Jetson Nano GPIO Header PINOUT
I2C and UART pins are assigned to that function by default. Also by default, all other pins (except power) are assigned as GPIO. Pins labeled with other functions are recommended functions if using a different device tree. Here’s a spreadsheet map to RPi to help.
| Jetson Nano J41 Header | |||||
|---|---|---|---|---|---|
| Sysfs GPIO | Name | Pin | Pin | Name | Sysfs GPIO |
| 3.3 VDC Power |
1
|
2
|
5.0 VDC Power |
||
| gpio75 | I2C1_SDA
I2C Bus 1 |
3
|
4
|
5.0 VDC Power |
|
| gpio74 | I2C1_SCL
I2C Bus 1 |
5
|
6
|
GND | |
| gpio216 | AUDIO_CLK |
7
|
8
|
UART1_TX
/dev/ttyTHS1 |
gpio48 |
| GND |
9
|
10
|
UART1_RX
/dev/ttyTHS1 |
gpio49 | |
| gpio50 | UART1_RTS |
11
|
12
|
I2S0_SCLK |
gpio79 |
| gpio14 | SPI1_SCK |
13
|
14
|
GND | |
| gpio194 | GPIO |
15
|
16
|
SPI1_CS1 |
gpio232 |
| 3.3 VDC Power |
17
|
18
|
SPI1_CS0 | gpio15 | |
| gpio16 | SPI0_MOSI |
19
|
20
|
GND | |
| gpio17 | SPI0_MISO |
21
|
22
|
SPI1_MISO | gpio13 |
| gpio18 | SPI0_SCK |
23
|
24
|
SPI0_CS0 | gpio19 |
| GND |
25
|
26
|
SPI0_CS1 | gpio20 | |
| gpio13 | I2C0_SDA
I2C Bus 0 |
27
|
28
|
I2C0_SCL
I2C Bus 0 |
gpio18 |
| gpio149 | CAM_MCLK |
29
|
30
|
GND | |
| gpio200 | GPIO |
31
|
32
|
PWM | gpio168 |
| gpio38 | PWM |
33
|
34
|
GND | |
| gpio76 | I2S0_FS |
35
|
36
|
UART1_CTS | gpio51 |
| gpio12 | SPI1_MOSI |
37
|
38
|
I2S0_DIN | gpio77 |
| GND |
39
|
40
|
I2S0_DOUT | gpio78 | |
Pin 1 is marked 1
Notes
- Preliminary: Initial Release: November 9, 2020
- Information gleaned from Jetson Nano 2GB Developer Kit User Guide