Nvidia Jetson Orin NX User Manual

PRELIMINARY INFORMATION
NVIDIA Jetson Orin NX DG-10931-001_v0.1 | 61
Chapter 12. Miscellaneous Interfaces
12.1 I2C
Jetson Orin NX brings four I2C interfaces to the connector pins. CAM_I2C is included in the
camera pin description table earlier in this design guide. The assignments in the “I2C Interface
Mapping” table should be used where applicable for the I2C interfaces.
Table 12-1. Jetson Orin NX I2C Pin Descriptions
Pin #
Module Pin
Name
Orin Signal Usage/Description
Recommended
Usage
Direction Pin Type
185 I2C0_SCL GP13_I2C2_CLK General I2C 0 Clock. 1.5kΩ pull-up to 3.3V on module.
I2C (general) Bidir
Open Drain
– 3.3V
187 I2C0_SDA GP14_I2C2_DAT General I2C 0 Data. 1.5kΩ pull-up to 3.3V on the module.
Open Drain
– 3.3V
189 I2C1_SCL GP15_I2C8_CLK General I2C 1 Clock. 1.5kΩ pull-up to 3.3V on the module.
Open Drain
– 3.3V
191 I2C1_SDA GP16_I2C8_DAT General I2C 1 Data. 1.5kΩ pull-up to 3.3V on the module.
Open Drain
– 3.3V
232 I2C2_SCL GP126_I2C1_CLK General I2C 2 Clock. 1.5kΩ pull-up to 1.8V on the module.
Open Drain
– 1.8V
234 I2C2_SDA GP127_I2C1_DAT General I2C 2 Data. 1.5kΩ pull-up to 1.8V on the module.
Open Drain
– 1.8V
Notes: In the Direction column, Output is from Jetson Orin NX. Input is to Jetson Orin NX. Bidir is for Bidirectional signals.

Nvidia Jetson Orin NX Specifications

General

Brand	Nvidia
Model	Jetson Orin NX
Category	Computer Hardware
Language	English