Nvidia JETSON XAVIER NX User Manual page 8

topic "Power Management for Jetson Xavier NX and Jetson AGX Xavier Series
Devices" of Jetson Linux Developer Guide.
Carrier Board
[DS1] Power LED; lights when the developer kit is powered on.
•
[J1] Camera connector; enables use of CSI cameras. The Jetson Xavier NX Developer
•
Kit works with IMX219 camera modules, including Leopard Imaging LI-IMX219-
MIPI-FF-NANO camera module and Raspberry Pi Camera Module V2.
[J2] SO-DIMM connector for Jetson Xavier NX module.
•
[J5] Micro-USB 2.0 connector; operates in device mode only.
•
• [J6] and [J7] are each a stack of two USB 3.1 Type A connectors. Each stack is limited
to 1A total power delivery. All four are connected to the Jetson Xavier NX module
via a USB 3.1 hub built into the carrier board.
[J8] HDMI and DP connector stack.
•
[J9] Second camera connector; supplements [J1].
•
[J10] M.2 Key E connector can be used for wireless networking cards; includes
•
interfaces for PCIe (x1), USB 2.0, UART, I2S, and I2C. The developer kit includes a
wireless networking card preinstalled in this connector.
[J11] M.2 Key M socket. Only single-sided M.2 modules can be used.
•
[J12] 40-pin expansion header; includes:
•
Power out pins.
•
Two 3.3V power pins and two 5V power pins. The 5V supply is always present
when the developer kit is receiving power, but the 3.3V supply is available only
when the module is in the ON state or the SC7 state.
The power pins can only provide power out. They may not be used to deliver
power to the developer kit.
Interface signal pins.
•
All signals use 3.3V levels.
By default, all interface signal pins are configured as GPIOs, except pins 3 and 5
and pins 27 and 28, which are I2C SDA and SCL, and pins 8 and 10, which are
UART TX and RX. L4T includes a Python library, Jetson.GPIO, for controlling
GPIOs. See /opt/nvidia/jetson-gpio/doc/README.txt on your Jetson
system for details.
L4T includes the jetson-io utility to configure pins for SFIOs. See
the 40-Pin Expansion Header
information. L4T also includes the Jetson.GPIO Python library for easy control
of GPIOs. See the
[J13] 4-pin fan control header. Supports Pulse Width Modulation (PWM) output and
•
tachometer input.
Jetson Xavier NX Developer Kit
in Jetson Linux Developer Guide
Jetson.GPIO GitHub page for more information.
Configuring
for more
DA_09814-001
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