| 1 | IO06 | SPI_SCK | GPIO6/PWM6/UART2_RTS/SPI1_SCK/SPI0_OUT |
| 2 | IO00 | SPI_NSS | GPIO0/PWM0/SPI1_CSN/JTAG_TDI |
| 3 | NC | - | - |
| 4 | IO09 | GPIO | GPIO9/PWM1/SPI0_OUT/I2S_DO/JTAG_TDO/ADC2 |
| 5 | IO12 | ADC | GPIO12/PWM4/I2S_DI/ADC5 |
| 6 | IO02 | GPIO | GPIO2/PWM2/SPI_IO3 |
| 7 | IO10 | GPIO | GPIO10/PWM2/SPI0_CS0_N/I2S_SCLK/ADC3 |
| 8 | IO11 | GPIO | GPIO11/PWM3/SPI0_IN/I2S_LRCLK/ADC4 |
| 9 | IO16 | IIC_SCL | GPIO16/UART1_RXD/I2C1_SCL |
| 10 | IO15 | IIC_SDA | GPIO15/UART1_TXD/I2C1_SDA |
| 11 | IO14 | GPIO | GPIO14/UART1_RTS/JTAG_TCK/SWC |
| 12 | IO07 | UART_RX | GPIO7/PWM7/UART2_RXD/SPI0_SCK/I2S_MCLK/ADC0 |
| 13 | IO08 | UART_TX | GPIO8/PWM0/UART2_TXD/SPI0_CS1_N/ADC1 |
| 14 | IO13 | GPIO | GPIO13/UART_CTS/JTAG_TMS/SWD |
| 15 | IO04 | SPI_MOSI | GPIO4/PWM4/SPI1_IO1/JTAG_ENABLE |
| 16 | IO01 | SPI_MISO | GPIO1/PWM1/SPI1_IO0/SO |
| 17 | GND | 电源地 | - |
| 18 | V3.3 | 3.3V输出 | - |
| 19 | GND | 电源地 | - |
| 20 | V5.0 | 5V输出 | - |
