Quectel L89 R2.0 User Manual Download Page 26

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GNSS Module Series

L89_R2.0_EVB_User_Guide 25 / 25

SDA

Serial Data Line

SPS

Standard Positioning Service

TTFF

Time to First Fix

TXD

Transmit Data (Pin)

UART

Universal Asynchronous Receiver/Transmitter

USB

Universal Serial Bus

UTC

Coordinated Universal Time

Summary of Contents for L89 R2.0

Page 1: ...L89 R2 0 EVB User Guide GNSS Module Series Version 1 0 Date 2021 09 29 Status Released ...

Page 2: ...employ 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 prov...

Page 3: ...offer for sale or otherwise maintain production of any our products or any other hardware software device tool information or product We moreover disclaim any and all warranties arising from the course of dealing or usage of trade Disclaimer a We acknowledge no liability for any injury or damage arising from the reliance upon the information b We shall bear no liability resulting from any inaccura...

Page 4: ...y with these precautions Ensure the use of the product conforms to the local safety and environment 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 accidents The prod...

Page 5: ... document Revision History Document Information Title L89 R2 0 EVB User Guide Subtitle GNSS Module Series Document Type EVB User Guide Document Status Released Version Date Description 2021 04 15 Creation of the document 1 0 2021 09 29 First official release ...

Page 6: ...on 8 2 General Overview 9 2 1 EVB Kit Accessories 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 Communicating via QCOM Tool 15 5 Testing via QGNSS Tool 17 5 1 COM Port and Baud Rate Setting 17 5 1 1 Interface Explanation 18 6 Firmware Upgrade via QGPSFlashTool 20 7 Appendix References 23 ...

Page 7: ...le Index Table 1 List of Accessories 10 Table 2 Detailed EVB Interfaces 13 Table 3 J401 Pin Assignment 14 Table 4 Detailed Description of J401 Pin 14 Table 5 QGNSS Interface Explanation 18 Table 6 Related Documents 23 Table 7 Terms and Abbreviations 23 ...

Page 8: ...15 Figure 5 COM Port Setting Interface of QCOM 15 Figure 6 NMEA Sentences Output Displayed on QCOM Tool Interface 16 Figure 7 QGNSS Setting 17 Figure 8 QGNSS Interface Connected 18 Figure 9 Firmware Upgrading Step 1 20 Figure 10 Firmware Upgrading Step 2 21 Figure 11 Firmware Upgrading Step 3 21 Figure 12 Firmware Upgrading Step 4 22 Figure 13 Successful Firmware Upgrading 22 ...

Page 9: ...eral sections Chapter 2 provides the general overview of EVB kit accessories Chapter 3 describes the EVB interfaces Chapter 4 describes how to communicate with the module via QCOM tool Chapter 5 describes how to test the module via QGNSS tool Chapter 6 describes how to upgrade the module via QGPSFlashTool tool Chapter 7 is an appendix which summarizes the relevant documents terms and abbreviations...

Page 10: ...antenna Micro USB cable bolts and coupling nuts Download the software tools QCOM QGNSS and QGPSFlashTool from our website Download Zone or contact Quectel Technical Supports The EVB kit accessories are shown in the figure below For more information see Table 1 Micro USB cable Bolts and coupling nuts GNSS antenna EVB Figure 1 EVB Kit Accessories ...

Page 11: ...n sheet with the EVB kit Figure 2 EVB and Accessories Assembly Items Description Quantity EVB Evaluation Board Size 80 mm 100 mm 1 USB Cable Micro USB cable 1 GNSS Antenna L89 R2 0 active GNSS antenna Request the antenna datasheet from Quectel Technical Supports 1 Instruction Sheet The document provides instructions on how to connect the EVB and its accessories detailed information on EVB accessor...

Page 12: ...GNSS Module Series L89_R2 0_EVB_User_Guide 11 25 Place the active GNSS antenna where it can detect the satellites with a clear view of the sky NOTE ...

Page 13: ... figure below J403 Antenna connector D306 GEOFENCE indication LED D305 JAM_IND indication LED D304 TXD indication LED D303 1PPS indication LED D307 AADET_N indication LED J401 Test points S101 Power switch J103 Micro USB connector S302 WAKEUP button U404 L89 R2 0 module S301 RESET_N button Figure 3 EVB Top View ...

Page 14: ...ED Flashing Successful position fix Frequency 1 Hz Extinct No position fix D304 TXD Indication LED Flashing Data output from UART TXD pin Extinct or Bright No data output from UART TXD pin D305 JAM_IND Indication LED Flashing There is some jamming that may interfere with the desired signal s Extinct There is no jamming D306 GEOFENCE Indication LED Flashing Output high level Extinct Output low leve...

Page 15: ... S302 WAKEUP Button press the button for a short time and then release to wake up the module from Backup mode Test Points J401 Test Points Pins are detailed in Table 3 below Pin Name I O Description 3 0V PI NC SCL I O I2C serial clock SDA I O I2C serial data 3D_FIX DO 3D fix indication GND Ground RXD DI Receives data TXD DO Transmits data 1PPS DO 1 pulse per second RESET_N DI Resets the module GND...

Page 16: ... the EVB Step 3 Run the provided driver installer to install the USB driver Step 4 View the USB port number in the Device Manager Figure 4 USB Port Step 5 Install the QCOM tool provided by Quectel The COM Port Setting interface of QCOM is shown in the figure below Figure 5 COM Port Setting Interface of QCOM Step 6 Select the correct COM Port USB Port shown in Figure 4 above Step 7 Set the correct ...

Page 17: ...GNSS Module Series L89_R2 0_EVB_User_Guide 16 25 Figure 6 NMEA Sentences Output Displayed on QCOM Tool Interface ...

Page 18: ...9 R2 0 module For more information about QGNSS tool use see document 2 5 1 COM Port and Baud Rate Setting Step 1 Assemble the EVB accessories Step 2 Flip the Power switch S101 to ON position to power on the EVB Step 3 Start the QGNSS and click Setting and Serial Port Configuration the L89 R2 0 module supports 9600 bps by default Figure 7 QGNSS Setting ...

Page 19: ... as CNR message time position speed and precision in the QGNSS interface See the following table to find out more about these parameters Table 5 QGNSS Interface Explanation Icon Explanation This sky view interface shows the position of the satellites in use The left column icons show the satellites in use and their numbers BDS BeiDou 4 GLO GLONASS 0 GPS 11 GAL Galileo 0 QZSS 0 NavIC IRNSS 0 SBAS 0...

Page 20: ... use PRN 1 CNR is 21 dB Hz Column in light red means that the navigation data of this satellite are not in use Longitude unit degree Latitude 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 UTC Date and Time Total Duration unit second Last TTFF unit second Quality Indicator Total Times Fixed Point...

Page 21: ...t Connect the EVB to a PC with a Micro USB cable Second Flip the power switch S101 to ON position to power on the EVB Firmware upgrade steps Step 1 Start QGPSFlashTool Click Config then select Options and the interface of QGPSFlashTool will pop up as shown in the figure below Figure 9 Firmware Upgrading Step 1 Step 2 In the Options popup window set the number of channels to be used In the Tool Opt...

Page 22: ...w Figure 11 Firmware Upgrading Step 3 Step 4 Select the Serial Port and Baudrate of the used COM Port If the power switch S101 is in the ON position after clicking Start button press the RESET_N button on the EVB hold it for 100 ms and then release it to start downloading If the EVB is in a power off state after clicking Start flip the power switch S101 to the ON position to start downloading ...

Page 23: ...er_Guide 22 25 Figure 12 Firmware Upgrading Step 4 Step 5 When the firmware upgrade is successful the QGPSFlashTool green progress bar on the screen will indicate 100 as shown in the figure below Figure 13 Successful Firmware Upgrading ...

Page 24: ..._User_Guide 3 Quectel_L89_R2 0_Hardware_Design 4 Quectel_QGPSFlashTool_User_Guide Abbreviation Description 2D 2 Dimension 3D 3 Dimension BeiDou BeiDou Navigation Satellite System CEP Circular Error Probable CNR Carrier to Noise Ratio COM Port Communication Port DC Direct Current DI Digital Input DO Digital Output EPH Ellipsoidal Height ESD Electrostatic Discharge EVB Evaluation Board ...

Page 25: ...l Navigation Satellite System LED Light Emitting Diode LNA Low Noise Amplifier MSC Mobile Switching Center NavIC Indian Regional Navigation Satellite System NMEA National Marine Electronics Association PC Personal Computer PCB Printed Circuit Board PI Power Input 1PPS One Pulse Per Second PRN Pseudorandom Noise QZSS Quasi Zenith Satellite System RF Radio Frequency RMS Root Mean Square RTK Real Tim...

Page 26: ... 0_EVB_User_Guide 25 25 SDA Serial Data Line SPS Standard Positioning Service TTFF Time to First Fix TXD Transmit Data Pin UART Universal Asynchronous Receiver Transmitter USB Universal Serial Bus UTC Coordinated Universal Time ...

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