Description Microcontroller AT91SAM3X8E Operating Voltage 3.3V Input Voltage (Recommended) 7-12V Input Voltage (Limits) 6-16V Digital I/O Pins 54 (Of Which 12 Provide PWM Output) Analog Input Pins 12 Analog Output Pins 2 (DAC) Total DC Output Current on All I/O Lines 130 mA DC Current for 3.3V Pin 800 mA DC Current for 5V Pin 800 mA Flash Memory 512 KB all available for the user applications SRAM 96 KB (two banks: 64KB and 32KB) Clock Speed 84 MHz Size 101.52 X 53.3 mm Weight 36g