Nvidia Jetson Orin NX Series - Figure 12-8. Debug UART Connections

Miscellaneous Interfaces
PRELIMINARY INFORMATION
Jetson Orin NX Series and Jetson Orin Nano Series DG-10931-001_v1.1 | 75
Figure 12-8. Debug UART Connections
Jetson
SoC
Level Shifter
VCCBVCCA
B1A1
B2A2
GNDOE
100k
VDD_3V3_SYSVDD_1V8
0.1uF 0.1uF
UART2_TXD
UART2_RXD
236
238
100k
RXD_LS
TXD_LS
GP11_UART3_TXD
GP12_UART3_RXD
Note: If level shifter is implemented, pull-up is required on the RXD line on the non-Orin module
side of the level shifter. This is required to keep the input from floating and toggling when no
device is connected to the debug UART.