Pinout map(V11):
| SIGNAL | PIN | PIN | SIGNAL |
|---|---|---|---|
| 5V | 1 | 21 | GND |
| 5V | 2 | 22 | I2C_M3_SCL |
| USB_DM | 3 | 23 | I2C_M3_SDA |
| USB_DP | 4 | 24 | GND |
| GND | 5 | 25 | I2C_AO_SCK |
| VCC_MCU | 6 | 26 | I2C_AO_SDA |
| MCU_NRST | 7 | 27 | 3.3V |
| MCU_SWIM | 8 | 28 | GND |
| GND | 9 | 29 | I2SB_SCLK |
| ADC_CH0 | 10 | 30 | I2S_MCLK0 |
| 1.8V | 11 | 31 | I2SB_SDO |
| ADC_CH3 | 12 | 32 | I2SB_LRCK |
| SPDIF_OUT | 13 | 33 | I2SB_SDI |
| GND | 14 | 34 | GND |
| UARTC_RX | 15 | 35 | PWM_F |
| UARTC_TX | 16 | 36 | RTC_CLK |
| GND | 17 | 37 | GPIOH_4 |
| Linux_RX | 18 | 38 | MCU_PA1 |
| Linux_TX | 19 | 39 | GPIODZ_15 |
| 3.3V | 20 | 40 | GND |