Texas Instruments TUSB3210 Manual de usuario

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2001 MSP USB

User’s Guide

SLLU031

查询TUSB3210GENPDK供应商捷多邦，专业PCB打样工厂，24小时加急出货

IMPORTANT NOTICE

Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications,

enhancements, improvements, and other changes to its products and services at any time and to discontinue

any product or service without notice. Customers should obtain the latest relevant information before placing

ordersandshouldverifythatsuchinformationiscurrentandcomplete.AllproductsaresoldsubjecttoTI’sterms

and conditions of sale supplied at the time of order acknowledgment.

TI warrants performance of its hardware products to the specifications applicable at the time of sale in

accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI

deems necessary to support this warranty. Except where mandated by government requirements, testing of all

parameters of each product is not necessarily performed.

TI assumes no liability for applications assistance or customer product design. Customers are responsible for

their products and applications using TI components. To minimize the risks associated with customer products

and applications, customers should provide adequate design and operating safeguards.

TIdoesnotwarrantorrepresentthatanylicense, eitherexpress orimplied, isgranted underanyTIpatentright,

inwhichTIproductsorservicesareused.InformationpublishedbyTIregardingthird–partyproductsorservices

does not constitute a license from TI to use such products or services or a warranty or endorsement thereof.

Use of such information may require a license from a third party under the patents or other intellectual property

of the third party, or a license from TI under the patents or other intellectual property of TI.

Reproduction of information in TI data books or data sheets is permissible only if reproduction is without

alteration and is accompanied by all associated warranties, conditions, limitations, and notices. Reproduction

of this information with alteration is an unfair and deceptive business practice. TI is not responsible or liable for

such altered documentation.

Resale of TI products or services with statements different from or beyond the parameters stated by TI for that

product or service voids all express and any implied warranties for the associated TI product or service and

is an unfair and deceptive business practice. TI is not responsible or liable for any such statements.

Mailing Address:

Texas Instruments

Post Office Box 655303

Dallas, Texas 75265

EVM IMPORTANT NOTICE

Texas Instruments (TI) provides the enclosed product(s) under the following conditions:

This evaluation kit being sold by TI is intended for use for ENGINEERING

DEVELOPMENT OR EVALUATION PURPOSES ONLY and is not considered by TI to

befitforcommercialuse.Assuch,thegoodsbeingprovidedmaynotbecompleteinterms

of required design-, marketing-, and/or manufacturing-related protective considerations,

including product safety measures typically found in the end product incorporating the

goods. As a prototype, this product does not fall within the scope of the European Union

directive on electromagnetic compatibility and therefore may not meet the technical

requirements of the directive.

Should this evaluation kit not meet the specifications indicated in the EVM User’s Guide,

the kit may be returned within 30 days from the date of delivery for a full refund. THE

FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO

BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR

STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS

FOR ANY PARTICULAR PURPOSE.

Theuserassumesallresponsibilityandliabilityforproperandsafehandlingofthegoods.

Further, the user indemnifies TI from all claims arising from the handling or use of the

goods. Please be aware that the products received may not be regulatory compliant or

agency certified (FCC, UL, CE, etc.). Due to the open construction of the product, it is

the user’s responsibility to take any and all appropriate precautions with regard to

electrostatic discharge.

EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE, NEITHER

PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT, SPECIAL,

INCIDENTAL, OR CONSEQUENTIAL DAMAGES.

TIcurrentlydealswithavarietyofcustomersforproducts,andthereforeourarrangement

with the user is not exclusive.

TI assumes no liability for applications assistance, customer product design,

software performance, or infringement of patents or services described herein.

Pleasereadthe EVMUser’s Guideand,specifically,theEVM Warningsand Restrictions

notice in the EVM User’s Guide prior to handling the product. This notice contains

important safety information about temperatures and voltages. For further safety

concerns, please contact the TI application engineer.

Personshandlingtheproductmusthaveelectronicstrainingandobservegoodlaboratory

practice standards.

No license is granted under any patent right or other intellectual property right of TI

covering or relating to any machine, process, or combination in which such TI products

or services might be or are used.

Mailing Address:

Texas Instruments

Post Office Box 655303

Dallas, Texas 75265

EVM WARNINGS AND RESTRICTIONS

It is important to operate this EVM within the input voltage range of 4 V to 6 V and the output

voltage range of 3 V and 3.6 V.

Exceeding the specified input range may cause unexpected operation and/or irreversible

damage to the EVM. If there are questions concerning the input range, please contact a TI

field representative prior to connecting the input power.

Applyingloadsoutsideofthespecifiedoutputrangemayresultinunintendedoperationand/or

possible permanent damage to the EVM. Please consult the EVM User’s Guide prior to

connecting any load to the EVM output. If there is uncertainty as to the load specification,

please contact a TI field representative.

Duringnormaloperation,somecircuitcomponentsmayhavecasetemperaturesgreaterthan

50°C.TheEVM isdesignedto operateproperlywith certaincomponentsabove 50°C aslong

astheinputandoutput rangesare maintained.Thesecomponentsincludebut arenot limited

tolinearregulators,switchingtransistors,passtransistors,andcurrentsenseresistors.These

typesof devicescanbeidentifiedusingtheEVM schematiclocated intheEVMUser’sGuide.

When placing measurement probes near these devices during operation, please be aware

that these devices may be very warm to the touch.

Mailing Address:

Texas Instruments

Post Office Box 655303

Dallas, Texas 75265

Trademarks

Preface

Read This First

About This Manual

Thisuser’sguidedescribesthesetupandoperationof theTUSB3210generic

evaluation board. Familiarity with universal serial bus (USB) protocol and

common laboratory testing equipment is required and assumed throughout

this user’s guide.

How to Use This Manual

This document contains the following chapters:

-Chapter 1—Hardware and Software Required

-Chapter 2—EVM Operation

Related Documentation From Texas Instruments

-TUSB3210 Literature No. SLLS466

-TPS76333 Literature No. SLVS181D

-TPS2042 Literature No. SLVS173A

-MAX232 Literature No. SLLS047G

ThesefilesareavailablefromTexasInstruments,contacttechnicalsupportfor

assistance.

Trademarks

MacOS is a registered trademark of Apple Computer, Inc.

Windows98, Windows2000, WindowsME are trademarks of Microsoft Corporation.

Contents

FCC Warning

Thisequipmentisintendedforuseinalaboratorytestenvironmentonly.Itgen-

erates,uses,andcanradiateradiofrequencyenergyandhasnotbeentested

for compliance with the limits of computing devices pursuant to subpart J of

part 15 of FCC rules, which are designed to provide reasonable protection

against radio frequency interference. Operation of this equipment in other en-

vironmentsmaycauseinterferencewithradiocommunications,inwhichcase

the user at his own expense will be required to take whatever measures may

be required to correct this interference.

Contents

vii

Contents

1 Hardware and Software Required 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.1 Equipment 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.2 Hardware Overview 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.3 Bill of Materials 1-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.4 Schematic Diagram 1-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 EVM Operation 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.1 TUSB3210 Setup 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.2 Interfaces and USB Port 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.3 Power Supplies 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.4 Light Emitting Diodes (LEDs) 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.5 Jumpers and Switches 2-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.6 EEPROM 2-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.7 GPIO Connector 2-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Figures

1–1 TUSB3210 Evaluation Equipment 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1–2 TUSB3210 Evaluation Board 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1–3 TUSB3210 EVM Connected to a Compact Flash Daughterboard 1-3. . . . . . . . . . . . . . . . . . . .

1–4 TUSB3210 Printed-Circuit Board—Top Side 1-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2–1 GPIO Connector 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Tables

2–1 LED Description 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2–2 Jumpers and Switches 2-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

viii

1-1

Hardware and Software Required

The TUSB3210 generic EVM is designed for use with a personal computer

running a USB-enabled operating system. The PC should be USB 1.1

specification compliant. This implies that the BIOS, chipsets, and operating

systemareallUSB1.1specificationcompliant.IftheBIOSisnot specification

compliant, the system may not boot up when USB devices are connected at

power up, and the EVM may not function. Note that an ac/dc power supply

adapter is optional equipment (but included), since the EVM can function in

either bus-powered mode or self-powered mode.

Topic Page

1.1 Equipment 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.2 Hardware Overview 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.3 Bill of Materials 1-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.4 Schematic Diagram 1-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 1

Equipment

1-2

1.1 Equipment

Figure 1–1.TUSB3210 Evaluation Equipment

USB EVM

1.2 Hardware Overview

The TUSB3210 EVM hardware platform is 11 cm wide by 13 cm long.

Throughout this document, text inside of parenthesis (ex.) denotes reference

designators found on the TUSB3210 EVM. See Figure 1–2 for a photograph

of the EVM. All jumpers are installed with the factory settings. Refer to the

jumper table for a description of settings, and make any required adjustments

before using the EVM.

The TUSB3210 EVM design allows great evaluation flexibility and provides a

platform that is practical and easy to use. The EVM is designed to run on a

12-MHzcrystalandusesanI2CEEPROM.TheEVMissetupforbus-powered

operation using a 5-V to 3.3-V voltage regulator. The UART port is disabled.

The firmware installed in the EEPROM allows USB HID-class-enabled

operating systems such as Windows98, Windows2000, WindowsME,

and MacOSto directly access it like a keyboard, although it does not have

one.

Reference firmware is installed and the source code is available to

developers.TheRS-232 port is available formonitoring8052MCUactivityfor

debugging purposes. The port uses a one-to-one serial port cable instead of

a null modem. Several test points have been added to the EVM for probing.

Carefully review all setting changes prior to powering the EVM, as improper

use could result in damage to some of the EVM components.

ThisEVMisgenericinthesensethatitprovidesa50-pinconnectorthatallows

accesstotheGPIOpinsoftheTUSB3210.Itismeanttobeusedinconjunction

with another application-specific daughterboard that connects to the 50-pin

connector. An example of such daughterboard is shown in Figure 1–3. The

user is responsible for developing his/her own application firmware for the

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