Atmel AT91SAM7A2

The Atmel AT91SAM7A2 is an ARM7TDMI based High-performance 32-bit RISC Microcontroller with Thumb extensions, 57 I/O Pins, Memory Controller, Reset Controller, Clock Generator, Power Management Controller, Advanced Interrupt Controller, Periodic Interval Timer, Windowed Watchdog, Real-time Clock, 3 3-channel 16-bit Timer/Counters, 4-channel PWM, 16 KBytes SRAM.