Atmel AT91RM3400

The Atmel AT91RM3400 is an ARM7TDMI processor with 96K bytes of SRAM, 256K bytes of ROM, USB Device Interface, Power Management Controller, Real Time Clock, System Timer, Synchronous Serial Controller, 6-channel Timer Counter, 4-channel USART, Two-wire Interface, Serial Peripheral Interface, Parallel I/O Controller (63 I/O lines).