| 1 | GPIO0 | SPI0_RX/I2C0_SDA/UART0_TX |
| 2 | GPIO1 | SPI0_CSn/I2C0_SCL/UART0_RX |
| 3 | GND | 电源地 |
| 4 | GPIO2 | SPI0_SCK/I2C1_SDA |
| 5 | GPIO3 | SPI0_TX/I2C1_SCL |
| 6 | GPIO4 | SPI0_RX/I2C0_SDA/UART1_TX |
| 7 | GPIO5 | SPI0_CSn/I2C0_SCL/UART1_RX |
| 8 | GND | 电源地 |
| 9 | GPIO6 | SPI0_SCK/I2C1_SDA |
| 10 | GPIO7 | SPI0_TX/I2C1_SCL |
| 11 | GPIO8 | SPI1_RX/I2C0_SDA/UART1_TX |
| 12 | GPIO9 | SPI1_CSn/I2C0_SCL/UART1_RX |
| 13 | GND | 电源地 |
| 14 | GPIO10 | SPI1_SCK/I2C1_SDA |
| 15 | GPIO11 | SPI1_TX/I2C1_SCL |
| 16 | GPIO12 | SPI1_RX/I2C0_SDA/UART0_TX |
| 17 | GPIO13 | SPI1_CSn/I2C0_SCL/UART0_RX |
| 18 | GND | 电源地 |
| 19 | GPIO14 | SPI1_SCK/I2C1_SDA |
| 20 | GPIO15 | SPI1_TX/I2C1_SCL |
| 21 | GPIO16 | SPI0_RX/I2C0_SDA/UART0_TX |
| 22 | GPIO17 | SPI0_CSn/I2C0_SCL/UART0_RX |
| 23 | GND | 电源地 |
| 24 | GPIO18 | SPI0_SCK/I2C1_SDA |
| 25 | GPIO19 | SPI0_TX/I2C1_SCL |
| 26 | GPIO20 | I2C0_SDA |
| 27 | GPIO21 | I2C0_SCL |
| 28 | GND | 电源地 |
| 29 | GPIO22 | - |
| 30 | RUN | - |
| 31 | GPIO26 | ADC0/I2C1_SDA |
| 32 | GPIO27 | ADC1/I2C1_SCL |
| 33 | GND | 电源地 |
| 34 | GPIO28 | ADC2 |
| 35 | ADC_VREF | ADC参考电压 |
| 36 | 3V3(OUT) | 3.3V输出 |
| 37 | 3V3_EN | 3.3V输出使能 |
| 38 | GND | 电源地 |
| 39 | VSYS | 5V输入 |
| 40 | VBUS | 5V输出 |
