Atmel AT91SAM7A1

The Atmel AT91SAM7A1 is an ARM7TDMI based High-performance 32-bit RISC Microcontroller with Thumb extensions, 49 I/O Pins, Memory Controller, Reset Controller, Clock Generator, Power Management Controller, Advanced Interrupt Controller, Periodic Interval Timer, Windowed Watchdog, Real-time Clock, 9 16-bit Timer/Counters, 8-channel 10-bit ADC 4 KBytes SRAM.