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.