Texas Instruments Jacinto 7 Manual de usuario

Jacinto™7 EVM Quick Start Guide

for DRA821 Processor

Jacinto™ 7 EVM Quick Start Guide

for DRA821 Processor

2Texas Instruments

Welcome to the Jacinto™ 7 EVM Quick Start Guide for DRA821 Processor.

This guide will help you begin your evaluation quickly by covering the following topics:

Step 1: Setup EVM and expansion card hardware.

Step 2: Experiencing the Out Of Box (OOB) demonstration to ensure the EVM hardware is functional.

Step 3: Download and install Processor SDK (software development kit).

Jacinto™ 7 EVM Quick Start Guide

for DRA821 Processor

3Texas Instruments

System Power Input

Power

Switch

Power LEDs

Conﬁguration Switches

User Buttons

DisplayPort

USB Type C

USB2 Type A

PCIe Gen 3

Audio In/Out Ethernet

Ethernet

USB/Serial Debug

XDS110 /

Emulator

SOM Board

Connectors

Expansion

Capture Expansion PCIe M.2 SSD microSD

Common processor board highlights

Step 1: Setup EVM and expansion card hardware

The minimum conguration of the Jacinto 7 EVM includes the common processor board and a

system-on-module (SOM) board. Each board ships separately.

• The common processor board provides basic connectivity to I/O, JTAG and various available

expansion boards.

• The SOM includes the DRA821 processor you are going to evaluate, as well as power management

and external memory.

Note: Some interfaces may be unavailable depending on the SOM you attach to the common processor board.

System-On-Module highlights

Jacinto™ 7 EVM Quick Start Guide

for DRA821 Processor

4Texas Instruments

Remove mounting screws (4) from Common Processor

board (sold separately). The screws are shipped

installed in jack-screws. If existing SOM module is

already mounted, use Allen wrench (supplied with

SOM) to eject SOM module by inserting the wrench

into each jack-screw and turning counter-clockwise at

each location until SOM module is loose.

Install the SOM module on the Common Processor

Board. Ensure it is oriented such that all connectors

are aligned. Press rmly on the edges to ensure

the connectors mate (may have to apply signicant

pressure).

Before installing new SOM, make sure all jack-screws

are tight by inserting the wrench and turning clockwise

at each location.

Install mounting screws (4x) in each corner of the

SOM. Tighten each screw to ensure all connectors

are fully mated. Don’t over-tighten.

Attaching the SOM to the common processor board

Mounting screws (4x)

Common

processor board

Jack-screws (4x)

SOM module

Jacinto™ 7 EVM Quick Start Guide

for DRA821 Processor

5Texas Instruments

7Conrm the boot conguration switches SW8 and

SW9 are set as shown.

Insert the supplied Linux SD card into the Micro

SD card slot. The location of the card slot is on

the backside of the Common Processor Board.

Connect the supplied USB cable to the USB/Serial

Debug connector as shown. Connect other end to PC.

Launch a terminal program (ex. TeraTerm) and connect

to rst of four UARTs that are assigned to USB port. Set

terminal to operate at Baud 115200, 8b no parity, and

ow control off.

8Connect a +12 VDC power supply (not included) with

minimum output rating of 5 Amp, positive inner and

negative outer terminals, female barrel 5.5 mm x 2.5

mm. Recommended power supply is CUI Inc. SDI65-

12-U-P6 or equivalent.

9To turn EVM system on, set switch SW2 to

the ‘ON’ position. To turn EVM off, set switch

SW2 to ‘OFF’.

switch direction

setting

+12 VDC power

supply cable

Jacinto™ 7 EVM Quick Start Guide

for DRA821 Processor

6Texas Instruments

Attaching an optional expansion card

Expansion cards can be added to the common processor board to expand the capabilities

of the EVM.

• Automotive Gateway/Ethernet Switch /Industrial Expansion card: this card adds ports for

CAN-FD, Gigibit Ethernet and industrial Ethernet protocols. (Installation instructions are covered in the

Appendix)

Step 2: Experiencing the Out Of Box (OOB)

demonstration to ensure the EVM hardware is

functional

1. To turn on the EVM, move the SW2 switch to the ‘ON’ position, as shown in Step 1, #9 above.

2. Within seconds, you should see the linux uboot and kernel boot log on the PC terminal application

you setup in Step 1, #6 above.

3. When the boot completed, type “root” at the prompt to login and have access to the linux

lesystem.

Step 3: Download and install Processor SDK

(software development kit)

Processor SDK RTOS (PSDK RTOS) and Processor SDK Linux (PSDK Linux) together form a

multi-processor software development platform for the Texas Instruments Jacinto 7 family of SOCs.

The SDK provides a comprehensive set of software tools and components to help users develop and

deploy their applications on supported Jacinto processors.

Processor SDK installation instructions are available online:

Processor SDK RTOS: www.ti.com/DRA821PSDKRTOSInstall

Processor SDK Linux: www.ti.com/DRA821PSDKLinuxInstall

From these links, you can learn how to install the SDK, modify, build, load, and debug the released

software on the EVM.

Jacinto™ 7 EVM Quick Start Guide

for DRA821 Processor

7Texas Instruments

Congratulations! This completes your Quick Start experience.

Additional resources

Now that your EVM is setup and validated, you can continue your evaluation by getting additional

support, accessing additional training and exploring further development options with the following

resources:

• Support: www.ti.com/Jacinto7Support

• Training: www.ti.com/Jacinto7Training

• Development: ww.ti.com/DRA821Development

Jacinto™ 7 EVM Quick Start Guide

for DRA821 Processor

8Texas Instruments

Appendix A: Installing the Automotive Gateway/

Ethernet Switch/Industrial Expansion card onto the

common processor board

1. Remove the stand-offs (8x) from the EVM. Mate the expansion card to the common processor board

expansion connectors (see bottom left).

2. Press rmly on the edges to ensure the connectors mate (may have to apply signicant pressure).

3. If a CSI expansion board is not connected to the CSI expansion connectors on the common

processor board, add a 2mm thick washer to each of the four stand-offs (see bottom right) on the

common processor board. Washers are included in the kit.

4. Re-install the eight stand-offs.

Washer

Stand-off

EVM Expansion

Connectors

CSI Expansion

Connectors

Front view Side view

190.5 ±0.5

82.2 ±0.5

Important Notice: The products and services of Texas Instruments Incorporated and its subsidiaries described herein are sold subject to TI’s standard terms and conditions of sale. Customers are advised to

obtain the most current and complete information about TI products and services before placing orders. TI assumes no liability for applications assistance, customer’s applications or product designs, software

performance, or infringement of patents. The publication of information regarding any other company’s products or services does not constitute TI’s approval, warranty or endorsement thereof.

Trademarks in this issue: The platform bar and Sitara are trademarks of Texas Instruments. All other trademarks are the property of their respective owners.

SPRUIX2

For more information on DRA821 processor including:

• User Guide • Software

• How Tos • Design Files

Please visit www.ti.com/jacinto

For support questions, please contact: [email protected] or ti.com/e2e

IMPORTANT NOTICE AND DISCLAIMER

TI PROVIDES TECHNICAL AND RELIABILITY DATA (INCLUDING DATASHEETS), DESIGN RESOURCES (INCLUDING REFERENCE

DESIGNS), APPLICATION OR OTHER DESIGN ADVICE, WEB TOOLS, SAFETY INFORMATION, AND OTHER RESOURCES “AS IS”

AND WITH ALL FAULTS, AND DISCLAIMS ALL WARRANTIES, EXPRESS AND IMPLIED, INCLUDING WITHOUT LIMITATION ANY

IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF THIRD

PARTY INTELLECTUAL PROPERTY RIGHTS.

These resources are intended for skilled developers designing with TI products. You are solely responsible for (1) selecting the appropriate

TI products for your application, (2) designing, validating and testing your application, and (3) ensuring your application meets applicable

standards, and any other safety, security, or other requirements. These resources are subject to change without notice. TI grants you

permission to use these resources only for development of an application that uses the TI products described in the resource. Other

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Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265

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