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~~tag>VIM4 GPIO-header~~

====== VIM4 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**  |           |
|           | 5V                |  2   |  22  | PIN.Y17  | 501       |
|           | HUB_D4N           |  3   |  23  | PIN.Y18  | 502       |
|           | HUB_D4P           |  4   |  24  | **GND**  |           |
|           | **GND**           |  5   |  25  | PIN.T20  | 466       |
|           | VCCMCU            |  6   |  26  | PIN.T21  | 467       |
|           | MCUBOOT0          |  7   |  27  | 3V3      |           |
|           | MCUSWDIO          |  8   |  28  | **GND**  |           |
|           | **GND**           |  9   |  29  | PIN.T1   | 447       |
|           | ADC_CH6           |  10  |  30  | PIN.T0   | 446       |
|           | VDD1V8            |  11  |  31  | PIN.T3   | 449       |
|           | ADC_CH3           |  12  |  32  | PIN.T2   | 448       |
|       420 | SPDIFOUT          |  13  |  33  | PIN.T4   | 450       |
|           | **GND**           |  14  |  34  | **GND**  |           |
|       491 | PIN.Y7            |  15  |  35  | PIN.Y8   | 492       |
|       490 | PIN.Y6            |  16  |  36  | PIN.T18  | 464       |
|           | **GND**           |  17  |  37  | PIN.T19  | 465       |
|           | UART_RX / PIN.D1  |  18  |  38  | PWR_EN1  |           |
|           | UART_TX / PIN.D2  |  19  |  39  | PIN.D15  | 417       |
|           | 3V3               |  20  |  40  | **GND**  |           |


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