硬件接口说明
接口总览
- Radxa E25
26 PIN GPIO
GPIO 电压
| GPIO | 电压 | 最高 |
|---|---|---|
| 所有的 GPIO | 3.3V | 3.63V |
| SARADC_IN5 | 3.3V | 3.3V |
GPIO 接口
E25 提供了一个 26 pin 针脚的 GPIO 座子
提示：实际兼容情况以使用情况为准。
| Gpio number | Function3 | Function2 | Function1 | GPIO | PIN | PIN | GPIO | Function1 | Function2 | Function3 | Gpio number |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3.3V | 1 | 2 | 5V | ||||||||
| 32 | I2C3_SDA_M0 | CAN1_RX_M0 | UART3_RX_M0 | GPIO1_A0 | 3 | 3 | 5V | ||||
| 33 | I2C3_SCL_M0 | CAN1_TX_M0 | UART3_TX_M0 | GPIO1_A1 | 5 | 6 | GND | ||||
| 111 | UART3_TX_M1 | PWM12_M0 | GPIO3_B7 | 7 | 8 | GPIO3_C2 | SPI1_MISO_M1 | UART5_TX_M1 | I2S1_SDO3_M2 | 114 | |
| GND | 9 | 10 | GPIO3_C3 | SPI1_CLK_M1 | UART5_RX_M1 | I2S1_SCLK_RX_M2 | 115 | ||||
| 116 | UART7_TX_M1 | PWM14_M0 | GPIO3_C4 | 11 | 12 | GPIO3_A3 | 99 | ||||
| 117 | I2S1_LRCK_RX_M2 | UART7_RX_M1 | PWM15_IR_M0 | GPIO3_C5 | 13 | 14 | GND | ||||
| 113 | I2S1_SDO2_M2 | SPI1_MOSI_M1 | GPIO3_C1 | 15 | 16 | GPIO2_D2 | SPI0_CSO_M1 | I2S1_LRCK_TX_M2 | 90 | ||
| 97 | SPI1_CS0_M1 | GPIO3_A1 | 17 | 18 | GPIO0_C6 | PWM7_IR | 22 | ||||
| 89 | I2S1_SCLK_TX_M2 | SPI0_MOSI_M1 | GPIO2_D1 | 19 | 20 | GND | |||||
| 88 | I2S1_MCLK_M2 | SPI0_MISO_M1 | GPIO2_D0 | 21 | 22 | SARADC_VIN5 | |||||
| 91 | I2S1_SDI0_M2 | SPI0_CLK_M1 | GPIO2_D3 | 23 | 24 | GPIO4_C6 | PWM13_M1 | 150 | |||
| GND | 25 | 26 | GPIO3_C0 | PWM13_M0 | UART3_RX_M1 | 112 |