Jetson_Nano_Developer_Kit_User_Guide.pdf适用于Jetson

文件名称: Jetson_Nano_Developer_Kit_User_Guide.pdf

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详细说明：适用于Jetson Nano Developer Kit的用户指南（英文版）NOTE Welcome to the Nvidia jetson platform! There two key things you should do right away 1. Sign up for the nvidia developer program-this enables you to ask questions and contribute on the NviDia letson Forums, gives access to all documentation and collateral on the jetson Download Center, and more 2. Read this User Guide! After that, check out these important links etson FAQ- Please read the FaQ Support Resources-This web page links to important resources, including the jetson Forum and the jetson Ecosystem page L4T Release Notes- L4T is a key component of the jetson platform, and provides the sample filesystem for your developer kit. Please read the latest release notes hanks The NviDia Jetson team Jetson Nano Developer kit DA_09402002|i TABLE OF CONTENTS Not ·······。···.·········。·····。···.················.·.······.······.·.。··············· Developer Kit Setup and Hardware∴……………………5 Developer Kit setup.......... 5 Included in the box Developer kit Interfaces ···················.·.···.········..·..·········..·········· Interface details∴ 7 Power guide∴8 JetPack 10 Summary of JetPack Components 10 How to Install jetPack ......444............44444.........4444..4.............12 Initial Configuration upon First Boot............................. 12 Working with L4T 14 Compliance Information 15 United states∴,15 Canada 16 Innovation, Science and Economic Development Canada(ISED)....... 16 European Union........ 17 Australia and new Zealand ,.................................................................17 Japan.......... ··.···..······..·······.··········.····.········:········..·.··· 17 South borea Russia/Kazakhstan /belarus 22 Taiwan 22 China 23 India . Jetson Nano Developer kit DA_09402_002|i DEVELOPER KIT SETUP AND HARDWARE The nvidia Jetson Nano M developer Kit is an ai computer for makers, learners, and developers that brings the power of modern artificial intelligence to a low-power,easy- to-use platform. Get started quickly with out-of-the-box support for many popular peripherals, add-ons, and ready-to-use projects Jetson Nano is supported by the comprehensive nvidia JetPackTM SDK, and has the performance and capabilities needed to run modern AI workloads JetPack includes Full desktop linux with Nvidia drivers Al and computer vision libraries and APls Developer tools Documentation and sample code DEVELOPER KIT SETUP Before using your developer kit, you need to set up a microSD card with the operating system and JetPack components. The simplest method is to download the microsd card image and follow instructions found in Getting Started with letson Nano Developer Kit In summary You need a 16 GB or larger UHS-l microSD card, HDMI or DP monitor, USB keyboard and mouse, and 5V-2A Micro-USB power supply Download the image and write it to the microsd card Insert the microsd card into the slot under the jetson Nano module, then attach the display, keyboard, mouse, and Ethernet cable or wireless networking adapter Connect the Micro-USB power supply. The developer kit powers on automatically For alternative methods, see how to Install JetPack, below Jetson Nano Developer kit DA_094020025 INCLUDED IN THE BOX Jetson Nano module (p3448-0000) with heatsink Reference carrier board(P3449) Small paper card with quick start and support information Folded paper stand for the developer kit DEVELOPER KIT INTERFACES Developer kit module and carrier board Front view Rear view 〓〓寧 Power USB Type Micro-USB microSD jack Card slot Heatsink HDMI Type A Gigabit and Display Port Ethernet Top view Serial Port Header POE(Power over Ethernet) J44 M. 2 Key E slot Button Header J13 J18 Camera Connector Expansion Header Power Jack/USB Power Select Jumper SODIMM Connector USB 3.0 Type A J48 Fan Header (2×2 stacked) 15 Ethernet jack HDMI Type A E DP stacked Power LED J6 J33 J43 Power Jack J25 Micro B USB Jetson Nano Developer kit DA_094020026 Interface Details This section highlights some of the jetson Nano Developer Kit interfaces. See the jetson Nano Developer kit carrier board specification for comprehensive information Module [501 Slot for a microSD card. The passive heatsink supports 10W module power usage at 25 C ambient temperature. If your use case requires additional cooling, you can configure the module to control a system fan. See the letson Nano Supported Component List for fans that have been verified for attachment to the heatsink Carrier board [DS3] Power LED; lights when the developer kit is powered on ·U2」SO- DIMM connector for Jetson Nano module 6] HDMI and DP connector stack [13] Camera connector; enables use of CSI cameras. Jetson Nano Developer Kit works with IMX219 camera modules, including Leopard Imaging LI-IMX219-MIPI- FF-NANO camera module and Raspberry Pi camera Module v2 [15]4-pin fan control header. Pulse Width Modulation(PWM) output and tachometer input are supported [18]M2 Key e connector can be used for wireless networking cards; includes interfaces for PCIe(x1), USB 2.0, UART, I2S, and i2C To reach J18 you must detach the Jetson Nano module ·卩25] Power jack for5V-4 A power supply. Accepts a21×55×95 mm plug with poSitive polarity [28] Micro-USB 2.0 connector; can be used in either of two ways If J48 pins are not connected, you can power the developer kit from a 5V-2A Micro-USB power supply If J48 pins are connected, operates in Device Mode [32 and J33] are each a stack of two USB 3.0 Type A connectors. Each stack is limited to 1A total power dclivery. All four are connected to the jetson Nano module via a USB 3.0 hub built into the carrier board [38] The Power over Ethernet(POE) header exposes any DC voltage present on J43 Ethernet jack per IEEE 802.3af [40]8-pin button header; brings out several system power, reset, and force recovery related signals(see the following diagram) Jetson Nano Developer kit DA_09402002|7 BUTTON PWR ONK FOR CE RECOVERY* 3 4 PMIC SYS RST* LATCH SET BUT LATCH SET Pins 7 and 8 disable auto power-on Pins 1 and 2 initiate power-on if auto power-on is disabled Pins 5 and 6 reset the system Pins 3 and 4 put the developer kit into Force recovery mode if they are connected when it is powered on [41]40-pin expansion header includes Power pins Two 3.3V power pins and two 5v power pins. These are not switchable; power is always available when the developer kit is connected to power Two 5V pins can be used to power the developer kit at 2.5A cach 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 4t provides a Python library, Vetson. GPIO, for controlling GPIOs. The library nas the same API as RPi. GPIO. See/opt/nvidia/letson gpio/doc/README. txt on your jetson system for details [43]RJ45 connector for gigabit Ethernet 144]3.3V serial port header; provides access to the a console 48] Enables either J28 Micro-USB connector or J25 power jack as power source for the developer kit. Without a jumper the developer kit can be powered by J28 Micro USB connector With a jumper, no power is drawn from J28, and the developer kit can be powered via 25 power jack Power Guide Jetson Nano Developer Kit requires a 5V power supply capable of supplying 2A current Micro-USB Power Supply Options Out of the box, the developer kit is configured to accept power via the micro-USB connector. Note that some Micro-USB power supplies are designed to output slightly more than 5v to account for voltage loss across the cable. For example, Adafruit's Jetson Nano Developer kit DA_094020028 GEO151UB-6025 Power Supply(validated by nvidia for use with the jetson nano Developer Kit)is designed to provide 525V. The critical point is that the Jetson Nano module requires a minimum of 4.75V to operate. Use a power supply capable of delivering 5V at the J28 Micro-USB connector Other Power Supply Options If the developer kit's total load is expected to exceed 2A, e. g, due to peripherals attached to the carrier board, connect the J48 Power Select Header pins to disable power supply via micro-USB and enable 5v=4a via the j25 power jack. Another option is to supply 5v=5a via the J4l expansion header (2.5a per pin) The J25 power jack is 9.5 mm deep, and accepts positive polarity plugs with 2.1 mm inner diameter and 5.5 mm outer diameter. As an example, NViDia has validated Adafruit's GEo241DA-0540 Power Supply for use with Jetson Nano Developer Kit Power budget Considerations The developer kit's total power usage comprised of carrier board, module, and peripherals and is determined by your particular use case The carrier board consumes between 0.5W(at 2A)and 1.25W(at 4A)with no peripherals attached The jetson Nano module is designed to optimize power efficiency and supports two software-defined power modes. The default mode provides a 10W power budget for the modules, and the other, a 5W budget. These power modes constrain the module to near their 10W or 5w budgets by capping the GPU and CPU frequencies and the number of online cpu cores at a pre-qualified level. See the l4t development guide for details about power modes Note that the power mode budgets cover the two major power domains for the jetson Nano module: GPU (VDD_GPU) and CPU (VDD_CPU). Individual parts of the CORE (VDD_CORE) Power domain, such as video encode and video decode, are not covered by these budgets. This is a reason why power modes constrain the module to near a power budget, but not to the exact power budget. Your particular use case determines the modules actual power consumption. See the etson Nano module data sheet for details about how power domains are used to optimize power consumption Attached peripherals are the final component of the developer kits total power usage Select a power supply that is capable of delivering sufficient power for your workload Jetson Nano Developer kit DA_09402002|9 JETPACK NViDIAJetPack SDK is the most comprchensive solution for building AI applications. It includes the latest OS images for Jetson products, along with libraries and APls, samples, developer tools, and documentation SUMMARY OF JETPACK COMPONENTS This section briefly describes each component of JetPack. For additional details about these components see the online documentation for jetPack at https://docs.nvidiacom/jetson/jetpack/index.html OS Image Jetpack includes a reference file system derived from Ubuntu Libraries and apls JetPack libraries and APis include TensorrT and CuDNN for high-performance deep learning applications CUDA for GPU accelerated applications across multiple domains NVIDIA Container runtime for containerized GPU accelerated applications Multimedia API package for camera applications and sensor driver development Vision Works and OpenCV for visual computing applications Sample Applications JetPack includes several samples which demonstrate the use of jetPack components These are stored in the reference filesystem and can be compiled on the developer kit Jetson Nano Developer kit DA09402002|10

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