Atmel AT91SAM3U1C

The Atmel AT91SAM3U1C is a Core: ARM 32-bit Cortex-M3 Microcontroller with MPU, CPU clock up to 84MHz Memories: 64kB Embedded Flash with Memory Accelerator 20kB Embedded SRAM 16kB ROM with Embedded Bootloader Routines and IAP Routines Specific Features: - High Speed USB 2.0 Device - External Bus Interface (EBI), 8 bits, 2 chip selects, 8-bit address - 4-channel 12-bit 1 MSPS ADC - 4-channel 10-bit ADC - 3 * USART - 1 * TWI - 57 GPIO pins.