| 功能 | Pin# | Pin# | 功能 |
|---|---|---|---|
| GEN_3V3 | 1 | 2 | GEN_3V3 |
| SPI0_CS0 | 3 | 4 | SPI3_CS0 |
| SPI0_SCK | 5 | 6 | SPI3_SCK |
| SPI0_MISO | 7 | 8 | SPI3_MISO |
| SPI0_MOSI | 9 | 10 | SPI3_MOSI |
| GPIO3_IO20 | 11 | 12 | I2C3_SCL |
| GPIO4_IO03 | 13 | 14 | I2C3_SDA |
| GPIO4_IO05 | 15 | 16 | I2C0_SCL33 |
| GPIO1_IO01 | 17 | 18 | I2C0_SDA33 |
| GND | 19 | 20 | GND |
