Quectel GNSS Module Series Manual de usuario

LG69T (AA)

EVB User Guide

GNSS Module Series

Rev. LG69T(AA)_EVB_User_Guide_V1.0

Date: 2020-04-23

Status: Preliminary

www.quectel.com

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Our aim is to provide customers with timely and comprehensive service. For any

assistance, please contact our company headquarters:

Quectel Wireless Solutions Co., Ltd.

Building 5, Shanghai Business Park Phase III (Area B), No.1016 Tianlin Road, Minhang District, Shanghai

200233, China

Tel: +86 21 5108 6236

Email: [email protected]om

Or our local office. For more information, please visit:

http://www.quectel.com/support/sales.htm

For technical support, or to report documentation errors, please visit:

http://www.quectel.com/support/technical.htm

Or email to: support@quectel.com

GENERAL NOTES

QUECTEL OFFERS THE INFORMATION AS A SERVICE TO ITS CUSTOMERS. THE INFORMATION

PROVIDED IS BASED UPON CUSTOMERS’ REQUIREMENTS. QUECTEL MAKES EVERY EFFORT

TO ENSURE THE QUALITY OF THE INFORMATION IT MAKES AVAILABLE. QUECTEL DOES NOT

MAKE ANY WARRANTY AS TO THE INFORMATION CONTAINED HEREIN, AND DOES NOT ACCEPT

ANY LIABILITY FOR ANY INJURY, LOSS OR DAMAGE OF ANY KIND INCURRED BY USE OF OR

RELIANCE UPON THE INFORMATION. ALL INFORMATION SUPPLIED HEREIN IS SUBJECT TO

CHANGE WITHOUT PRIOR NOTICE.

THE INFORMATION CONTAINED HERE IS PROPRIETARY TECHNICAL INFORMATION OF QUECTEL

WIRELESS SOLUTIONS CO., LTD. TRANSMITTING, REPRODUCTION, DISSEMINATION AND

EDITING OF THIS DOCUMENT AS WELL AS UTILIZATION OF THE CONTENT ARE FORBIDDEN

WITHOUT PERMISSION. OFFENDERS WILL BE HELD LIABLE FOR PAYMENT OF DAMAGES. ALL

RIGHTS ARE RESERVED IN THE EVENT OF A PATENT GRANT OR REGISTRATION OF A UTILITY

MODEL OR DESIGN.

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About the Document

Revision History

Version

Date

Author

Description

1.0

2020-04-23

Gobber HU

Initial

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Contents

About the Document...................................................................................................................................2

Contents.......................................................................................................................................................3

Table Index...................................................................................................................................................4

Figure Index.................................................................................................................................................5

1Introduction..........................................................................................................................................6

1.1. Safety Information.......................................................................................................................6

2General Overview.................................................................................................................................7

2.1. EVB Top View..............................................................................................................................7

3Interface Applications .........................................................................................................................9

3.1. Micro-USB to UART Interface (J201)..........................................................................................9

3.2. GNSSAntenna Interface (J401).................................................................................................9

3.3. Buttons......................................................................................................................................10

3.4. Operation Status Indication LEDs............................................................................................. 11

3.5. Test Points.................................................................................................................................12

4EVB Operation Procedures...............................................................................................................15

4.1. Communication through Micro-USB to UART Interface...........................................................15

4.2. Firmware Upgrade....................................................................................................................16

5Appendix A Reference.......................................................................................................................17

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Table Index

Table 1: Interfaces of LG69T (AA) EVB....................................................................................................... 7

Table 2: Switches and Buttons....................................................................................................................11

Table 3: Operation Status Indication LEDs.................................................................................................11

Table 4: Pin Definition of J303 Test Points................................................................................................. 12

Table 5: Pin Definition of J302 Test Points................................................................................................. 13

Table 6: Related Documents......................................................................................................................17

Table 7: Terms and Abbreviations.............................................................................................................. 17

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Figure Index

Figure 1: Top View of LG69T (AA) EVB....................................................................................................... 7

Figure 2: Micro-USB to UART Interface....................................................................................................... 9

Figure 3: GNSSAntenna Interface ............................................................................................................10

Figure 4: Switches and Buttons .................................................................................................................10

Figure 5: Operation Status Indication LEDs................................................................................................11

Figure 6: Test Points (J303) .......................................................................................................................12

Figure 7: Test Points (J302) .......................................................................................................................13

Figure 8: USB Port.....................................................................................................................................15

Figure 9: COM Port Setting Interface of QCOM........................................................................................15

Figure 10: GNSSFlashTool Configurations for Firmware Upgrade ...........................................................16

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1Introduction

This document specifies the usage of LG69T (AA) EVB (Evaluation Board) which is an assistant tool for

engineers to develop and test Quectel LG69T (AA) module.

1.1. Safety Information

The following safety precautions must be observed during all phases of operation, such as usage, service

or repair of any terminal incorporating Quectel GNSS module. Manufacturers of the terminal should notify

users and operating personnel of the following safety information by incorporating these guidelines into all

manuals of the product. Otherwise, Quectel assumes no liability for customers’ failure to comply with

these precautions.

Ensure the use of the product conforms to the local safety and environment

regulations, and is allowed in the country and the environment required.

Keep away from explosive and flammable materials. The use of electronic

products in extreme power supply conditions and locations with potentially

explosive atmospheres may cause fire and explosion accidents.

The product must be powered by a stable voltage source, and the wiring shall

conform to security precautions and fire prevention regulations.

Proper ESD handling procedures must be followed throughout the mounting,

handling and operation of any application that incorporates the module to avoid

ESD damages.

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2General Overview

2.1. EVB Top View

The following figure illustrates the top view of the EVB.

B C D

FG E

Figure 1: Top View of LG69T (AA) EVB

Table 1: Interfaces of LG69T (AA) EVB

SN.

Part No.

Description

D301, D302

Indication LEDs

J201

Micro-USB to UART interface

S101

Power switch

J101

5 V power interface

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J301

LG69T (AA) USB interface

S301

LG69T (AA) wakeup button

S202

Boot button

S201

LG69T (AA) reset button

J303, J701, J302

Test points

J401

LG69T (AA) antenna interface

U301

LG69T (AA) module

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3Interface Applications

3.1. Micro-USB to UART Interface (J201)

Micro-USB to UART interface can supply power to the EVB, and also supports data transmission.

Micro-USB to

UART Interface

Figure 2: Micro-USB to UART Interface

3.2. GNSS Antenna Interface (J401)

The GNSS antenna interface is used to connect an external passive or active GNSS antenna.

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