MCU: ATSAM3S4BA Cortex M3™ with 256K Bytes Program Flash,48K Bytes RAM, USB 2.0, RTT, 10 bit ADC 384 ksps, 2x UARTs, TWI (I2C), SPI, 3x 32bit TIMERS, 4x PWM, SSC, WDT, PDC (DMA) for all peripherals, up to 64MHz operation
Two RS232 connectors and drivers
SD/MMC card connector
Standard JTAG connector with ARM 2x10 pin layout for programming/debugging with ARM-JTAG