NVIDIA Jetson Xavier - I2C Interface

NVIDIA®Jetson Xavier™
Introduction
SoM Overview Carrier Boards NVIDIA Xavier Developer Kit Connect Tech Rogue Connect Tech Mimic Software Support NVIDIA JetPack
JetPack 5.0.2
Getting Started Installing JetPack Flashing the board with GUI installer JetPack Components Compiling Source Code Flashing the Board from Cmdline Performance Tuning Evaluating Performance Set Values Manually Tuning Power Maximizing Performance
Development in the Board
Getting into the Board Using Serial Console Using SSH Using Ubuntu Login Installing Packages
Video Capture and Display
Description Supported Cameras Imx219 Driver Software Support Using GStreamer Using Libargus
Processors
HD Audio and Video Subystem Video Encoder Video Decoder JPEG Encoder and Decoder Video Image Compositor Audio Processing Engine Deep Learning Accelerator Volta GPU Description Using CUDA Using OpenGL
Interfaces
I2C SD/eMMC Controller USB Controller
GStreamer Pipelines
Capture and Display H264 H265 VP9 MPEG4 Simultaneous Streams Compositor
Deep Learning
TensorRT Using TensorRT integrated with Tensorflow Parsing a Tensorflow model for TensorRT Parsing Caffe model for TensorRT Building TensorRT API examples Deep Learning Accelerator Software Support Deep Learning Tutorials Jetson Inference Jetson Reinforcement
RidgeRun Products
GstPTZR GstCUDA GstColorTransfer GstWebRTC GstRtspSink GstInterpipe GstInference GStreamer Daemon GstShark
Reference Documentation
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The SoC has nine I2C controllers. Jetson Xavier brings eight of the I2C interfaces out.

Features

I2C Slave

Feature	Notes
Normal/Byte mode	I2C controller configuration on byte mode
FIFO mode	I2C controller configuration on FIFO mode
7-bit addressing
10-bit addressing
Repeat start	Repeat start on transfer of data
Clock stretching	Clock line stretching

Jetson Xavier I2C Pin Descriptions

Pin #	Jetson Xavier Pin Name	SoC Signal	Usage/Description	Usage on the Nvidia Carrier Board	Direction	Pin Type
K5	I2C1_CLK	GEN1_I2C_SCL	General I2C 1 Clock	ID EEPROM	Bidir	Open-Drain – 1.8V
L8	I2C1_DAT	GEN1_I2C_SDA	General I2C 1 Data	ID EEPROM	Bidir	Open-Drain – 1.8V
J61	I2C2_CLK	GEN2_I2C_SCL	General I2C 2 Clock	Various	Bidir	Open-Drain – 1.8V
K61	I2C2_DAT	GEN2_I2C_SDA	General I2C 2 Data	Various	Bidir	Open-Drain – 1.8V
F53	I2C3_CLK	CAM_I2C_SCL	General I2C 3 Clock	Camera Connector	Bidir	Open-Drain – 1.8V
E53	I2C3_DAT	CAM_I2C_SDA	General I2C 3 Data	Camera Connector	Bidir	Open-Drain – 1.8V
D61	I2C4_CLK	GEN8_I2C_SCL	General I2C 4 Clock	Audio Codec & Camera Connector	Bidir	Open-Drain – 1.8V
E60	I2C4_DAT	GEN8_I2C_SDA	General I2C 4 Data	Audio Codec & Camera Connector	Bidir	Open-Drain – 1.8V
A53	I2C5_CLK	DP_AUX_CH3_P	General I2C 5 Clock	Expansion Connector	Bidir	Open-Drain – 1.8V
C53	I2C5_DAT	DP_AUX_CH3_N	General I2C 5 Data	Expansion Connector	Bidir	Open-Drain – 1.8V
F51	DP0_AUX_CH_N	DP_AUX_CH0_N	Display Port 0 Aux– or HDMI DDC SDA	USB Type C Conn. J512	Bidir	AC-Coupled on Carrier Board (eDP/DP) or OpenDrain, 1.8V (3.3V tolerant - DDC/I2C)
F52	DP0_AUX_CH_P	DP_AUX_CH0_P	Display Port 0 Aux+ or HDMI DDC SCL	USB Type C Conn. J512	Bidir
J53	DP1_AUX_CH_N	DP_AUX_CH1_N	Display Port 1 Aux– or HDMI DDC SDA	USB Type C Conn. J513	Bidir
J52	DP1_AUX_CH_P	DP_AUX_CH1_P	Display Port 1 Aux+ or HDMI DDC SCL	USB Type C Conn. J513	Bidir
G54	DP2_AUX_CH_N	DP_AUX_CH2_N	Display Port 2 Aux– or HDMI DDC SDA	HDMI Connector	Bidir
G53	DP2_AUX_CH_P	DP_AUX_CH2_P	Display Port 2 Aux+ or HDMI DDC SCL	HDMI Connector	Bidir

I2C addresses

Bus I2C	Label Device Tree
i2c0	3160000
i2c1	c240000
i2c2	3180000
i2c3	3190000
i2c4	31a0000
i2c5	31b0000
i2c6	31c0000
i2c7	c250000
i2c8	31e0000