update Period
// -------- PWMC_CDTYR : (PWMC_CH Offset: 0x4) PWMC Channel Duty Cycle Register -------- 
#define AT91C_PWMC_CDTY           (0x0 <<  0) // (PWMC_CH) Channel Duty Cycle
// -------- PWMC_CPRDR : (PWMC_CH Offset: 0x8) PWMC Channel Period Register -------- 
#define AT91C_PWMC_CPRD           (0x0 <<  0) // (PWMC_CH) Channel Period
// -------- PWMC_CCNTR : (PWMC_CH Offset: 0xc) PWMC Channel Counter Register -------- 
#define AT91C_PWMC_CCNT           (0x0 <<  0) // (PWMC_CH) Channel Counter
// -------- PWMC_CUPDR : (PWMC_CH Offset: 0x10) PWMC Channel Update Register -------- 
#define AT91C_PWMC_CUPD           (0x0 <<  0) // (PWMC_CH) Channel Update

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR Pulse Width Modulation Controller Interface
// *****************************************************************************
// *** Register offset in AT91S_PWMC structure ***
#define PWMC_MR         ( 0) // PWMC Mode Register
#define PWMC_ENA        ( 4) // PWMC Enable Register
#define PWMC_DIS        ( 8) // PWMC Disable Register
#define PWMC_SR         (12) // PWMC Status Register
#define PWMC_IER        (16) // PWMC Interrupt Enable Register
#define PWMC_IDR        (20) // PWMC Interrupt Disable Register
#define PWMC_IMR        (24) // PWMC Interrupt Mask Register
#define PWMC_ISR        (28) // PWMC Interrupt Status Register
#define PWMC_VR         (252) // PWMC Version Register
#define PWMC_CH         (512) // PWMC Channel 0
// -------- PWMC_MR : (PWMC Offset: 0x0) PWMC Mode Register -------- 
#define AT91C_PWMC_DIVA           (0xFF <<  0) // (PWMC) CLKA divide factor.
#define AT91C_PWMC_PREA           (0xF <<  8) // (PWMC) Divider Input Clock Prescaler A
#define 	AT91C_PWMC_PREA_MCK                  (0x0 <<  8) // (PWMC) 
#define AT91C_PWMC_DIVB           (0xFF << 16) // (PWMC) CLKB divide factor.
#define AT91C_PWMC_PREB           (0xF << 24) // (PWMC) Divider Input Clock Prescaler B
#define 	AT91C_PWMC_PREB_MCK                  (0x0 << 24) // (PWMC) 
// -------- PWMC_ENA : (PWMC Offset: 0x4) PWMC Enable Register -------- 
#define AT91C_PWMC_CHID0          (0x1 <<  0) // (PWMC) Channel ID 0
#define AT91C_PWMC_CHID1          (0x1 <<  1) // (PWMC) Channel ID 1
#define AT91C_PWMC_CHID2          (0x1 <<  2) // (PWMC) Channel ID 2
#define AT91C_PWMC_CHID3          (0x1 <<  3) // (PWMC) Channel ID 3
#define AT91C_PWMC_CHID4          (0x1 <<  4) // (PWMC) Channel ID 4
#define AT91C_PWMC_CHID5          (0x1 <<  5) // (PWMC) Channel ID 5
#define AT91C_PWMC_CHID6          (0x1 <<  6) // (PWMC) Channel ID 6
#define AT91C_PWMC_CHID7          (0x1 <<  7) // (PWMC) Channel ID 7
// -------- PWMC_DIS : (PWMC Offset: 0x8) PWMC Disable Register -------- 
// -------- PWMC_SR : (PWMC Offset: 0xc) PWMC Status Register -------- 
// -------- PWMC_IER : (PWMC Offset: 0x10) PWMC Interrupt Enable Register -------- 
// -------- PWMC_IDR : (PWMC Offset: 0x14) PWMC Interrupt Disable Register -------- 
// -------- PWMC_IMR : (PWMC Offset: 0x18) PWMC Interrupt Mask Register -------- 
// -------- PWMC_ISR : (PWMC Offset: 0x1c) PWMC Interrupt Status Register -------- 

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR USB Device Interface
// *****************************************************************************
// *** Register offset in AT91S_UDP structure ***
#define UDP_NUM         ( 0) // Frame Number Register
#define UDP_GLBSTATE    ( 4) // Global State Register
#define UDP_FADDR       ( 8) // Function Address Register
#define UDP_IER         (16) // Interrupt Enable Register
#define UDP_IDR         (20) // Interrupt Disable Register
#define UDP_IMR         (24) // Interrupt Mask Register
#define UDP_ISR         (28) // Interrupt Status Register
#define UDP_ICR         (32) // Interrupt Clear Register
#define UDP_RSTEP       (40) // Reset Endpoint Register
#define UDP_CSR         (48) // Endpoint Control and Status Register
#define UDP_FDR         (80) // Endpoint FIFO Data Register
// -------- UDP_FRM_NUM : (UDP Offset: 0x0) USB Frame Number Register -------- 
#define AT91C_UDP_FRM_NUM         (0x7FF <<  0) // (UDP) Frame Number as Defined in the Packet Field Formats
#define AT91C_UDP_FRM_ERR         (0x1 << 16) // (UDP) Frame Error
#define AT91C_UDP_FRM_OK          (0x1 << 17) // (UDP) Frame OK
// -------- UDP_GLB_STATE : (UDP Offset: 0x4) USB Global State Register -------- 
#define AT91C_UDP_FADDEN          (0x1 <<  0) // (UDP) Function Address Enable
#define AT91C_UDP_CONFG           (0x1 <<  1) // (UDP) Configured
#define AT91C_UDP_RMWUPE          (0x1 <<  2) // (UDP) Remote Wake Up Enable
#define AT91C_UDP_RSMINPR         (0x1 <<  3) // (UDP) A Resume Has Been Sent to the Host
// -------- UDP_FADDR : (UDP Offset: 0x8) USB Function Address Register -------- 
#define AT91C_UDP_FADD            (0xFF <<  0) // (UDP) Function Address Value
#define AT91C_UDP_FEN             (0x1 <<  8) // (UDP) Function Enable
// -------- UDP_IER : (UDP Offset: 0x10) USB Interrupt Enable Register -------- 
#define AT91C_UDP_EPINT0          (0x1 <<  0) // (UDP) Endpoint 0 Interrupt
#define AT91C_UDP_EPINT1          (0x1 <<  1) // (UDP) Endpoint 0 Interrupt
#define AT91C_UDP_EPINT2          (0x1 <<  2) // (UDP) Endpoint 2 Interrupt
#define AT91C_UDP_EPINT3          (0x1 <<  3) // (UDP) Endpoint 3 Interrupt
#define AT91C_UDP_EPINT4          (0x1 <<  4) // (UDP) Endpoint 4 Interrupt
#define AT91C_UDP_EPINT5          (0x1 <<  5) // (UDP) Endpoint 5 Interrupt
#define AT91C_UDP_EPINT6          (0x1 <<  6) // (UDP) Endpoint 6 Interrupt
#define AT91C_UDP_EPINT7          (0x1 <<  7) // (UDP) Endpoint 7 Interrupt
#define AT91C_UDP_RXSUSP          (0x1 <<  8) // (UDP) USB Suspend Interrupt
#define AT91C_UDP_RXRSM           (0x1 <<  9) // (UDP) USB Resume Interrupt
#define AT91C_UDP_EXTRSM          (0x1 << 10) // (UDP) USB External Resume Interrupt
#define AT91C_UDP_SOFINT          (0x1 << 11) // (UDP) USB Start Of frame Interrupt
#define AT91C_UDP_WAKEUP          (0x1 << 13) // (UDP) USB Resume Interrupt
// -------- UDP_IDR : (UDP Offset: 0x14) USB Interrupt Disable Register -------- 
// -------- UDP_IMR : (UDP Offset: 0x18) USB Interrupt Mask Register -------- 
// -------- UDP_ISR : (UDP Offset: 0x1c) USB Interrupt Status Register -------- 
#define AT91C_UDP_ENDBUSRES       (0x1 << 12) // (UDP) USB End Of Bus Reset Interrupt
// -------- UDP_ICR : (UDP Offset: 0x20) USB Interrupt Clear Register -------- 
// -------- UDP_RST_EP : (UDP Offset: 0x28) USB Reset Endpoint Register -------- 
#define AT91C_UDP_EP0             (0x1 <<  0) // (UDP) Reset Endpoint 0
#define AT91C_UDP_EP1             (0x1 <<  1) // (UDP) Reset Endpoint 1
#define AT91C_UDP_EP2             (0x1 <<  2) // (UDP) Reset Endpoint 2
#define AT91C_UDP_EP3             (0x1 <<  3) // (UDP) Reset Endpoint 3
#define AT91C_UDP_EP4             (0x1 <<  4) // (UDP) Reset Endpoint 4
#define AT91C_UDP_EP5             (0x1 <<  5) // (UDP) Reset Endpoint 5
#define AT91C_UDP_EP6             (0x1 <<  6) // (UDP) Reset Endpoint 6
#define AT91C_UDP_EP7             (0x1 <<  7) // (UDP) Reset Endpoint 7
// -------- UDP_CSR : (UDP Offset: 0x30) USB Endpoint Control and Status Register -------- 
#define AT91C_UDP_TXCOMP          (0x1 <<  0) // (UDP) Generates an IN packet with data previously written in the DPR
#define AT91C_UDP_RX_DATA_BK0     (0x1 <<  1) // (UDP) Receive Data Bank 0
#define AT91C_UDP_RXSETUP         (0x1 <<  2) // (UDP) Sends STALL to the Host (Control endpoints)
#define AT91C_UDP_ISOERROR        (0x1 <<  3) // (UDP) Isochronous error (Isochronous endpoints)
#define AT91C_UDP_TXPKTRDY        (0x1 <<  4) // (UDP) Transmit Packet Ready
#define AT91C_UDP_FORCESTALL      (0x1 <<  5) // (UDP) Force Stall (used by Control, Bulk and Isochronous endpoints).
#define AT91C_UDP_RX_DATA_BK1     (0x1 <<  6) // (UDP) Receive Data Bank 1 (only used by endpoints with ping-pong attributes).
#define AT91C_UDP_DIR             (0x1 <<  7) // (UDP) Transfer Direction
#define AT91C_UDP_EPTYPE          (0x7 <<  8) // (UDP) Endpoint type
#define 	AT91C_UDP_EPTYPE_CTRL                 (0x0 <<  8) // (UDP) Control
#define 	AT91C_UDP_EPTYPE_ISO_OUT              (0x1 <<  8) // (UDP) Isochronous OUT
#define 	AT91C_UDP_EPTYPE_BULK_OUT             (0x2 <<  8) // (UDP) Bulk OUT
#define 	AT91C_UDP_EPTYPE_INT_OUT              (0x3 <<  8) // (UDP) Interrupt OUT
#define 	AT91C_UDP_EPTYPE_ISO_IN               (0x5 <<  8) // (UDP) Isochronous IN
#define 	AT91C_UDP_EPTYPE_BULK_IN              (0x6 <<  8) // (UDP) Bulk IN
#define 	AT91C_UDP_EPTYPE_INT_IN               (0x7 <<  8) // (UDP) Interrupt IN
#define AT91C_UDP_DTGLE           (0x1 << 11) // (UDP) Data Toggle
#define AT91C_UDP_EPEDS           (0x1 << 15) // (UDP) Endpoint Enable Disable
#define AT91C_UDP_RXBYTECNT       (0x7FF << 16) // (UDP) Number Of Bytes Available in the FIFO

// *****************************************************************************
//               REGISTER ADDRESS DEFINITION FOR AT91SAM7S64
// *****************************************************************************
// ========== Register definition for SYSC peripheral ========== 
#define AT91C_SYSC_SYSC_VRPM      (0xFFFFFD60) // (SYSC) Voltage Regulator Power Mode Register
// ========== Register definition for AIC peripheral ========== 
#define AT91C_AIC_ICCR            (0xFFFFF128) // (AIC) Interrupt Clear Command Register
#define AT91C_AIC_IECR            (0xFFFFF120) // (AIC) Interrupt Enable Command Register
#define AT91C_AIC_SMR             (0xFFFFF000) // (AIC) Source Mode Register
#define AT91C_AIC_ISCR            (0xFFFFF12C) // (AIC) Interrupt Set Command Register
#define AT91C_AIC_EOICR           (0xFFFFF130) // (AIC) End of Interrupt Command Register
#define AT91C_AIC_DCR             (0xFFFFF138) // (AIC) Debug Control Register (Protect)
#define AT91C_AIC_FFER            (0xFFFFF140) // (AIC) Fast Forcing Enable Register
#define AT91C_AIC_SVR             (0xFFFFF080) // (AIC) Source Vector Register
#define AT91C_AIC_SPU             (0xFFFFF134) // (AIC) Spurious Vector Register
#define AT91C_AIC_FFDR            (0xFFFFF144) // (AIC) Fast Forcing Disable Register
#define AT91C_AIC_FVR             (0xFFFFF104) // (AIC) FIQ Vector Register
#define AT91C_AIC_FFSR            (0xFFFFF148) // (AIC) Fast Forcing Status Register
#define AT91C_AIC_IMR             (0xFFFFF110) // (AIC) Interrupt Mask Register
#define AT91C_AIC_ISR             (0xFFFFF108) // (AIC) Interrupt Status Register
#define AT91C_AIC_IVR             (0xFFFFF100) // (AIC) IRQ Vector Register
#define AT91C_AIC_IDCR            (0xFFFFF124) // (AIC) Interrupt Disable Command Register
#define AT91C_AIC_CISR            (0xFFFFF114) // (AIC) Core Interrupt Status Register
#define AT91C_AIC_IPR             (0xFFFFF10C) // (AIC) Interrupt Pending Register
// ========== Register definition for DBGU peripheral ========== 
#define AT91C_DBGU_C2R            (0xFFFFF244) // (DBGU) Chip ID2 Register
#define AT91C_DBGU_THR            (0xFFFFF21C) // (DBGU) Transmitter Holding Register
#define AT91C_DBGU_CSR            (0xFFFFF214) // (DBGU) Channel Status Register
#define AT91C_DBGU_IDR            (0xFFFFF20C) // (DBGU) Interrupt Disable Register
#define AT91C_DBGU_MR             (0xFFFFF204) // (DBGU) Mode Register
#define AT91C_DBGU_FNTR           (0xFFFFF248) // (DBGU) Force NTRST Register
#define AT91C_DBGU_C1R            (0xFFFFF240) // (DBGU) Chip ID1 Register
#define AT91C_DBGU_BRGR           (0xFFFFF220) // (DBGU) Baud Rate Generator Register
#define AT91C_DBGU_RHR            (0xFFFFF218) // (DBGU) Receiver Holding Register
#define AT91C_DBGU_IMR            (0xFFFFF210) // (DBGU) Interrupt Mask Register
#define AT91C_DBGU_IER            (0xFFFFF208) // (DBGU) Interrupt Enable Register
#define AT91C_DBGU_CR             (0xFFFFF200) // (DBGU) Control Register
// ========== Register definition for PDC_DBGU peripheral ========== 
#define AT91C_DBGU_TNCR           (0xFFFFF31C) // (PDC_DBGU) Transmit Next Counter Register
#define AT91C_DBGU_RNCR           (0xFFFFF314) // (PDC_DBGU) Receive Next Counter Register
#define AT91C_DBGU_PTCR           (0xFFFFF320) // (PDC_DBGU) PDC Transfer Control Register
#define AT91C_DBGU_PTSR           (0xFFFFF324) // (PDC_DBGU) PDC Transfer Status Register
#define AT91C_DBGU_RCR            (0xFFFFF304) // (PDC_DBGU) Receive Counter Register
#define AT91C_DBGU_TCR            (0xFFFFF30C) // (PDC_DBGU) Transmit Counter Register
#define AT91C_DBGU_RPR            (0xFFFFF300) // (PDC_DBGU) Receive Pointer Register
#define AT91C_DBGU_TPR            (0xFFFFF308) // (PDC_DBGU) Transmit Pointer Register
#define AT91C_DBGU_RNPR           (0xFFFFF310) // (PDC_DBGU) Receive Next Pointer Register
#define AT91C_DBGU_TNPR           (0xFFFFF318) // (PDC_DBGU) Transmit Next Pointer Register
// ========== Register definition for PIOA peripheral ========== 
#define AT91C_PIOA_IMR            (0xFFFFF448) // (PIOA) Interrupt Mask Register
#define AT91C_PIOA_IER            (0xFFFFF440) // (PIOA) Interrupt Enable Register
#define AT91C_PIOA_OWDR           (0xFFFFF4A4) // (PIOA) Output Write Disable Register
#define AT91C_PIOA_ISR            (0xFFFFF44C) // (PIOA) Interrupt Status Register
#define AT91C_PIOA_PPUDR          (0xFFFFF460) // (PIOA) Pull-up Disable Register
#define AT91C_PIOA_MDSR           (0xFFFFF458) // (PIOA) Multi-driver Status Register
#define AT91C_PIOA_MDER           (0xFFFFF450) // (PIOA) Multi-driver Enable Register
#define AT91C_PIOA_PER            (0xFFFFF400) // (PIOA) PIO Enable Register
#define AT91C_PIOA_PSR            (0xFFFFF408) // (PIOA) PIO Status Register
#define AT91C_PIOA_OER            (0xFFFFF410) // (PIOA) Output Enable Register
#define AT91C_PIOA_BSR            (0xFFFFF474) // (PIOA) Select B Register
#define AT91C_PIOA_PPUER          (0xFFFFF464) // (PIOA) Pull-up Enable Register
#define AT91C_PIOA_MDDR           (0xFFFFF454) // (PIOA) Multi-driver Disable Register
#define AT91C_PIOA_PDR            (0xFFFFF404) // (PIOA) PIO Disable Register
#define AT91C_PIOA_ODR            (0xFFFFF414) // (PIOA) Output Disable Registerr
#define AT91C_PIOA_IFDR           (0xFFFFF424) // (PIOA) Input Filter Disable Register
#define AT91C_PIOA_ABSR           (0xFFFFF478) // (PIOA) AB Select Status Register
#define AT91C_PIOA_ASR            (0xFFFFF470) // (PIOA) Select A Register
#define AT91C_PIOA_PPUSR          (0xFFFFF468) // (PIOA) Pad Pull-up Status Register
#define AT91C_PIOA_ODSR           (0xFFFFF438) // (PIOA) Output Data Status Register
#define AT91C_PIOA_SODR           (0xFFFFF430) // (PIOA) Set Output Data Register
#define AT91C_PIOA_IFSR           (0xFFFFF428) // (PIOA) Input Filter Status Register
#define AT91C_PIOA_IFER           (0xFFFFF420) // (PIOA) Input Filter Enable Register
#define AT91C_PIOA_OSR            (0xFFFFF418) // (PIOA) Output Status Register
#define AT91C_PIOA_IDR            (0xFFFFF444) // (PIOA) Interrupt Disable Register
#define AT91C_PIOA_PDSR           (0xFFFFF43C) // (PIOA) Pin Data Status Register
#define AT91C_PIOA_CODR           (0xFFFFF434) // (PIOA) Clear Output Data Register
#define AT91C_PIOA_OWSR           (0xFFFFF4A8) // (PIOA) Output Write Status Register
#define AT91C_PIOA_OWER           (0xFFFFF4A0) // (PIOA) Output Write Enable Register
// ========== Register definition for CKGR peripheral ========== 
#define AT91C_CKGR_PLLR           (0xFFFFFC2C) // (CKGR) PLL Register
#define AT91C_CKGR_MCFR           (0xFFFFFC24) // (CKGR) Main Clock  Frequency Register
#define AT91C_CKGR_MOR            (0xFFFFFC20) // (CKGR) Main Oscillator Register
// ========== Register definition for PMC peripheral ========== 
#define AT91C_PMC_SCSR            (0xFFFFFC08) // (PMC) System Clock Status Register
#define AT91C_PMC_SCER            (0xFFFFFC00) // (PMC) System Clock Enable Register
#define AT91C_PMC_IMR             (0xFFFFFC6C) // (PMC) Interrupt Mask Register
#define AT91C_PMC_IDR             (0xFFFFFC64) // (PMC) Interrupt Disable Register
#define AT91C_PMC_PCDR            (0xFFFFFC14) // (PMC) Peripheral Clock Disable Register
#define AT91C_PMC_SCDR            (0xFFFFFC04) // (PMC) System Clock Disable Register
#define AT91C_PMC_SR              (0xFFFFFC68) // (PMC) Status Register
#define AT91C_PMC_IER             (0xFFFFFC60) // (PMC) Interrupt Enable Register
#define AT91C_PMC_MCKR            (0xFFFFFC30) // (PMC) Master Clock Register
#define AT91C_PMC_MOR             (0xFFFFFC20) // (PMC) Main Oscillator Register
#define AT91C_PMC_PCER            (0xFFFFFC10) // (PMC) Peripheral Clock Enable Register
#define AT91C_PMC_PCSR            (0xFFFFFC18) // (PMC) Peripheral Clock Status Register
#define AT91C_PMC_PLLR            (0xFFFFFC2C) // (PMC) PLL Register
#define AT91C_PMC_MCFR            (0xFFFFFC24) // (PMC) Main Clock  Frequency Register
#define AT91C_PMC_PCKR            (0xFFFFFC40) // (PMC) Programmable Clock Register
// ========== Register definition for RSTC peripheral ========== 
#define AT91C_RSTC_RSR            (0xFFFFFD04) // (RSTC) Reset Status Register
#define AT91C_RSTC_RMR            (0xFFFFFD08) // (RSTC) Reset Mode Register
#define AT91C_RSTC_RCR            (0xFFFFFD00) // (RSTC) Reset Control Register
// ========== Register definition for RTTC peripheral ========== 
#define AT91C_RTTC_RTSR           (0xFFFFFD2C) // (RTTC) Real-time Status Register
#define AT91C_RTTC_RTAR           (0xFFFFFD24) // (RTTC) Real-time Alarm Register
#define AT91C_RTTC_RTVR           (0xFFFFFD28) // (RTTC) Real-time Value Register
#define AT91C_RTTC_RTMR           (0xFFFFFD20) // (RTTC) Real-time Mode Register
// ========== Register definition for PITC peripheral ========== 
#define AT91C_PITC_PIIR           (0xFFFFFD3C) // (PITC) Period Interval Image Register
#define AT91C_PITC_PISR           (0xFFFFFD34) // (PITC) Period Interval Status Register
#define AT91C_PITC_PIVR           (0xFFFFFD38) // (PITC) Period Interval Value Register
#define AT91C_PITC_PIMR           (0xFFFFFD30) // (PITC) Period Interval Mode Register
// ========== Register definition for WDTC peripheral ========== 
#define AT91C_WDTC_WDMR           (0xFFFFFD44) // (WDTC) Watchdog Mode Register
#define AT91C_WDTC_WDSR           (0xFFFFFD48) // (WDTC) Watchdog Status Register
#define AT91C_WDTC_WDCR           (0xFFFFFD40) // (WDTC) Watchdog Control Register
// ========== Register definition for MC peripheral ========== 
#define AT91C_MC_FCR              (0xFFFFFF64) // (MC) MC Flash Command Register
#define AT91C_MC_ASR              (0xFFFFFF04) // (MC) MC Abort Status Register
#define AT91C_MC_FSR              (0xFFFFFF68) // (MC) MC Flash Status Register
#define AT91C_MC_FMR              (0xFFFFFF60) // (MC) MC Flash Mode Register
#define AT91C_MC_AASR             (0xFFFFFF08) // (MC) MC Abort Address Status Register
#define AT91C_MC_RCR              (0xFFFFFF00) // (MC) MC Remap Control Register
// ========== Register definition for PDC_SPI peripheral ========== 
#define AT91C_SPI_PTCR            (0xFFFE0120) // (PDC_SPI) PDC Transfer Control Register
#define AT91C_SPI_TNPR            (0xFFFE0118) // (PDC_SPI) Transmit Next Pointer Register
#define AT91C_SPI_RNPR            (0xFFFE0110) // (PDC_SPI) Receive Next Pointer Register
#define AT91C_SPI_TPR             (0xFFFE0108) // (PDC_SPI) Transmit Pointer Register
#define AT91C_SPI_RPR             (0xFFFE0100) // (PDC_SPI) Receive Pointer Register
#define AT91C_SPI_PTSR            (0xFFFE0124) // (PDC_SPI) PDC Transfer Status Register
#define AT91C_SPI_TNCR            (0xFFFE011C) // (PDC_SPI) Transmit Next Counter Register
#define AT91C_SPI_RNCR            (0xFFFE0114) // (PDC_SPI) Receive Next Counter Register
#define AT91C_SPI_TCR             (0xFFFE010C) // (PDC_SPI) Transmit Counter Register
#define AT91C_SPI_RCR             (0xFFFE0104) // (PDC_SPI) Receive Counter Register
// ========== Register definition for SPI peripheral ========== 
#define AT91C_SPI_CSR             (0xFFFE0030) // (SPI) Chip Select Register
#define AT91C_SPI_IDR             (0xFFFE0018) // (SPI) Interrupt Disable Register
#define AT91C_SPI_SR              (0xFFFE0010) // (SPI) Status Register
#define AT91C_SPI_RDR             (0xFFFE0008) // (SPI) Receive Data Register
#define AT91C_SPI_CR              (0xFFFE0000) // (SPI) Control Register
#define AT91C_SPI_IMR             (0xFFFE001C) // (SPI) Interrupt Mask Register
#define AT91C_SPI_IER             (0xFFFE0014) // (SPI) Interrupt Enable Register
#define AT91C_SPI_TDR             (0xFFFE000C) // (SPI) Transmit Data Register
#define AT91C_SPI_MR              (0xFFFE0004) // (SPI) Mode Register
// ========== Register definition for PDC_ADC peripheral ========== 
#define AT91C_ADC_PTCR            (0xFFFD8120) // (PDC_ADC) PDC Transfer Control Register
#define AT91C_ADC_TNPR            (0xFFFD8118) // (PDC_ADC) Transmit Next Pointer Register
#define AT91C_ADC_RNPR            (0xFFFD8110) // (PDC_ADC) Receive Next Pointer Register
#define AT91C_ADC_TPR             (0xFFFD8108) // (PDC_ADC) Transmit Pointer Register
#define AT91C_ADC_RPR             (0xFFFD8100) // (PDC_ADC) Receive Pointer Register
#define AT91C_ADC_PTSR            (0xFFFD8124) // (PDC_ADC) PDC Transfer Status Register
#define AT91C_ADC_TNCR            (0xFFFD811C) // (PDC_ADC) Transmit Next Counter Register
#define AT91C_ADC_RNCR            (0xFFFD8114) // (PDC_ADC) Receive Next Counter Register
#define AT91C_ADC_TCR             (0xFFFD810C) // (PDC_ADC) Transmit Counter Register
#define AT91C_ADC_RCR             (0xFFFD8104) // (PDC_ADC) Receive Counter Register
// ========== Register definition for ADC peripheral ========== 
#define AT91C_ADC_IMR             (0xFFFD802C) // (ADC) ADC Interrupt Mask Register
#define AT91C_ADC_CDR4            (0xFFFD8040) // (ADC) ADC Channel Data Register 4
#define AT91C_ADC_CDR2            (0xFFFD8038) // (ADC) ADC Channel Data Register 2
#define AT91C_ADC_CDR0            (0xFFFD8030) // (ADC) ADC Channel Data Register 0
#define AT91C_ADC_CDR7            (0xFFFD804C) // (ADC) ADC Channel Data Register 7
#define AT91C_ADC_CDR1            (0xFFFD8034) // (ADC) ADC Channel Data Register 1
#define AT91C_ADC_CDR3            (0xFFFD803C) // (ADC) ADC Channel Data Register 3
#define AT91C_ADC_CDR5            (0xFFFD8044) // (ADC) ADC Channel Data Register 5
#define AT91C_ADC_MR              (0xFFFD8004) // (ADC) ADC Mode Register
#define AT91C_ADC_CDR6            (0xFFFD8048) // (ADC) ADC Channel Data Register 6
#define AT91C_ADC_CR              (0xFFFD8000) // (ADC) ADC Control Register
#define AT91C_ADC_CHER            (0xFFFD8010) // (ADC) ADC Channel Enable Register
#define AT91C_ADC_CHSR            (0xFFFD8018) // (ADC) ADC Channel Status Register
#define AT91C_ADC_IER             (0xFFFD8024) // (ADC) ADC Interrupt Enable Register
#define AT91C_ADC_SR              (0xFFFD801C) // (ADC) ADC Status Register
#define AT91C_ADC_CHDR            (0xFFFD8014) // (ADC) ADC Channel Disable Register
#define AT91C_ADC_IDR             (0xFFFD8028) // (ADC) ADC Interrupt Disable Register
#define AT91C_ADC_LCDR            (0xFFFD8020) // (ADC) ADC Last Converted Data Register
// ========== Register definition for PDC_SSC peripheral ========== 
#define AT91C_SSC_PTCR            (0xFFFD4120) // (PDC_SSC) PDC Transfer Control Register
#define AT91C_SSC_TNPR            (0xFFFD4118) // (PDC_SSC) Transmit Next Pointer Register
#define AT91C_SSC_RNPR            (0xFFFD4110) // (PDC_SSC) Receive Next Pointer Register
#define AT91C_SSC_TPR             (0xFFFD4108) // (PDC_SSC) Transmit Pointer Register
#define AT91C_SSC_RPR             (0xFFFD4100) // (PDC_SSC) Receive Pointer Register
#define AT91C_SSC_PTSR            (0xFFFD4124) // (PDC_SSC) PDC Transfer Status Register
#define AT91C_SSC_TNCR            (0xFFFD411C) // (PDC_SSC) Transmit Next Counter Register
#define AT91C_SSC_RNCR            (0xFFFD4114) // (PDC_SSC) Receive Next Counter Register
#define AT91C_SSC_TCR             (0xFFFD410C) // (PDC_SSC) Transmit Counter Register
#define AT91C_SSC_RCR             (0xFFFD4104) // (PDC_SSC) Receive Counter Register
// ========== Register definition for SSC peripheral ========== 
#define AT91C_SSC_RFMR            (0xFFFD4014) // (SSC) Receive Frame Mode Register
#define AT91C_SSC_CMR             (0xFFFD4004) // (SSC) Clock Mode Register
#define AT91C_SSC_IDR             (0xFFFD4048) // (SSC) Interrupt Disable Register
#define AT91C_SSC_SR              (0xFFFD4040) // (SSC) Status Register
#define AT91C_SSC_RC0R            (0xFFFD4038) // (SSC) Receive Compare 0 Register
#define AT91C_SSC_RSHR            (0xFFFD4030) // (SSC) Receive Sync Holding Register
#define AT91C_SSC_RHR             (0xFFFD4020) // (SSC) Receive Holding Register
#define AT91C_SSC_TCMR            (0xFFFD4018) // (SSC) Transmit Clock Mode Register
#define AT91C_SSC_RCMR            (0xFFFD4010) // (SSC) Receive Clock ModeRegister
#define AT91C_SSC_CR              (0xFFFD4000) // (SSC) Control Register
#define AT91C_SSC_IMR             (0xFFFD404C) // (SSC) Interrupt Mask Register
#define AT91C_SSC_IER             (0xFFFD4044) // (SSC) Interrupt Enable Register
#define AT91C_SSC_RC1R            (0xFFFD403C) // (SSC) Receive Compare 1 Register
#define AT91C_SSC_TSHR            (0xFFFD4034) // (SSC) Transmit Sync Holding Register
#define AT91C_SSC_THR             (0xFFFD4024) // (SSC) Transmit Holding Register
#define AT91C_SSC_TFMR            (0xFFFD401C) // (SSC) Transmit Frame Mode Register
// ========== Register definition for PDC_US1 peripheral ========== 
#define AT91C_US1_PTSR            (0xFFFC4124) // (PDC_US1) PDC Transfer Status Register
#define AT91C_US1_TNCR            (0xFFFC411C) // (PDC_US1) Transmit Next Counter Register
#define AT91C_US1_RNCR            (0xFFFC4114) // (PDC_US1) Receive Next Counter Register
#define AT91C_US1_TCR             (0xFFFC410C) // (PDC_US1) Transmit Counter Register
#define AT91C_US1_RCR             (0xFFFC4104) // (PDC_US1) Receive Counter Register
#define AT91C_US1_PTCR            (0xFFFC4120) // (PDC_US1) PDC Transfer Control Register
#define AT91C_US1_TNPR            (0xFFFC4118) // (PDC_US1) Transmit Next Pointer Register
#define AT91C_US1_RNPR            (0xFFFC4110) // (PDC_US1) Receive Next Pointer Register
#define AT91C_US1_TPR             (0xFFFC4108) // (PDC_US1) Transmit Pointer Register
#define AT91C_US1_RPR             (0xFFFC4100) // (PDC_US1) Receive Pointer Register
// ========== Register definition for US1 peripheral ========== 
#define AT91C_US1_XXR             (0xFFFC4048) // (US1) XON_XOFF Register
#define AT91C_US1_RHR             (0xFFFC4018) // (US1) Receiver Holding Register
#define AT91C_US1_IMR             (0xFFFC4010) // (US1) Interrupt Mask Register
#define AT91C_US1_IER             (0xFFFC4008) // (US1) Interrupt Enable Register
#define AT91C_US1_CR              (0xFFFC4000) // (US1) Control Register
#define AT91C_US1_RTOR            (0xFFFC4024) // (US1) Receiver Time-out Register
#define AT91C_US1_THR             (0xFFFC401C) // (US1) Transmitter Holding Register
#define AT91C_US1_CSR             (0xFFFC4014) // (US1) Channel Status Register
#define AT91C_US1_IDR             (0xFFFC400C) // (US1) Interrupt Disable Register
#define AT91C_US1_FIDI            (0xFFFC4040) // (US1) FI_DI_Ratio Register
#define AT91C_US1_BRGR            (0xFFFC4020) // (US1) Baud Rate Generator Register
#define AT91C_US1_TTGR            (0xFFFC4028) // (US1) Transmitter Time-guard Register
#define AT91C_US1_IF              (0xFFFC404C) // (US1) IRDA_FILTER Register
#define AT91C_US1_NER             (0xFFFC4044) // (US1) Nb Errors Register
#define AT91C_US1_MR              (0xFFFC4004) // (US1) Mode Register
// ========== Register definition for PDC_US0 peripheral ========== 
#define AT91C_US0_PTCR            (0xFFFC0120) // (PDC_US0) PDC Transfer Control Register
#define AT91C_US0_TNPR            (0xFFFC0118) // (PDC_US0) Transmit Next Pointer Register
#define AT91C_US0_RNPR            (0xFFFC0110) // (PDC_US0) Receive Next Pointer Register
#define AT91C_US0_TPR             (0xFFFC0108) // (PDC_US0) Transmit Pointer Register
#define AT91C_US0_RPR             (0xFFFC0100) // (PDC_US0) Receive Pointer Register
#define AT91C_US0_PTSR            (0xFFFC0124) // (PDC_US0) PDC Transfer Status Register
#define AT91C_US0_TNCR            (0xFFFC011C) // (PDC_US0) Transmit Next Counter Register
#define AT91C_US0_RNCR            (0xFFFC0114) // (PDC_US0) Receive Next Counter Register
#define AT91C_US0_TCR             (0xFFFC010C) // (PDC_US0) Transmit Counter Register
#define AT91C_US0_RCR             (0xFFFC0104) // (PDC_US0) Receive Counter Register
// ========== Register definition for US0 peripheral ========== 
#define AT91C_US0_TTGR            (0xFFFC0028) // (US0) Transmitter Time-guard Register
#define AT91C_US0_BRGR            (0xFFFC0020) // (US0) Baud Rate Generator Register
#define AT91C_US0_RHR             (0xFFFC0018) // (US0) Receiver Holding Register
#define AT91C_US0_IMR             (0xFFFC0010) // (US0) Interrupt Mask Register
#define AT91C_US0_NER             (0xFFFC0044) // (US0) Nb Errors Register
#define AT91C_US0_RTOR            (0xFFFC0024) // (US0) Receiver Time-out Register
#define AT91C_US0_XXR             (0xFFFC0048) // (US0) XON_XOFF Register
#define AT91C_US0_FIDI            (0xFFFC0040) // (US0) FI_DI_Ratio Register
#define AT91C_US0_CR              (0xFFFC0000) // (US0) Control Register
#define AT91C_US0_IER             (0xFFFC0008) // (US0) Interrupt Enable Register
#define AT91C_US0_IF              (0xFFFC004C) // (US0) IRDA_FILTER Register
#define AT91C_US0_MR              (0xFFFC0004) // (US0) Mode Register
#define AT91C_US0_IDR             (0xFFFC000C) // (US0) Interrupt Disable Register
#define AT91C_US0_CSR             (0xFFFC0014) // (US0) Channel Status Register
#define AT91C_US0_THR             (0xFFFC001C) // (US0) Transmitter Holding Register
// ========== Register definition for TWI peripheral ========== 
#define AT91C_TWI_RHR             (0xFFFB8030) // (TWI) Receive Holding Register
#define AT91C_TWI_IDR             (0xFFFB8028) // (TWI) Interrupt Disable Register
#define AT91C_TWI_SR              (0xFFFB8020) // (TWI) Status Register
#define AT91C_TWI_CWGR            (0xFFFB8010) // (TWI) Clock Waveform Generator Register
#define AT91C_TWI_SMR             (0xFFFB8008) // (TWI) Slave Mode Register
#define AT91C_TWI_CR              (0xFFFB8000) // (TWI) Control Register
#define AT91C_TWI_THR             (0xFFFB8034) // (TWI) Transmit Holding Register
#define AT91C_TWI_IMR             (0xFFFB802C) // (TWI) Interrupt Mask Register
#define AT91C_TWI_IER             (0xFFFB8024) // (TWI) Interrupt Enable Register
#define AT91C_TWI_IADR            (0xFFFB800C) // (TWI) Internal Address Register
#define AT91C_TWI_MMR             (0xFFFB8004) // (TWI) Master Mode Register
// ========== Register definition for TC2 peripheral ========== 
#define AT91C_TC2_IMR             (0xFFFA00AC) // (TC2) Interrupt Mask Register
#define AT91C_TC2_IER             (0xFFFA00A4) // (TC2) Interrupt Enable Register
#define AT91C_TC2_RC              (0xFFFA009C) // (TC2) Register C
#define AT91C_TC2_RA              (0xFFFA0094) // (TC2) Register A
#define AT91C_TC2_CMR             (0xFFFA0084) // (TC2) Channel Mode Register (Capture Mode / Waveform Mode)
#define AT91C_TC2_IDR             (0xFFFA00A8) // (TC2) Interrupt Disable Register
#define AT91C_TC2_SR              (0xFFFA00A0) // (TC2) Status Register
#define AT91C_TC2_RB              (0xFFFA0098) // (TC2) Register B
#define AT91C_TC2_CV              (0xFFFA0090) // (TC2) Counter Value
#define AT91C_TC2_CCR             (0xFFFA0080) // (TC2) Channel Control Register
// ========== Register definition for TC1 peripheral ========== 
#define AT91C_TC1_IMR             (0xFFFA006C) // (TC1) Interrupt Mask Register
#define AT91C_TC1_IER             (0xFFFA0064) // (TC1) Interrupt Enable Register
#define AT91C_TC1_RC              (0xFFFA005C) // (TC1) Register C
#define AT91C_TC1_RA              (0xFFFA0054) // (TC1) Register A
#define AT91C_TC1_CMR             (0xFFFA0044) // (TC1) Channel Mode Register (Capture Mode / Waveform Mode)
#define AT91C_TC1_IDR             (0xFFFA0068) // (TC1) Interrupt Disable Register
#define AT91C_TC1_SR              (0xFFFA0060) // (TC1) Status Register
#define AT91C_TC1_RB              (0xFFFA0058) // (TC1) Register B
#define AT91C_TC1_CV              (0xFFFA0050) // (TC1) Counter Value
#define AT91C_TC1_CCR             (0xFFFA0040) // (TC1) Channel Control Register
// ========== Register definition for TC0 peripheral ========== 
#define AT91C_TC0_IMR             (0xFFFA002C) // (TC0) Interrupt Mask Register
#define AT91C_TC0_IER             (0xFFFA0024) // (TC0) Interrupt Enable Register
#define AT91C_TC0_RC              (0xFFFA001C) // (TC0) Register C
#define AT91C_TC0_RA              (0xFFFA0014) // (TC0) Register A
#define AT91C_TC0_CMR             (0xFFFA0004) // (TC0) Channel Mode Register (Capture Mode / Waveform Mode)
#define AT91C_TC0_IDR             (0xFFFA0028) // (TC0) Interrupt Disable Register
#define AT91C_TC0_SR              (0xFFFA0020) // (TC0) Status Register
#define AT91C_TC0_RB              (0xFFFA0018) // (TC0) Register B
#define AT91C_TC0_CV              (0xFFFA0010) // (TC0) Counter Value
#define AT91C_TC0_CCR             (0xFFFA0000) // (TC0) Channel Control Register
// ========== Register definition for TCB peripheral ========== 
#define AT91C_TCB_BMR             (0xFFFA00C4) // (TCB) TC Block Mode Register
#define AT91C_TCB_BCR             (0xFFFA00C0) // (TCB) TC Block Control Register
// ========== Register definition for PWMC_CH3 peripheral ========== 
#define AT91C_CH3_CUPDR           (0xFFFCC270) // (PWMC_CH3) Channel Update Register
#define AT91C_CH3_CPRDR           (0xFFFCC268) // (PWMC_CH3) Channel Period Register
#define AT91C_CH3_CMR             (0xFFFCC260) // (PWMC_CH3) Channel Mode Register
#define AT91C_CH3_Reserved        (0xFFFCC274) // (PWMC_CH3) Reserved
#define AT91C_CH3_CCNTR           (0xFFFCC26C) // (PWMC_CH3) Channel Counter Register
#define AT91C_CH3_CDTYR           (0xFFFCC264) // (PWMC_CH3) Channel Duty Cycle Register
// ========== Register definition for PWMC_CH2 peripheral ========== 
#define AT91C_CH2_CUPDR           (0xFFFCC250) // (PWMC_CH2) Channel Update Register
#define AT91C_CH2_CPRDR           (0xFFFCC248) // (PWMC_CH2) Channel Period Register
#define AT91C_CH2_CMR             (0xFFFCC240) // (PWMC_CH2) Channel Mode Register
#define AT91C_CH2_Reserved        (0xFFFCC254) // (PWMC_CH2) Reserved
#define AT91C_CH2_CCNTR           (0xFFFCC24C) // (PWMC_CH2) Channel Counter Register
#define AT91C_CH2_CDTYR           (0xFFFCC244) // (PWMC_CH2) Channel Duty Cycle Register
// ========== Register definition for PWMC_CH1 peripheral ========== 
#define AT91C_CH1_CUPDR           (0xFFFCC230) // (PWMC_CH1) Channel Update Register
#define AT91C_CH1_CPRDR           (0xFFFCC228) // (PWMC_CH1) Channel Period Register
#define AT91C_CH1_CMR             (0xFFFCC220) // (PWMC_CH1) Channel Mode Register
#define AT91C_CH1_Reserved        (0xFFFCC234) // (PWMC_CH1) Reserved
#define AT91C_CH1_CCNTR           (0xFFFCC22C) // (PWMC_CH1) Channel Counter Register
#define AT91C_CH1_CDTYR           (0xFFFCC224) // (PWMC_CH1) Channel Duty Cycle Register
// ========== Register definition for PWMC_CH0 peripheral ========== 
#define AT91C_CH0_CUPDR           (0xFFFCC210) // (PWMC_CH0) Channel Update Register
#define AT91C_CH0_CPRDR           (0xFFFCC208) // (PWMC_CH0) Channel Period Register
#define AT91C_CH0_CMR             (0xFFFCC200) // (PWMC_CH0) Channel Mode Register
#define AT91C_CH0_Reserved        (0xFFFCC214) // (PWMC_CH0) Reserved
#define AT91C_CH0_CCNTR           (0xFFFCC20C) // (PWMC_CH0) Channel Counter Register
#define AT91C_CH0_CDTYR           (0xFFFCC204) // (PWMC_CH0) Channel Duty Cycle Register
// ========== Register definition for PWMC peripheral ========== 
#define AT91C_PWMC_VR             (0xFFFCC0FC) // (PWMC) PWMC Version Register
#define AT91C_PWMC_ISR            (0xFFFCC01C) // (PWMC) PWMC Interrupt Status Register
#define AT91C_PWMC_IDR            (0xFFFCC014) // (PWMC) PWMC Interrupt Disable Register
#define AT91C_PWMC_SR             (0xFFFCC00C) // (PWMC) PWMC Status Register
#define AT91C_PWMC_ENA            (0xFFFCC004) // (PWMC) PWMC Enable Register
#define AT91C_PWMC_IMR            (0xFFFCC018) // (PWMC) PWMC Interrupt Mask Register
#define AT91C_PWMC_MR             (0xFFFCC000) // (PWMC) PWMC Mode Register
#define AT91C_PWMC_DIS            (0xFFFCC008) // (PWMC) PWMC Disable Register
#define AT91C_PWMC_IER            (0xFFFCC010) // (PWMC) PWMC Interrupt Enable Register
// ========== Register definition for UDP peripheral ========== 
#define AT91C_UDP_ISR             (0xFFFB001C) // (UDP) Interrupt Status Register
#define AT91C_UDP_IDR             (0xFFFB0014) // (UDP) Interrupt Disable Register
#define AT91C_UDP_GLBSTATE        (0xFFFB0004) // (UDP) Global State Register
#define AT91C_UDP_FDR             (0xFFFB0050) // (UDP) Endpoint FIFO Data Register
#define AT91C_UDP_CSR             (0xFFFB0030) // (UDP) Endpoint Control and Status Register
#define AT91C_UDP_RSTEP           (0xFFFB0028) // (UDP) Reset Endpoint Register
#define AT91C_UDP_ICR             (0xFFFB0020) // (UDP) Interrupt Clear Register
#define AT91C_UDP_IMR             (0xFFFB0018) // (UDP) Interrupt Mask Register
#define AT91C_UDP_IER             (0xFFFB0010) // (UDP) Interrupt Enable Register
#define AT91C_UDP_FADDR           (0xFFFB0008) // (UDP) Function Address Register
#define AT91C_UDP_NUM             (0xFFFB0000) // (UDP) Frame Number Register

// *****************************************************************************
//               PIO DEFINITIONS FOR AT91SAM7S64
// *****************************************************************************
#define AT91C_PIO_PA0             (1 <<  0) // Pin Controlled by PA0
#define AT91C_PA0_PWM0            (AT91C_PIO_PA0) //  PWM Channel 0
#define AT91C_PA0_TIOA0           (AT91C_PIO_PA0) //  Timer Counter 0 Multipurpose Timer I/O Pin A
#define AT91C_PIO_PA1             (1 <<  1) // Pin Controlled by PA1
#define AT91C_PA1_PWM1            (AT91C_PIO_PA1) //  PWM Channel 1
#define AT91C_PA1_TIOB0           (AT91C_PIO_PA1) //  Timer Counter 0 Multipurpose Timer I/O Pin B
#define AT91C_PIO_PA10            (1 << 10) // Pin Controlled by PA10
#define AT91C_PA10_DTXD           (AT91C_PIO_PA10) //  DBGU Debug Transmit Data
#define AT91C_PA10_NPCS2          (AT91C_PIO_PA10) //  SPI Peripheral Chip Select 2
#define AT91C_PIO_PA11            (1 << 11) // Pin Controlled by PA11
#define AT91C_PA11_NPCS0          (AT91C_PIO_PA11) //  SPI Peripheral Chip Select 0
#define AT91C_PA11_PWM0           (AT91C_PIO_PA11) //  PWM Channel 0
#define AT91C_PIO_PA12            (1 << 12) // Pin Controlled by PA12
#define AT91C_PA12_MISO           (AT91C_PIO_PA12) //  SPI Master In Slave
#define AT91C_PA12_PWM1           (AT91C_PIO_PA12) //  PWM Channel 1
#define AT91C_PIO_PA13            (1 << 13) // Pin Controlled by PA13
#define AT91C_PA13_MOSI           (AT91C_PIO_PA13) //  SPI Master Out Slave
#define AT91C_PA13_PWM2           (AT91C_PIO_PA13) //  PWM Channel 2
#define AT91C_PIO_PA14            (1 << 14) // Pin Controlled by PA14
#define AT91C_PA14_SPCK           (AT91C_PIO_PA14) //  SPI Serial Clock
#define AT91C_PA14_PWM3           (AT91C_PIO_PA14) //  PWM Channel 3
#define AT91C_PIO_PA15            (1 << 15) // Pin Controlled by PA15
#define AT91C_PA15_TF             (AT91C_PIO_PA15) //  SSC Transmit Frame Sync
#define AT91C_PA15_TIOA1          (AT91C_PIO_PA15) //  Timer Counter 1 Multipurpose Timer I/O Pin A
#define AT91C_PIO_PA16            (1 << 16) // Pin Controlled by PA16
#define AT91C_PA16_TK             (AT91C_PIO_PA16) //  SSC Transmit Clock
#define AT91C_PA16_TIOB1          (AT91C_PIO_PA16) //  Timer Counter 1 Multipurpose Timer I/O Pin B
#define AT91C_PIO_PA17            (1 << 17) // Pin Controlled by PA17
#define AT91C_PA17_TD             (AT91C_PIO_PA17) //  SSC Transmit data
#define AT91C_PA17_PCK1           (AT91C_PIO_PA17) //  PMC Programmable Clock Output 1
#define AT91C_PIO_PA18            (1 << 18) // Pin Controlled by PA18
#define AT91C_PA18_RD             (AT91C_PIO_PA18) //  SSC Receive Data
#define AT91C_PA18_PCK2           (AT91C_PIO_PA18) //  PMC Programmable Clock Output 2
#define AT91C_PIO_PA19            (1 << 19) // Pin Controlled by PA19
#define AT91C_PA19_RK             (AT91C_PIO_PA19) //  SSC Receive Clock
#define AT91C_PA19_FIQ            (AT91C_PIO_PA19) //  AIC Fast Interrupt Input
#define AT91C_PIO_PA2             (1 <<  2) // Pin Controlled by PA2
#define AT91C_PA2_PWM2            (AT91C_PIO_PA2) //  PWM Channel 2
#define AT91C_PA2_SCK0            (AT91C_PIO_PA2) //  USART 0 Serial Clock
#define AT91C_PIO_PA20            (1 << 20) // Pin Controlled by PA20
#define AT91C_PA20_RF             (AT91C_PIO_PA20) //  SSC Receive Frame Sync
#define AT91C_PA20_IRQ0           (AT91C_PIO_PA20) //  External Interrupt 0
#define AT91C_PIO_PA21            (1 << 21) // Pin Controlled by PA21
#define AT91C_PA21_RXD1           (AT91C_PIO_PA21) //  USART 1 Receive Data
#define AT91C_PA21_PCK1           (AT91C_PIO_PA21) //  PMC Programmable Clock Output 1
#define AT91C_PIO_PA22            (1 << 22) // Pin Controlled by PA22
#define AT91C_PA22_TXD1           (AT91C_PIO_PA22) //  USART 1 Transmit Data
#define AT91C_PA22_NPCS3          (AT91C_PIO_PA22) //  SPI Peripheral Chip Select 3
#define AT91C_PIO_PA23            (1 << 23) // Pin Controlled by PA23
#define AT91C_PA23_SCK1           (AT91C_PIO_PA23) //  USART 1 Serial Clock
#define AT91C_PA23_PWM0           (AT91C_PIO_PA23) //  PWM Channel 0
#define AT91C_PIO_PA24            (1 << 24) // Pin Controlled by PA24
#define AT91C_PA24_RTS1           (AT91C_PIO_PA24) //  USART 1 Ready To Send
#define AT91C_PA24_PWM1           (AT91C_PIO_PA24) //  PWM Channel 1
#define AT91C_PIO_PA25            (1 << 25) // Pin Controlled by PA25
#define AT91C_PA25_CTS1           (AT91C_PIO_PA25) //  USART 1 Clear To Send
#define AT91C_PA25_PWM2           (AT91C_PIO_PA25) //  PWM Channel 2
#define AT91C_PIO_PA26            (1 << 26) // Pin Controlled by PA26
#define AT91C_PA26_DCD1           (AT91C_PIO_PA26) //  USART 1 Data Carrier Detect
#define AT91C_PA26_TIOA2          (AT91C_PIO_PA26) //  Timer Counter 2 Multipurpose Timer I/O Pin A
#define AT91C_PIO_PA27            (1 << 27) // Pin Controlled by PA27
#define AT91C_PA27_DTR1           (AT91C_PIO_PA27) //  USART 1 Data Terminal ready
#define AT91C_PA27_TIOB2          (AT91C_PIO_PA27) //  Timer Counter 2 Multipurpose Timer I/O Pin B
#define AT91C_PIO_PA28            (1 << 28) // Pin Controlled by PA28
#define AT91C_PA28_DSR1           (AT91C_PIO_PA28) //  USART 1 Data Set ready
#define AT91C_PA28_TCLK1          (AT91C_PIO_PA28) //  Timer Counter 1 external clock input
#define AT91C_PIO_PA29            (1 << 29) // Pin Controlled by PA29
#define AT91C_PA29_RI1            (AT91C_PIO_PA29) //  USART 1 Ring Indicator
#define AT91C_PA29_TCLK2          (AT91C_PIO_PA29) //  Timer Counter 2 external clock input
#define AT91C_PIO_PA3             (1 <<  3) // Pin Controlled by PA3
#define AT91C_PA3_TWD             (AT91C_PIO_PA3) //  TWI Two-wire Serial Data
#define AT91C_PA3_NPCS3           (AT91C_PIO_PA3) //  SPI Peripheral Chip Select 3
#define AT91C_PIO_PA30            (1 << 30) // Pin Controlled by PA30
#define AT91C_PA30_IRQ1           (AT91C_PIO_PA30) //  External Interrupt 1
#define AT91C_PA30_NPCS2          (AT91C_PIO_PA30) //  SPI Peripheral Chip Select 2
#define AT91C_PIO_PA31            (1 << 31) // Pin Controlled by PA31
#define AT91C_PA31_NPCS1          (AT91C_PIO_PA31) //  SPI Peripheral Chip Select 1
#define AT91C_PA31_PCK2           (AT91C_PIO_PA31) //  PMC Programmable Clock Output 2
#define AT91C_PIO_PA4             (1 <<  4) // Pin Controlled by PA4
#define AT91C_PA4_TWCK            (AT91C_PIO_PA4) //  TWI Two-wire Serial Clock
#define AT91C_PA4_TCLK0           (AT91C_PIO_PA4) //  Timer Counter 0 external clock input
#define AT91C_PIO_PA5             (1 <<  5) // Pin Controlled by PA5
#define AT91C_PA5_RXD0            (AT91C_PIO_PA5) //  USART 0 Receive Data
#define AT91C_PA5_NPCS3           (AT91C_PIO_PA5) //  SPI Peripheral Chip Select 3
#define AT91C_PIO_PA6             (1 <<  6) // Pin Controlled by PA6
#define AT91C_PA6_TXD0            (AT91C_PIO_PA6) //  USART 0 Transmit Data
#define AT91C_PA6_PCK0            (AT91C_PIO_PA6) //  PMC Programmable Clock Output 0
#define AT91C_PIO_PA7             (1 <<  7) // Pin Controlled by PA7
#define AT91C_PA7_RTS0            (AT91C_PIO_PA7) //  USART 0 Ready To Send
#define AT91C_PA7_PWM3            (AT91C_PIO_PA7) //  PWM Channel 3
#define AT91C_PIO_PA8             (1 <<  8) // Pin Controlled by PA8
#define AT91C_PA8_CTS0            (AT91C_PIO_PA8) //  USART 0 Clear To Send
#define AT91C_PA8_ADTRG           (AT91C_PIO_PA8) //  ADC External Trigger
#define AT91C_PIO_PA9             (1 <<  9) // Pin Controlled by PA9
#define AT91C_PA9_DRXD            (AT91C_PIO_PA9) //  DBGU Debug Receive Data
#define AT91C_PA9_NPCS1           (AT91C_PIO_PA9) //  SPI Peripheral Chip Select 1

// *****************************************************************************
//               PERIPHERAL ID DEFINITIONS FOR AT91SAM7S64
// *****************************************************************************
#define AT91C_ID_FIQ              ( 0) // Advanced Interrupt Controller (FIQ)
#define AT91C_ID_SYS              ( 1) // System Peripheral
#define AT91C_ID_PIOA             ( 2) // Parallel IO Controller
#define AT91C_ID_3_Reserved       ( 3) // Reserved
#define AT91C_ID_ADC              ( 4) // Analog-to-Digital Converter
#define AT91C_ID_SPI              ( 5) // Serial Peripheral Interface
#define AT91C_ID_US0              ( 6) // USART 0
#define AT91C_ID_US1              ( 7) // USART 1
#define AT91C_ID_SSC              ( 8) // Serial Synchronous Controller
#define AT91C_ID_TWI              ( 9) // Two-Wire Interface
#define AT91C_ID_PWMC             (10) // PWM Controller
#define AT91C_ID_UDP              (11) // USB Device Port
#define AT91C_ID_TC0              (12) // Timer Counter 0
#define AT91C_ID_TC1              (13) // Timer Counter 1
#define AT91C_ID_TC2              (14) // Timer Counter 2
#define AT91C_ID_15_Reserved      (15) // Reserved
#define AT91C_ID_16_Reserved      (16) // Reserved
#define AT91C_ID_17_Reserved      (17) // Reserved
#define AT91C_ID_18_Reserved      (18) // Reserved
#define AT91C_ID_19_Reserved      (19) // Reserved
#define AT91C_ID_20_Reserved      (20) // Reserved
#define AT91C_ID_21_Reserved      (21) // Reserved
#define AT91C_ID_22_Reserved      (22) // Reserved
#define AT91C_ID_23_Reserved      (23) // Reserved
#define AT91C_ID_24_Reserved      (24) // Reserved
#define AT91C_ID_25_Reserved      (25) // Reserved
#define AT91C_ID_26_Reserved      (26) // Reserved
#define AT91C_ID_27_Reserved      (27) // Reserved
#define AT91C_ID_28_Reserved      (28) // Reserved
#define AT91C_ID_29_Reserved      (29) // Reserved
#define AT91C_ID_IRQ0             (30) // Advanced Interrupt Controller (IRQ0)
#define AT91C_ID_IRQ1             (31) // Advanced Interrupt Controller (IRQ1)

// *****************************************************************************
//               BASE ADDRESS DEFINITIONS FOR AT91SAM7S64
// *****************************************************************************
#define AT91C_BASE_SYSC           (0xFFFFF000) // (SYSC) Base Address
#define AT91C_BASE_AIC            (0xFFFFF000) // (AIC) Base Address
#define AT91C_BASE_DBGU           (0xFFFFF200) // (DBGU) Base Address
#define AT91C_BASE_PDC_DBGU       (0xFFFFF300) // (PDC_DBGU) Base Address
#define AT91C_BASE_PIOA           (0xFFFFF400) // (PIOA) Base Address
#define AT91C_BASE_CKGR           (0xFFFFFC20) // (CKGR) Base Address
#define AT91C_BASE_PMC            (0xFFFFFC00) // (PMC) Base Address
#define AT91C_BASE_RSTC           (0xFFFFFD00) // (RSTC) Base Address
#define AT91C_BASE_RTTC           (0xFFFFFD20) // (RTTC) Base Address
#define AT91C_BASE_PITC           (0xFFFFFD30) // (PITC) Base Address
#define AT91C_BASE_WDTC           (0xFFFFFD40) // (WDTC) Base Address
#define AT91C_BASE_MC             (0xFFFFFF00) // (MC) Base Address
#define AT91C_BASE_PDC_SPI        (0xFFFE0100) // (PDC_SPI) Base Address
#define AT91C_BASE_SPI            (0xFFFE0000) // (SPI) Base Address
#define AT91C_BASE_PDC_ADC        (0xFFFD8100) // (PDC_ADC) Base Address
#define AT91C_BASE_ADC            (0xFFFD8000) // (ADC) Base Address
#define AT91C_BASE_PDC_SSC        (0xFFFD4100) // (PDC_SSC) Base Address
#define AT91C_BASE_SSC            (0xFFFD4000) // (SSC) Base Address
#define AT91C_BASE_PDC_US1        (0xFFFC4100) // (PDC_US1) Base Address
#define AT91C_BASE_US1            (0xFFFC4000) // (US1) Base Address
#define AT91C_BASE_PDC_US0        (0xFFFC0100) // (PDC_US0) Base Address
#define AT91C_BASE_US0            (0xFFFC0000) // (US0) Base Address
#define AT91C_BASE_TWI            (0xFFFB8000) // (TWI) Base Address
#define AT91C_BASE_TC2            (0xFFFA0080) // (TC2) Base Address
#define AT91C_BASE_TC1            (0xFFFA0040) // (TC1) Base Address
#define AT91C_BASE_TC0            (0xFFFA0000) // (TC0) Base Address
#define AT91C_BASE_TCB            (0xFFFA0000) // (TCB) Base Address
#define AT91C_BASE_PWMC_CH3       (0xFFFCC260) // (PWMC_CH3) Base Address
#define AT91C_BASE_PWMC_CH2       (0xFFFCC240) // (PWMC_CH2) Base Address
#define AT91C_BASE_PWMC_CH1       (0xFFFCC220) // (PWMC_CH1) Base Address
#define AT91C_BASE_PWMC_CH0       (0xFFFCC200) // (PWMC_CH0) Base Address
#define AT91C_BASE_PWMC           (0xFFFCC000) // (PWMC) Base Address
#define AT91C_BASE_UDP            (0xFFFB0000) // (UDP) Base Address

// *****************************************************************************
//               MEMORY MAPPING DEFINITIONS FOR AT91SAM7S64
// *****************************************************************************
#define AT91C_ISRAM	              (0x00200000) // Internal SRAM base address
#define AT91C_ISRAM_SIZE	         (0x00004000) // Internal SRAM size in byte (16 Kbyte)
#define AT91C_IFLASH	             (0x00100000) // Internal ROM base address
#define AT91C_IFLASH_SIZE	        (0x00010000) // Internal ROM size in byte (64 Kbyte)