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~~tag>Edge1 GPIO-header~~

====== Edge1 GPIO Header ======

Universal GPIO 40 pins board header, used for communication between board and different external devices.

====== Reference table ======

<WRAP important >
Current GPIO numbers valid for vendor kernel only. Mainline linux kernel GPIO numbers will be different... 
</WRAP>

^  GPIO num ^ Name                 ^ Pin  ^ Pin  ^ Name                            ^ GPIO num  ^
|           | 5V                   |  1   |  21  | **GND** (0V)                    |           |
|           | 5V                   |  2   |  22  | SPI3_RXD / I2C0_SCK / GPIO1_C0  | 48        |
|           | HOST1_DM             |  3   |  23  | SPI3_TXD / I2C0_SDA / GPIO1_B7  | 47        |
|           | HOST1_DP             |  4   |  24  | **GND** (0V)                    |           |
|           | **GND** (0V)         |  5   |  25  | I2C2_SCL / GPIO2_A1             | 65        |
|           | MCU_TX               |  6   |  26  | I2C2_SDA / GPIO2_A0             | 64        |
|           | MCU_NRST             |  7   |  27  | 3.3V                            |           |
|           | MCU_SWIM             |  8   |  28  | **GND** (0V)                    |           |
|           | **GND** (0V)         |  9   |  29  | I2S0_SCLK / GPIO3_D0            | 120       |
|           | ADC_IN2              |  10  |  30  | I2S_CLK / GPIO4_A0              | 128       |
|           | 1.8V                 |  11  |  31  | I2S0_SDO0 / GPIO3_D7            | 127       |
|           | ADC_IN3              |  12  |  32  | 2S0_LRCK_TX / GPIO3_D2          | 122       |
|       112 | SPDIF / GPIO3_C0     |  13  |  33  | I2S0_SDI0 / GPIO3_D3            | 123       |
|           | **GND** (0V)         |  14  |  34  | **GND** (0V)                    |           |
|        50 | SPI3_CS / GPIO1_C2   |  15  |  35  | I2S0_SDI3SDO1 / GPIO3_D6        | 126       |
|        49 | SPI3_CLK / GPIO1_C1  |  16  |  36  | 2S0_SDI2SDO2 / GPIO3_D5         | 125       |
|           | **GND** (0V)         |  17  |  37  | I2S0_SDI1SDO3 / GPIO3_D4        | 124       |
|           | UART_RX              |  18  |  38  | I2S0_LRCK_RX / GPIO3_D1         | 121       |
|           | UART_TX              |  19  |  39  | MCU_PA1                         |           |
|           | 3.3V                 |  20  |  40  | **GND** (0V)                    |           |


{{page>products:sbc:common:applications:gpio:40pin-header#gpio-usage-examples}}
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