| 复用功能1 | Pin号 |
|---|---|
| USB ID | 1 |
| USB DM | 2 |
| USB DP | 3 |
| USB GND | 4 |
| PIN | 5 |
| PIN | 6 |
| PIN | 7 |
| PIN | 8 |
| PIN | 9 |
| PIN | 10 |
| PIN | 11 |
| PIN | 12 |
| SPK_R | 13 |
| SPK_L | 14 |
| SPI_CS | 15 |
| SPI_CLK | 16 |
| SPI_MOSI | 17 |
| SPI_MISO | 18 |
| IIC0_SCL | 19 |
| IIC0_SDA | 20 |
| IIC1_SCL | 21 |
| IIC1_SDA | 22 |
| Pin号 | 复用功能1 |
|---|---|
| 44 | 5V |
| 43 | 5V |
| 42 | GND |
| 41 | GPIO_A8 |
| 40 | SPK_EN |
| 39 | ADC_IN |
| 38 | RJ45_ORG |
| 37 | RJ45_GRN |
| 36 | RJ45_TP |
| 35 | RJ45_TN |
| 34 | RJ45_RP |
| 33 | RJ45_RN |
| 32 | WIFI_EN |
| 31 | USART3_RTS |
| 30 | USART3_CTS |
| 29 | USART3_RX |
| 28 | USART3_TX |
| 27 | UART2_RX |
| 26 | UART2_TX |
| 25 | UART1_RX |
| 24 | UART1_TX |
| 23 | PWM |