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GNSS Module Series

LC76F_EVB_User_Guide 12 / 26

3

EVB Interfaces

3.1.

EVB Top View

EVB top view is shown in the figure below.

D101

1PPS and TXD

Indication LEDs

U101

LC76F module

J106

Test points

J101

Antenna connector

J201

Micro-USB connector

S201

Power switch

Z101

RESET_N button

S301

UART

↔

USB switch

Figure 3: EVB Top View

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Summary of Contents for LC76F

Page 1: ...LC76F EVB User Guide GNSS Module Series Version 1 0 Date 2022 06 23 Status Released ...

Page 2: ...ploy commercially reasonable efforts to provide the best possible experience you hereby acknowledge and agree that this document and related services hereunder are provided to you on an as available basis We may revise or restate this document from time to time at our sole discretion without any prior notice to you Use and Disclosure Restrictions License Agreements Documents and information provid...

Page 3: ...mplement module functionality certain device data are uploaded to Quectel s or third party s servers including carriers chipset suppliers or customer designated servers Quectel strictly abiding by the relevant laws and regulations shall retain use disclose or otherwise process relevant data for the purpose of performing the service only or as permitted by applicable laws Before data interaction wi...

Page 4: ...se precautions Ensure that the product may be used in the country and the required environment as well as that it conforms to the local safety and environmental regulations 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 ...

Page 5: ... Document Revision History Document Information Title LC76F EVB User Guide Subtitle GNSS Module Series Document Type EVB User Guide Document Status Released Version Date Description 2021 07 21 Creation of the document 1 0 2022 06 23 First official release ...

Page 6: ...Overview 9 2 1 EVB Kit 9 2 2 Connecting Cables and Antenna to EVB 10 3 EVB Interfaces 12 3 1 EVB Top View 12 3 2 EVB Interfaces 13 4 Communication via QCOM Tool 15 4 1 Communication via the Micro USB Interface 15 5 Test via QGNSS Tool 17 5 1 QGNSS Setting 17 5 1 1 QGNSS Interface Explanation 19 6 Firmware Upgrade via QGPSFlashTool 21 6 1 Firmware Upgrade 21 7 Appendix References 25 ...

Page 7: ...e 1 Special Marks 8 Table 2 List of Kit Components 10 Table 3 Detailed EVB Interfaces 13 Table 4 J106 Pin Assignment 13 Table 5 J106 Pin Detailed Description 14 Table 6 QGNSS Interface Explanation 19 Table 7 Related Documents 25 Table 8 Terms and Abbreviations 25 ...

Page 8: ...ure 5 COM Port Setting Interface of QCOM 15 Figure 6 NMEA Messages Output Displayed on QCOM Tool Interface 16 Figure 7 QCOM Port and Baud Rate Setting 18 Figure 8 QGNSS Interface Connected 18 Figure 9 Firmware Upgrade Step 1 22 Figure 10 Firmware Upgrade Step 2 22 Figure 11 Firmware Upgrade Step 3 23 Figure 12 Firmware Upgrade Step 4 23 Figure 13 Successful Firmware Upgrade 24 ...

Page 9: ...escribes how to test the module via QGNSS tool Chapter 6 describes how to upgrade the module firmware via QGPSFlashTool Chapter 7 is an appendix which summarizes the relevant documents terms and abbreviations appearing herein 1 1 Special Marks Table 1 Special Marks For EVB schematic and PCB layout design files contact Quectel Technical Support support quectel com Mark Definition Unless otherwise s...

Page 10: ... flash drive Bolts and Coupling Nuts Download the software tools QCOM QGNSS QGPSFlashTool from our website Download Zone or request them from Quectel Technical Support The EVB Kit components are shown in the figure below and check Table 1 for details Bolts and coupling nuts Micro USB cable USB Flash Drive Active GNSS antenna EVB Figure 1 EVB and Components ...

Page 11: ...the EVB Kit Figure 2 EVB and Components Assembly Items Description Quantity EVB Evaluation Board Size 60 mm 70 mm 1 USB Cable Micro USB Cable 1 USB Flash Drive 8 GB USB Flash Drive including the module related documents tools and drivers 1 GNSS Antenna Active GNSS Antenna Request the Antenna Datasheet from Quectel Technical Support 1 Instruction Sheet Sheet providing instructions on how to connect...

Page 12: ...GNSS Module Series LC76F_EVB_User_Guide 11 26 Make sure that the Active GNSS Antenna is placed with a clear line of sight to the sky NOTE ...

Page 13: ...ces 3 1 EVB Top View EVB top view is shown in the figure below D101 1PPS and TXD Indication LEDs U101 LC76F module J106 Test points J101 Antenna connector J201 Micro USB connector S201 Power switch Z101 RESET_N button S301 UART USB switch Figure 3 EVB Top View ...

Page 14: ... output PGKC commands input output and firmware upgrade RF Input J101 Antenna Connector The antenna in the Kit supports GPS L1 C A GLONASS L1 Galileo E1 QZSS L1 C A SBAS L1 Signal Indication D101 Indication LEDS TXD Blue LED Flashing Data output from UART TXD pin Extinct or Bright No data output from UART TXD 1PPS Red LED Flashing Successful position fix The frequency is 1 Hz Extinct No position f...

Page 15: ...de 14 26 Table 5 J106 Pin Detailed Description Pin Name I O Description 32K DRIN NC AADET_N NC 1PPS DO 1 pulse per second STANDBY NC GND Ground TIMER NC RESET_N DI Resets the module TXD DO Transmits data RXD DI Receives the data GND Ground ...

Page 16: ... with a Micro USB cable via the Micro USB interface Step 2 Flip the power switch S201 to ON position to power on the EVB and flip the UART USB switch S301 to USB position Step 3 Run the provided driver installer to install the USB driver Step 4 View the USB port numbers in the Device Manager as shown in Figure 4 below Figure 4 USB Port Step 5 Install the QCOM tool provided by Quectel The COM Port ...

Page 17: ...n Figure 4 above Step 7 Set the correct Baudrate Step 8 Click Open Port to establish communication with the EVB The NMEA messages output by the module will be displayed in the receiving bar of the QCOM tool as shown in the figure below Figure 6 NMEA Messages Output Displayed on QCOM Tool Interface ...

Page 18: ...r website Download Zone or request it from Quectel Technical Support 5 1 QGNSS Setting Step 1 Assemble the EVB components Step 2 Flip the power switch S201 to ON position to power on the EVB and flip the UART USB switch S301 to USB position Step 3 Start the QGNSS and click Setting and Serial Port Configuration default baud rate 9600 bps 2 as shown in the figure below 2 UART interface default setti...

Page 19: ...76F_EVB_User_Guide 18 26 Figure 7 QCOM Port and Baud Rate Setting Step 4 Click the Connect or disconnect button The interface shown in the figure below appears once the module is connected Figure 8 QGNSS Interface Connected ...

Page 20: ...n of the satellites in use 1 The left column icons show the satellites in use and their number BDS 0 GLO GLONASS 7 GPS 8 GAL Galileo 0 QZSS 0 NavIC IRNSS 0 SBAS 0 2 The grid map on the right shows the position of the satellites in use GPS satellite BDS satellite GLONASS satellite Galileo satellite QZSS satellite NavIC IRNSS satellite PRN 8 C N0 is 22 dB Hz Column in bright red means that the navig...

Page 21: ...tude unit degree Altitude MSL unit m Altitude EPH unit m Receiver speed unit km h Horizontal dilution of precision Position dilution of precision Fix Mode 2D 3D Quality Indicator DGNSS DGPS GPS SPS mode UTC date and time Time of day 3 unit second Age of differential GPS data Last TTFF unit second Total Times Fixed Points RTK Float RTK Fixed ...

Page 22: ...he QGPSFlashTool from our website Download Zone or request it from Quectel Technical Support 6 1 Firmware Upgrade Before you start the firmware upgrade process First Connect the EVB to a PC with Micro USB cable Second Flip the power switch S201 to ON position to power on the EVB and flip the UART USB switch S301 to USB position Firmware upgrade steps Step 1 Open QGPSFlashTool Click Config and sele...

Page 23: ...he Options popup window set the number of channels to be used In the Tool Options drop down box select LC76F and then click OK as shown in the figure below Figure 10 Firmware Upgrade Step 2 Step 3 Double click bin file to select bin file e g LC76FANR01A03_GLN bin as shown in the figure below ...

Page 24: ...hat will be used the selected baud rate will affect the firmware download speed and then click Start button to start downloading the firmware as shown in the figure below Figure 12 Firmware Upgrade Step 4 Step 5 Upon successful firmware upgrade the QGPSFlashTool green progress bar on the screen will indicate 100 as shown in the figure below ...

Page 25: ...GNSS Module Series LC76F_EVB_User_Guide 24 26 Figure 13 Successful Firmware Upgrade Make sure the module is in Continuous mode before upgrading the firmware NOTE ...

Page 26: ...er_Guide 3 Quectel_QGPSFlashTool_User_Guide Abbreviation Description 2D 2 Dimension 3D 3 Dimension BDS BeiDou Navigation Satellite System COM Port Communication Port C N0 Carrier to Noise Ratio DI Digital Input DO Digital Output ESD Electrostatic Discharge EVB Evaluation Board Galileo Galileo Satellite Navigation System EU GLONASS Global Navigation Satellite System Russia GND Ground ...

Page 27: ...l Marine Electronics Association 0183 Interface Standard PC Personal Computer PI Power Input PO Power Output 1PPS One Pulse Per Second QZSS Quasi Zenith Satellite System RXD Receive Data Pin SBAS Satellite Based Augmentation System SPS Standard Positioning Service TTFF Time to First Fix TXD Transmit Data Pin UART Universal Asynchronous Receiver Transmitter USB Universal Serial Bus UTC Coordinated ...

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