Atmel AT91SAM7S32

The Atmel AT91SAM7S32 is an ARM7TDMI based High-performance 32-bit RISC Microcontroller with Thumb extensions, 21 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, 3-channel 16-bit Timer/Counters, 4-channel PWM, Two USARTs, Synchronous Serial Controller, Serial Peripheral Controller, 2wire Interface, 4-channel 10-bit ADC, 32K Bytes Flash, 8K Bytes SRAM.