Board ARM Cortex-M3 32-bit (Atmel SAM3X8E)
| VIN | External DC Input |
|---|---|
| 5V | 5V Output (USB/Regulated) |
| 3V3 | 3.3V Output |
| GND1 | Ground |
| GND2 | Ground |
| RESET | Reset |
| AREF | Analog Reference |
| A0-A11 | Analog Inputs (12-bit) |
| D0 | RX0 |
| D1 | TX0 |
| D2 | Digital |
| D3 | Digital |
| D4 | Digital |
| D5 | PWM |
| D6 | PWM |
| D7 | Digital |
| D8 | Digital |
| D9 | PWM |
| D10 | PWM / SS |
| D11 | MOSI |
| D12 | MISO |
| D13 | SCK / LED |
| UART1 | TX1/RX1 |
| UART2 | TX2/RX2 |
| UART3 | TX3/RX3 |
| ICSP | SPI header (MISO/MOSI/SCK + VCC + GND + RESET) |