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GNSS Module Series About the Document Document Information Title LG69T (AI,AJ) EVB User Guide Subtitle GNSS Module Series Document Type EVB User Guide Document Status Released Revision History Version Date Description 2022-02-28 Creation of the document 2022-06-15 First official release Added the Type-B USB cable (Chapter 2 and 3).
GNSS Module Series Contents Safety Information ............................3 About the Document ..........................4 Contents ..............................5 Table Index ..............................6 Figure Index ..............................7 Introduction ............................8 General Overview ..........................9 2.1. EVB Kit ............................9 2.2. Connect Cables and Antenna to EVB ..................10 EVB User Interfaces ..........................
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GNSS Module Series Table Index Table 1: List of Kit Components ........................9 Table 2: Detailed EVB Interfaces ....................... 12 Table 3: J302 Pin Assignment: ........................13 Table 4: J302 Pin Detailed Description ...................... 13 Table 5: QGNSS Interface Explanation...................... 17 Table 6: Related Document ........................
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GNSS Module Series Figure Index Figure 1: EVB and Components ........................9 Figure 2: EVB and Components Assembly ....................10 Figure 3: EVB Top View ..........................11 Figure 4: USB Ports ........................... 14 Figure 5: COM Port Setting Interface of QCOM ..................14 Figure 6: RTCM Message Output –...
GNSS Module Series Introduction This document provides information on the steps needed to evaluate the Quectel LG69T(AI) and LG69T (AJ) using the Evaluation Board (EVB). The EVB is a convenient tool that allows you to become familiar with the LG69T (AI) and LG69T (AJ).
General Overview 2.1. EVB Kit The EVB Kit includes: Evaluation Board (EVB), Quectel Active GNSS Antenna, Micro-USB Cable, Type-B USB Cable, Bolts and Coupling Nuts. Download the software tools (QCOM, QGNSS and GNSSFlashTool) from our website Download Zone or request them from Quectel Technical Support.
GNSS Module Series Support. Sheet providing instructions on how to connect the EVB and Instruction Sheet its components, detailed information on EVB contents, etc. Others Bolts and Coupling Nuts 4 pairs 2.2. Connect Cables and Antenna to EVB The connection between the EVB and its components is shown in the figure below. For more information on how to connect the EVB and its components, refer to the instruction sheet inside the EVB Kit.
GNSS Module Series EVB User Interfaces 3.1. EVB Top View EVB top view is shown in the figure below. D109 D309 5V/3.3V indication LED TXD/1PPS indication LED J401 LG69T_ANT U301 GNSS module J302 EVB Version Test points J101 POWER_5V J201 S201 USB_UART RESET_GNSS...
GNSS Module Series 3.2. EVB Interfaces The EVB interfaces are detailed in the table below. Table 2: Detailed EVB Interfaces Function Interfaces Description Power supply input: J101 ⚫ Power Supply DC power supply: 4.5–5.5 V, typ. 5.0 V POWER_5V ⚫ Current capability should be >...
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GNSS Module Series J302 Pins are detailed in Table 3 and Table 4 below. Test Points Test Points Test point distribution is shown below: Table 3: J302 Pin Assignment: SPI_MOSI SPI_SCK TXD1 RXD1 1PPS SPI_CS SPI_MISO TXD2 RXD2 Table 4: J302 Pin Detailed Description Pin Name Description NC (Not connected)
Step 3: View the USB port numbers in the Device Manager, as shown in the figure below. Figure 4: USB Ports Step 4: Install the QCOM tool provided by Quectel. The COM interface for QCOM port setting is shown in the figure below (default baud rate: 460800 bps Figure 5: COM Port Setting Interface of QCOM Step 5: Select the correct “COM Port”...
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GNSS Module Series Step 6: Click “Open Port” to establish communication with the EVB, as shown in the Figure 5. The RTCM message output by the module will be displayed in the receiving bar of the QCOM tool, as shown in the Figure 6.
Test via QGNSS Tool This chapter explains how to use the QGNSS software tool for verifying the status of GNSS modules. You can request the QGNSS tool from Quectel Technical Support. For more information about QGNSS use, see document [2].
GNSS Module Series 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) 5.1.1. QGNSS Interface Explanation You can view GNSS information, such as C/N message, time, position, speed, and precision in the QGNSS interface.
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GNSS Module Series GPS satellite BDS satellite GLONASS satellite Galileo satellite QZSS satellite NavIC (IRNSS) satellite ⚫ PRN 30 C/N is 39 dB-Hz. ⚫ Column in bright red means that the navigation data of the satellites are in use. ⚫ PRN 1 C/N is 21 dB-Hz.
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GNSS Module Series ⚫ Total Times ⚫ Fixed Points RTK Float ⚫ ⚫ RTK Fixed LG69T(AI,AJ)_EVB_User_Guide 19 / 27...
Firmware Download and Upgrade via GNSSFlashTool The modules upgrade firmware with GNSSFlashTool via the UART interface. You can request the GNSSFlashTool from Quectel Technical Support. For more information about GNSSFlashTool use, see document [3]. 6.1. Firmware Download in Boot Download Mode Before you start the module firmware download process: First: Connect the EVB to a PC with a Micro-USB cable.
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GNSS Module Series Figure 10: Firmware Download – Step 2 Step 3: Click “Open File” to select module firmware, e.g., “LG69TAINR01A04V01_BOOT.bin” for LG69T (AI) module and “LG69TAJNR01A04V01_BOOT.bin” for LG69T (AJ) module. Figure 11: Firmware Download – Step 3 Step 4: Confirm the “Port” and “Baud Rate” as the enhanced COM Port and then click “Start” button. Press and hold the BOOT_GNSS button before flipping the power switch to ON position, and then release the BOOT_GNSS button to enter Boot download mode.
GNSS Module Series Step 5: Upon successful firmware download, the GNSSFlashTool green progress bar on the screen will indicate “PASS”. Figure 13: Successful Firmware Download – Step 5 6.2. Firmware Upgrade in Normal Operating Mode Before you start the firmware upgrade process, connect the EVB to a PC with a Micro-USB cable. First: Connect the EVB to a PC with a Micro-USB cable.
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GNSS Module Series Step 2: Select “LG69TAA_Upgrade” in the drop-down box of “Tool Options”. Figure 15: Firmware Upgrade – Step 2 Step 3: Click “Open File” to select module firmware, e.g. “LG69TAINR01A04V01_UPG.bin” for LG69T (AI) module and “LG69TAJNR01A04V01_UPG.bin” for LG69T (AJ) module. Figure 16: Firmware Upgrade –...
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GNSS Module Series Step 5: Upon successful firmware upgrade, the GNSSFlashTool green progress bar on the screen will indicate “PASS”. Figure 18: Successful Firmware Upgrade – Step 5 ⚫ NOTE Before firmware upgrade, ensure that the modules are in Continuous mode. LG69T(AI,AJ)_EVB_User_Guide 24 / 27...
GNSS Module Series Appendix References Table 6: Related Document Document Name Quectel_QCOM_User_Guide Quectel_QGNSS_User_Guide Quectel_GNSSFlashTool_User_Guide Table 7: Terms and Abbreviations Abbreviation Description 2 Dimension 3 Dimension BeiDou Navigation Satellite System Carrier-to-Noise Ratio Circular Error Probable COM Port Communication Port Digital Input Digital Output Ellipsoidal Height Electrostatic Discharge...
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GNSS Module Series Ground GNSS Global Navigation Satellite System Global Positioning System Input/Output IRNSS/NavIC Indian Regional Navigation Satellite System Light Emitting Diode Master In Slave Out MISO Master Out Slave In MOSI Micro-USB Micro Universal Serial Bus Mean Sea Level Personal Computer Printed Circuit Board 1PPS...
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GNSS Module Series Coordinated Universal Time LG69T(AI,AJ)_EVB_User_Guide 27 / 27...
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