Set pins 3, 5, 8, 10, 27, 28, from 40-pin header from SFIO to GPIO (Alternate Function)

Autonomous Machines Jetson & Embedded Systems Jetson Nano
1

I’m using an Jetson Nano 4GB Developer Kit Model number P3450 with L4T Version 32.4.3 and want to use pins 3, 5, 8, 10, 27, 28, from 40-pin header as GPIO instead of SFIO. GPIO is the alternate function due to the User Guide. I have tried to do it with the Jetson-IO, but haven’t found this option.
Any idea how to do this?

3

Please don’t use these pins as GPIO.

4

Any reason?

5

These are I2C and UART pins, can not be used for GPIO in general.

6

Activate alternate functions of I2C1 & UART pins on 40-Pin Header (J6) - Jetson AGX Xavier In this doc it is done .

7

It is NOT suggested as there are pull-up on I2C lines and UART pins are better to be UART function only.

9

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