Nvidia JETSON TX2 User Manual

NVIDIA Jetson TX2/TX2i OEM Product Design Guide
JETSON TX2/TX2i OEM PRODUCT | DESIGN GUIDE | 20180618 63
12.0 MISCELLANEOUS INTERFACES
12.1 I2C
Tegra has nine I2C controllers. Jetson TX2/TX2i brings eight of the I2C interfaces out, w hich are shown in the tables below .
The assignments in Table 67 should be used for the I2C interfaces:
Table 66. I2C Pin Descriptions
Pin #
Module Pin Name
Tegra Signal
Usage/Description
Usage on the Carrier
Board
Direction
Pin Type
C6
I2C_CAM_CLK
CAM_I2C_SCL
Camera I2C Clock
Camera Connector
Bidir
Open Drain  1.8V
D6
I2C_CAM_DAT
CAM_I2C_SDA
Camera I2C Data
Bidir
Open Drain  1.8V
E15
I2C_GP0_CLK
GPIO_SEN8
General I2C 0 Clock
I2C (General)
Bidir
Open Drain  1.8V
D15
I2C_GP0_DAT
GPIO_SEN9
General I2C 0 Data
Bidir
Open Drain  1.8V
A21
I2C_GP1_CLK
GEN1_I2C_SCL
General I2C 1 Clock
Bidir
Open Drain  3.3V
A20
I2C_GP1_DAT
GEN1_I2C_SDA
General I2C 1 Data
Bidir
Open Drain  3.3V
C11
I2C_GP2_CLK
GEN7_I2C_SCL
General I2C 2 Clock
Bidir
Open Drain  1.8V
C10
I2C_GP2_DAT
GEN7_I2C_SDA
General I2C 2 Data
Bidir
Open Drain  1.8V
C12
I2C_GP3_CLK
GEN9_I2C_SCL
General I2C 3 Clock
Bidir
Open Drain  1.8V
C13
I2C_GP3_DAT
GEN9_I2C_SDA
General I2C 3 Data
Bidir
Open Drain  1.8V
A6
I2C_PM_CLK
GEN8_I2C_SCL
PM I2C Clock
Bidir
Open Drain  1.8V
B6
I2C_PM_DAT
GEN8_I2C_SDA
PM I2C Data
Bidir
Open Drain  1.8V
A34
DP1_AUX_CH
DP_AUX_CH1_N
Display Port 1 Aux or HDMI DDC SDA
HDMI Type A Conn.
Bidir
AC-Coupled on Carrier
Board (eDP/DP) or Open-
Drain, 1.8V (3.3V tolerant -
DDC/I2C)
A35
DP1_AUX_CH+
DP_AUX_CH1_P
Display Port 1 Aux+ or HDMI DDC SCL
Bidir
B34
DP0_AUX_CH
DP_AUX_CH0_N
Display Port 0 Aux or HDMI DDC SDA
Display Connector
Bidir
B35
DP0_AUX_CH+
DP_AUX_CH0_P
Display Port 0 Aux+ or HDMI DDC SCL
Bidir
Table 67. I2C Interface Mapping
Ctrlr
Module Pins Names
Usage on Jetson
TX2/TX2i
Typcial usage on Carrier board
On-module Pull-up/voltage
I2C1
I2C_GP1_CLK/DAT
Power monitors
General I2C bus usage. 3.3V devices supported
1K on the module to 3.3V
I2C2
I2C_GP0_CLK/DAT
Audio Codec, general I2C. 1.8V devices supported
1K on the module to 1.8V
I2C3
I2C_CAM_CLK/DAT
Cameras & related functions. 1.8V devices supported
1K on the module to 1.8V
I2C4
DP1_AUX_CH_P/N
HDMI / DP / I2C. 1.8V / 3.3V devices supported.
None on the module. I/F supports
pull-up to 1.8V or 3.3V (3.3V in
Open-drain mode only)
I2C5
na
Power control
On-module use only
1K on the module to 1.8V
I2C6
DP0_AUX_CH_P/N
HDMI / DP / I2C. 1.8V / 3.3V devices supported.
None on the module. I/F supports
pull-up to 1.8V or 3.3V (3.3V in
Open-drain mode only)
I2C7
I2C_GP2_CLK/DAT
General I2C bus. 1.8V devices supported
1K on the module to 1.8V
I2C8
I2C_PM_CLK/DAT
Thermal Sensor
General I2C bus. Only 1.8V devices supported
1K on the module to 1.8V
I2C9
I2C_GP3_CLK/DAT
General I2C bus. Only 1.8V devices supported
1K on the module to 1.8V

Nvidia JETSON TX2 Specifications

General

Brand	Nvidia
Model	JETSON TX2
Category	Microcontrollers
Language	English