Atmel AT91SAM7A3

The Atmel AT91SAM7A3 is an ARM7TDMI based High-performance 32-bit RISC Microcontroller with Thumb extensions with USB Device Interface, 62 I/O Pins, Memory Controller, Reset Controller, Clock Generator, Debug Unit, Power Management Controller, Advanced Interrupt Controller, Periodic Interval Timer, Windowed Watchdog, Real-time Clock, Three 3-channel 16-bit Timer/Counters, 8-channel PWM, Three USARTs, 2 Synchronous Serial Controllers (SSC), 2 Serial Peripheral Controllers (SPI), 2wire Interface, Two 8-channel 10-bit ADC, Multimedia Card Interface (MCI), Two CAN 2.0B Controllers, 256K Bytes Flash, 32 KBytes SRAM.

Development Tools Compiler, Assembler, Linker, Debugger MDK-ARM (Microcontroller Development Kit) Keil MDK-Lite Download Keil Data Sheets Datasheet 3,413,725 bytes Application Notes AT91 Application Notes Atmel Header Files AT91SAM7A3.H 235,168 bytes JTAG Debuggers ULINK-ME Keil ULINK2 Keil ULINKPro Keil J-Link ARM SEGGER Microcontroller FLASH Utilities ULINK2 Keil

MDK Middleware The following middleware components are pre-configured in MDK-Professional CAN Driver Keil USB Device Interface Keil Real-Time OS RTX Real-Time Operating System Keil Simulated Features The following on-chip peripherals are simulated by the Keil Software µVision Debugger. Advanced Interrupt Controller CAN Interfaces 0-1 Debug Unit Memory Controller Periodic Interval Timer Peripheral Data Controller PIO A (32 I/O Lines) PIO B (30 I/O Lines) Power Management Controller Real-time Timer Reset Controller Timer/Counter USARTs 0-2 Voltage Regulator Watchdog Timer The following on-chip peripherals are not simulated. Analog/Digital Converters 0-1 Embedded Flash Controller Multimedia Card Interface Pulse Width Modulation Controller Serial Peripheral Interfaces 0-1 Shutdown Controller Synchronous Serial Controllers 0-1 Two-wire Interface USB Device Interface