Quectel LC86L EVB User manual

LC86L EVB User Guide
GNSS Module Series
Rev. LC86L_EVB_User_Guide_V1.0
Date: 2020-04-10
Status: Preliminary
www.quectel.com

GNSS Module Series
LC86L EVB User Guide
LC86L_EVB_User_Guide 1 /22
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Copyright © Quectel Wireless Solutions Co., Ltd. 2019. All rights reserved.

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About the document
History
Revision
Date
Author
Description
1.0
2020-04-10
Andy ZHAO
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. Top view of LC86L EVB ..............................................................................................................7
2.2. LC86L EVB & Kit Accessories ....................................................................................................9
2.3. EVB and Accessories Assembly...............................................................................................10
3Interface Applications .......................................................................................................................11
3.1. Micro-USB Interface..................................................................................................................11
3.2. Antenna Interface......................................................................................................................12
3.3. Switches and Buttons ...............................................................................................................12
3.4. Operation Status Indication LEDs.............................................................................................14
3.5. Test Points.................................................................................................................................15
4EVB Operation Procedures...............................................................................................................16
4.1. Communication via Micro-USB Interface..................................................................................16
4.2. Firmware Download..................................................................................................................17
5PowerGPS instructions.....................................................................................................................18
5.1. COM Port and Baud Rate Setting.............................................................................................18
5.1.1. PowerGPS interface description....................................................................................19
5.2. PMTK Command Sending........................................................................................................20
5.3. Automatic TTFF Testing............................................................................................................21
6Appendix A Reference.......................................................................................................................27

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Table Index
TABLE 1: INTERFACES OF LC86L EVB............................................................................................................ 8
TABLE 2: LIST OF ACCESSORIES.................................................................................................................... 9
TABLE 3: SWITCHES AND BUTTONS............................................................................................................. 13
TABLE 4: OPERATION STATUS INDICATION LEDS....................................................................................... 14
TABLE 5: PIN DESCRIPTION........................................................................................................................... 15

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Figure Index
FIGURE 1: TOP VIEW OF LC86L EVB............................................................................................................... 7
FIGURE 2: LC86L EVB & KIT ACCESSORIES .................................................................................................. 9
FIGURE 3: LC86L EVB AND ACCESSORIES ASSEMBLY.............................................................................. 10
FIGURE 4: MICRO-USB CONNECTOR ............................................................................................................11
FIGURE 5: ANTENNA CONNECTOR............................................................................................................... 12
FIGURE 6: SWITCHES AND BUTTONS .......................................................................................................... 13
FIGURE 7: OPERATION STATUS INDICATION LEDS .................................................................................... 14
FIGURE 8: TEST POINTS - J104...................................................................................................................... 15
FIGURE 9: USB PORTS ................................................................................................................................... 16
FIGURE 10: COM PORT SETTING OF QCOM................................................................................................ 16
FIGURE 11: FLASH TOOL CONFIGURATION AND FIRMWARE UPGRADE................................................. 17
FIGURE 12: POWERGPS MAIN INTERFACE (NOT CONNECTED)............................................................... 18
FIGURE 13: POWERGPS MAIN INTERFACE (CONNECTED) ....................................................................... 19
FIGURE 14: PMTK COMMAND SENDING VIA POWERGPS ......................................................................... 21
FIGURE 15: STATIC TTFF TESTING VIA POWERGPS .................................................................................. 22
FIGURE 16: CHOOSE REFERENCE LOCATION............................................................................................ 23
FIGURE 17: CLICK USE MEAN POSITION ..................................................................................................... 23
FIGURE 18: CLICK CONFIG ............................................................................................................................ 24
FIGURE 20: CLICK RUN/STOP BUTTON........................................................................................................ 26

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1Introduction
This document specifies the usage of LC86L EVB (Evaluation Board) which is an assistant tool for
engineers to develop and test Quectel LC86Lmodule.
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 LC86L module. Manufacturers of the terminal should notify
users and operating personnel of the following safety information by incorporating these guidelines into all
manuals supplied with the product. If not so, Quectel assumes no liability for any failure to comply with
these precautions.
Be assure the use of the product conforms to the national safety and
environmental regulations, and is allowed in the country and in 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 hazards.
The product has to be powered by a stabilized voltage source, and the wiring
shall 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 of LC86L EVB
The following figure illustrates the top view of LC86L EVB.
Figure 1: Top View of LC86L EVB

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Table 1: Interfaces of LC86L EVB
SN.
Designator
Description
A
Y404
LC86L module
B
J403
Antenna connector
C
S101
Power switch
D
J103
Micro-USB connector
E
S302
Force_on button
F
J301
Reset button
G
U201
USB and SD switch
H
D303,D304,D305,D306,D307
Indication LEDs
I
S401
Boot button

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2.2. LC86L EVB & Kit Accessories
Figure 2: LC86L EVB & Kit Accessories
Table 2: List of Accessories
Items
Description
Quantity
USB Cable
USB cable
1
EVB
Evaluation board
1
Antenna
GNSS antenna (active)
1
USB Flash Drive
USB flash drive (including LC86L related documents,
tools, drivers, etc.)
1
Instruction Sheet
A sheet of paper giving instructions for EVB
connection, details of EVB accessories, etc.
1
Others
Bolts and coupling nuts
4 pairs