The EM-AT91SAM3U is a low-cost development board based on the Atmel AT91SAM3U Cortex-M3 microcontroller. The board features 256Kbytes of integrated Flash memory and 64Kbytes of SRAM. It also offers standard interfaces including an Ethernet port, a USB host and device port, CAN, I2S and UART. Additional hardware functionality includes two headers for connecting other expansion boards, two user LEDs and two user push buttons. The embedded software platform includes a comprehensive suite of development tools, libraries and demo applications, as well as a choice of either uTasker or FreeRTOS real-time operating systems.