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Processor

Details on the processor board and its components
The processor board of M2 contains the brains and the communication circuitry. It features 6 LEDs (5 one-color and 1 RGB LED), 4 switches (2 user switches, RESET and ERASE), an EEPROM, an SD car socket, a Native USB port (that can act as both a USB device or host), and a XBee form factor socket,
M2 uses the same processor as the Arduino Due.
More information, including original Due schematics found here: https://www.arduino.cc/en/Main/ArduinoBoardDue