Quectel L80 User manual

L80&L80-R&L86&LC86L

EVB User Guide

GNSS Module Series

Version: 2.0

Date: 2020-12-22

Status: Released

www.quectel.com

GNSS Module Series

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

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General Notes

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information.All information supplied herein is subject to change without prior notice.

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from errors, it is possible that these functions and features could contain errors, inaccuracies and

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The information contained here is proprietary technical information of Quectel. Transmitting, reproducing,

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About the Document

Revision History

Version

Date

Author

Description

1.0

2014-08-18

Bond SUN

Initial

2.0

2020-12-22

Ronnie HU

1. Incorporated the information of L80, L80-R and L86

EVB user guides (created separately years ago) into

this manual.

2. Added the applicable module LC86L.

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Contents

About the Document...................................................................................................................................3

Contents.......................................................................................................................................................4

Table Index...................................................................................................................................................5

Figure Index.................................................................................................................................................6

1Introduction..........................................................................................................................................7

1.1. Safety Information.......................................................................................................................7

2General Overview.................................................................................................................................8

2.1. Top View......................................................................................................................................8

2.2. EVB KitAccessories ...................................................................................................................9

2.3. EVB and Accessories Assembly...............................................................................................10

3EVB Interfaces....................................................................................................................................12

3.1. Micro-USB Interface..................................................................................................................12

3.2. Antenna Interface......................................................................................................................12

3.3. Switches and Buttons ...............................................................................................................13

3.4. Status Indication LEDs..............................................................................................................14

3.5. Test Points.................................................................................................................................15

4EVB Operation Procedures...............................................................................................................17

4.1. Communication Through Micro USB Interface.........................................................................17

4.2. Firmware Upgrade....................................................................................................................18

5Using PowerGPS................................................................................................................................20

5.1. COM and Baud Rate Setting....................................................................................................20

5.1.1. Interface Explained ........................................................................................................21

5.2. PMTK Command Sending........................................................................................................22

5.3. Automatic TTFF Testing............................................................................................................23

6Appendix A References.....................................................................................................................28

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Table Index

Table 1:Available Interfaces ........................................................................................................................8

Table 2: List of Accessories........................................................................................................................ 10

Table 3: Switches and Buttons...................................................................................................................14

Table 4: Status Indication LEDs.................................................................................................................15

Table 5: Pin Description of Test Points (J401)........................................................................................... 16

Table 6: PowerGPS Interface Explained.................................................................................................... 21

Table 7: Related Documents...................................................................................................................... 28

Table 8: Terms and Abbreviations..............................................................................................................28

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Figure Index

Figure 1: Top View of the EVB.....................................................................................................................8

Figure 2: EVB Kit Accessories .....................................................................................................................9

Figure 3: EVB and Accessories Assembly..................................................................................................11

Figure 4: Micro-USB Connector.................................................................................................................12

Figure 5: Antenna Connector..................................................................................................................... 13

Figure 6: Switches and Buttons................................................................................................................. 13

Figure 7: Status Indication LEDs................................................................................................................14

Figure 8: GNSS EVB Test Points (J401).................................................................................................... 15

Figure 9: USB Ports ...................................................................................................................................17

Figure 10: COM Port Setting Interface of QCOM......................................................................................17

Figure 11: FlashTool Configurations for Firmware Upgrade...................................................................... 18

Figure 12: PowerGPS Interface (Not Connected)..................................................................................... 20

Figure 13: PowerGPS Interface (Connected)............................................................................................ 21

Figure 14: PMTK Command Sending via PowerGPS............................................................................... 23

Figure 15: Static TTFF Testing via PowerGPS ..........................................................................................24

Figure 16: Choose Reference Location..................................................................................................... 24

Figure 17: Click Use Mean Position...........................................................................................................25

Figure 18: Click Configuration....................................................................................................................25

Figure 19: Set TTFF Time-out (Sec).......................................................................................................... 26

Figure 20: Click Run/Stop Button............................................................................................................... 27

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1Introduction

In this document you can find the information on how to use the evaluation board (EVB) to develop and

test Quectel L80, L80-R, L86, and LC86L modules.

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 L80, L80-R, L86 and LC86L modules. Manufacturers of the

terminal should distribute the following safety information to users and operating personnel and include

these guidelines into all manuals supplied with the product. Otherwise, Quectel assumes no liability for

customers’ failure to comply with these precautions.

Ensure that the use of the product conforms to the national safety and

environmental regulations, and is allowed to be used in the country and in the

required environment.

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 hazards.

The product must be powered by a stable voltage source. Additionally, the wiring

must conform to security and fire prevention regulations.

Proper ESD handling procedures must be applied 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. Top View

The following figure illustrates the top view of the EVB.

Figure 1: Top View of the EVB

Table 1: Available Interfaces

SN.

Reference Number

Description

J403

Antenna connector 1)

D303, D304, D305, D306,

D307

Indication LEDs 2) (see Chapter 3.4 for details)

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1. 1) The antenna connector is invalid for the L80-R module, as the module does not support an external

antenna.

2. 2) The L80-R does not support active antenna detection interface, so the D307 (AADET_N) is invalid for

this module as well. Additionally, D305 and D306 are not supported by any of the applicable modules.

3. 3) The L80 and L80-R modules do not support the FORCE_ON interface, so the FORCE_ON button is

invalid for those modules.

2.2. EVB Kit Accessories

Figure 2: EVB Kit Accessories

J401

Test points

U404

The module

S201

USB ←→ SD Card (USB/SD Card alternation switch)

S101

POWER switch

J103

Micro-USB connector

S302

FORCE_ON button 3)

S301

RESET button

NOTES

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