The ATSAM3X8EA-AU is a Flash Microcontroller, based on the high performance 32-bit ARM® Cortex®-M3 RISC processor. It operates at a maximum speed of 84MHz and features up to 512kb of Flash and up to 100kb of SRAM. The peripheral set includes a high speed USB host and device port with embedded transceiver, an Ethernet MAC, 2 CANs, a high speed MCI for SDIO/SD/MMC, an external bus interface with NAND flash controller (NFC), 5 UARTs, 2 TWIs, 4 SPIs, as well as a PWM timer, three 3-channel general-purpose 32-bit timers, a low-power RTC, a low-power RTT, 256-bit general purpose backup registers, a 12-bit ADC and a 12-bit DAC.