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Nvidia Jetson TX2 NX User Manual

Nvidia Jetson TX2 NX
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DG-10141-001_v1.1 | September 2021
NVIDIA Jetson TX2 NX
Product Design Guide

Table of Contents

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Nvidia Jetson TX2 NX Specifications

General IconGeneral
BrandNvidia
ModelJetson TX2 NX
CategoryComputer Hardware
LanguageEnglish

Summary

Introduction to NVIDIA Jetson TX2 NX

References for Further Information

Lists related documents and models for further information and guidance.

Abbreviations and Definitions

Defines technical abbreviations and terms used throughout the design guide.

Jetson TX2 NX Module Overview

Jetson TX2 NX Interface List

Lists the categories and functions of interfaces available on the module.

Jetson TX2 NX Block Diagram

Provides a high-level block diagram illustrating the module's architecture and interfaces.

Jetson TX2 NX Connector Pinout Matrix

Details the pinout matrix for the 260-pin SODIMM connector of the module.

Developer Kit Feature Considerations

Button Power MCU Implementation

Discusses the button power MCU implementation and firmware requirements.

USB SuperSpeed Hub Design

Explains the USB SuperSpeed hub design and its configuration details.

Power over Ethernet (PoE) Header

Describes the PoE header and its use for powering a custom carrier board.

TI TXB0108 Level Shifters

Details the use of TI TXB0108 level shifters for signal voltage translation.

Features Not for Custom Design

Identifies features from the developer kit not recommended for custom carrier board designs.

Module Connector and Mounting

Module Connector Specifications

Describes the 260-pin SODIMM connector used for module connection.

Module Mounting Hardware

Explains the mounting process, including standoffs and screws, for integrity.

Module Installation and Removal

Provides step-by-step instructions for correctly installing and removing the module.

Power Supply and Sequencing

Jetson TX2 NX Power and System Pin Descriptions

Details power and system-related pin descriptions for the Jetson TX2 NX module.

Power Supply and Sequencing Overview

Explains the power supply architecture and the sequence of operations for powering.

Power Handshake Signals

Describes handshake signals for module and carrier board power control.

System Power and Control Block Diagram

Illustrates the system power and control flow between carrier board and module.

Power Sequencing Details

Details the power-up and power-down sequences for the module.

USB and PCI Express Interfaces

USB 2.0 Pin Descriptions

Lists the pin descriptions for the USB 2.0 interfaces on the Jetson TX2 NX.

USB 3.0 and PCIe Pin Descriptions

Details pin descriptions for USB 3.0 and PCIe interfaces.

USB 3.0 and PCIe Lane Mapping

Shows the lane mapping configurations for USB 3.0 and PCIe interfaces.

USB Interface Overview

Introduces the USB interfaces and provides a connection example.

USB 2.0 Design Guidelines

Provides design guidelines and requirements for USB 2.0 interface routing.

USB 3.0 Design Guidelines

Offers design guidelines and requirements for USB 3.0 interface routing.

Common USB Routing Guidelines

Lists general guidelines for routing USB interfaces, including flex/PCB considerations.

PCIe Interface Overview

Introduces the PCIe interfaces available on the module.

Example PCIe Connections

Shows an example connection diagram for PCIe interfaces.

PCIe Design Guidelines

Provides detailed signal routing requirements for the PCIe interface.

Gigabit Ethernet Pin Descriptions

Details the pin descriptions for the Gigabit Ethernet interface.

Ethernet Connections

Illustrates the Ethernet connections from the module to the PHY.

Gigabit Ethernet Magnetics and RJ45

Shows the connection of Gigabit Ethernet magnetics and RJ45 connectors.

Ethernet MDI Routing Requirements

Specifies signal routing requirements for the Ethernet MDI interface.

Ethernet Signal Connections

Lists the signal connections for Ethernet interfaces.

Display Interfaces

Display General Pin Description

Provides general pin descriptions for display interfaces on the module.

MIPI DSI Interface

Introduces the MIPI DSI interface and its capabilities.

MIPI DSI Pin Description

Details the pin descriptions for the MIPI DSI interface.

MIPI DSI and CSI Design Guidelines

Provides design guidelines for MIPI DSI and CSI interfaces.

MIPI DSI Signal Connections

Lists the signal connections for the MIPI DSI interface.

HDMI, eDP, and DP Interfaces

Introduces the HDMI, eDP, and DP display interfaces.

eDP and DP Pin Description

Details the pin descriptions for eDP and DP display interfaces.

DP and eDP Connection Example

Shows an example connection for DP and eDP interfaces.

eDP and DP Routing Guidelines

Provides routing guidelines for eDP and DP interfaces.

eDP and DP Signal Connections

Lists signal connections for eDP and DP interfaces.

HDMI Interface Overview

Introduces the HDMI interface and its capabilities.

HDMI Connection Example

Illustrates a typical connection example for the HDMI interface.

HDMI Routing Guidelines

Provides routing guidelines and requirements for the HDMI interface.

HDMI Signal Connections

Lists the signal connections for the HDMI interface.

MIPI CSI Video Input

Jetson TX2 NX CSI Pin Description

Details the pin descriptions for the MIPI CSI interface.

Camera Miscellaneous Pin Description

Lists miscellaneous camera-related pin descriptions.

4 Lane CSI Camera Connection Example

Shows an example connection for a 4-lane CSI camera.

CSI Configuration Options

Outlines the CSI configuration options for different camera stream setups.

MIPI CSI Connection Options

Illustrates the various MIPI CSI connection options.

CSI Design Guidelines

Provides design guidelines for the CSI interface.

MIPI CSI Signal Connections

Lists the signal connections for the MIPI CSI interface.

SD Card and SDIO Interfaces

SDIO Pin Description

Details the pin descriptions for SD Card and SDIO interfaces.

SD Card Connection Example

Shows an example connection for an SD Card.

SD Card and SDIO Routing Requirements

Specifies signal routing requirements for SD Card and SDIO interfaces.

SD Card and SDIO Signal Connections

Lists the signal connections for SD Card and SDIO interfaces.

Audio Interfaces

Audio Pin Description

Details the pin descriptions for the Audio interfaces.

Audio Connections Diagram

Illustrates the audio connections on the Jetson TX2 NX.

Audio Codec Connections

Shows the connection schematic for audio codec.

Audio Interface Routing Requirements

Specifies signal routing requirements for audio interfaces.

Audio Signal Connections

Lists the signal connections for audio interfaces.

Miscellaneous Interfaces

I2C Interface

Introduces the I2C interfaces and their pin descriptions.

I2C Connections Diagram

Illustrates the I2C connection schematics.

I2C Design Guidelines

Provides design guidelines for I2C interfaces, including address management.

I2C Interface Routing Requirements

Specifies signal routing requirements for I2C interfaces.

I2C Signal Connections

Lists the signal connections for I2C interfaces.

SPI Interface

Introduces the SPI interfaces and their pin descriptions.

Basic SPI Master and Slave Connections

Shows basic connection examples for SPI master and slave configurations.

SPI Topologies

Illustrates different SPI topologies like point-point and daisy chain.

SPI Interface Routing Requirements

Specifies signal routing requirements for SPI interfaces.

CAN Interface

Details the CAN interface and its pin description.

Fan Control Features

Explains fan control features using PWM and Tachometer.

Fan Pin Description

Lists the pin descriptions for fan control.

UART Interface

Introduces the UART interfaces and their pin descriptions.

UART Pin Description

Details the pin descriptions for the UART interfaces.

Debug UART Functionality

Explains the use of UART for debugging purposes.

Debug UART Pin Description

Provides pin descriptions for the debug UART.

PADS Considerations

Internal Pull-ups for 1.8V Pins

Discusses internal pull-ups for dual-voltage block pins powered at 1.8V.

Schmitt Trigger Usage for Pins

Explains Schmitt-trigger mode for MPIO pins to improve noise immunity.

Pins Pulled/Driven High During Power-ON

Lists pins pulled high during power-on and design considerations.

Pins Pulled High with External Resistors

Lists pins with external resistors pulled high before system reset.

Unused Interface Terminations

Unused CMPS Pad Interfaces

Identifies unused MPIO pins and pin groups that can be left unconnected.

General Routing Guidelines

Signal Name Conventions

Explains the naming conventions used for signals and I/O types.

Signal Type Codes

Lists and defines the I/O codes used for signal types.

Routing Guideline Format

Details the format used to specify routing guidelines for signals.

Signal Routing Conventions

Explains conventions for SE/Diff impedance and trace spacing.

General Routing Guidelines Overview

Provides general guidelines for routing high-speed interfaces.

Max Trace Lengths and Delays

Discusses considerations for maximum trace lengths and delays in PCB design.

Trace Delay and Flight Time Matching

Explains techniques for matching signal flight times and trace delays.

General PCB Routing Guidelines

Covers general PCB routing practices, including stack-up and noise coupling.

Common High-Speed Interface Requirements

Lists common requirements for high-speed interfaces, including impedance.

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