CubieBoard Pinout
CubieBoard U14 Expansion Header
| Pin | Name | Function | Type |
|---|
| 1 | VCC-3V3 | 3.3V Power | Power |
| 2 | VCC-5V | 5V Power | Power |
| 3 | PB20 | I2C2-SDA / GPIO | I2C/GPIO |
| 4 | VCC-5V | 5V Power | Power |
| 5 | PB21 | I2C2-SCL / GPIO | I2C/GPIO |
| 6 | GND | Ground | Ground |
| 7 | PI3 | GPIO / PWM1 | GPIO/PWM |
| 8 | PH0 | UART3-TX / GPIO | UART/GPIO |
| 9 | GND | Ground | Ground |
| 10 | PH1 | UART3-RX / GPIO | UART/GPIO |
| 11 | PI19 | UART2-RX / GPIO | UART/GPIO |
| 12 | PI18 | UART2-TX / GPIO | UART/GPIO |
| 13 | PI17 | UART2-CTS / GPIO | GPIO |
| 14 | GND | Ground | Ground |
| 15 | PI16 | UART2-RTS / GPIO | GPIO |
| 16 | PC3 | SPI0-CS0 / GPIO | SPI/GPIO |
| 17 | VCC-3V3 | 3.3V Power | Power |
| 18 | PC7 | SPI0-CS1 / GPIO | SPI/GPIO |
| 19 | PC0 | SPI0-MOSI / GPIO | SPI/GPIO |
| 20 | GND | Ground | Ground |
| 21 | PC1 | SPI0-MISO / GPIO | SPI/GPIO |
| 22 | PI14 | GPIO | GPIO |
| 23 | PC2 | SPI0-CLK / GPIO | SPI/GPIO |
| 24 | PI15 | GPIO | GPIO |