Jetson Nano – How to connect debug UART

Jetson Nano

When customizing and debugging a boot loader including u-boot, it is necessary to connect to the UART and check the output. This article explains how to connect to the Jetson Nano’s UART.

How to connect UART

  • Carrier board A02
    • Connect UART receive to RXD, UART transmit to TXD, and UART ground to GND on J44.
UART A02
UART Cable A02
  • Carrier board B01
    • Connect UART receive to RXD, UART transmit to TXD, and UART ground to GND on J50.
UART B01
UART Cable B01

Refer to this article for the types of Carrier board above.

A cheap USB serial converter is available at https://amzn.asia/d/dYlzl4M. USB extension cables can be purchased at 1$ stores.

On Linux host PC, use gtkterm and connect to /dev/ttyUSB0 with Baud Rate 115200, Parity None, Bits 8, Stopbits 1, Flow control none.

That’s all.