Related Manuals for Quectel LC79D (A) EVB
Summary of Contents for Quectel LC79D (A) EVB
- Page 1 LC79D (A) EVB User Guide GNSS Module Series Rev. LC79D(A)_EVB_User_Guide_V1.0 Date: 2019-11-14 Status: Released www.quectel.com...
- Page 2 QUECTEL OFFERS THE INFORMATION AS A SERVICE TO ITS CUSTOMERS. THE INFORMATION PROVIDED IS BASED UPON CUSTOMERS’ REQUIREMENTS. QUECTEL MAKES EVERY EFFORT TO ENSURE THE QUALITY OF THE INFORMATION IT MAKES AVAILABLE. QUECTEL DOES NOT MAKE ANY WARRANTY AS TO THE INFORMATION CONTAINED HEREIN, AND DOES NOT ACCEPT ANY LIABILITY FOR ANY INJURY, LOSS OR DAMAGE OF ANY KIND INCURRED BY USE OF OR RELIANCE UPON THE INFORMATION.
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Page 3: About The Document
GNSS Module Series LC79D (A) EVB User Guide About the Document History Revision Date Author Description 2019-11-14 Brooke WANG Initial LC79D(A)_EVB_User_Guide 1 / 21... -
Page 4: Table Of Contents
GNSS Module Series LC79D (A) EVB User Guide Contents About the Document ..........................1 Contents ..............................2 Table Index ..............................3 Figure Index ..............................4 Introduction ............................5 1.1. Safety Information ........................5 General Overview ..........................6 2.1. Top View of the EVB ........................6 2.2. - Page 5 GNSS Module Series LC79D (A) EVB User Guide Table Index TABLE 1: INTERFACES OF LC79D (A) EVB...................... 6 TABLE 2: LIST OF ACCESSORIES ........................8 TABLE 3: SWITCHES AND BUTTONS ......................10 TABLE 4: OPERATION STATUS INDICATION LEDS ..................11 TABLE 5: PIN DESCRIPTION OF J104 ......................
- Page 6 GNSS Module Series LC79D (A) EVB User Guide Figure Index FIGURE 1: TOP VIEW OF LC79D (A) EVB ......................6 FIGURE 2: EVB KIT ACCESSORIES ......................... 7 FIGURE 3: LC79D (A) EVB AND ACCESSORIES ASSEMBLY ................. 8 FIGURE 4: MICRO USB CONNECTOR ......................9 FIGURE 5: ANTENNA CONNECTOR .......................
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Page 7: Introduction
GNSS Module Series LC79D (A) EVB User Guide Introduction This document specifies the usage of LC79D (A) EVB which is an assistant tool for engineers to develop and test Quectel LC79D (A) module. 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 LC79D (A) module. -
Page 8: General Overview
LC79D (A) EVB User Guide General Overview 2.1. Top View of the EVB The following figure illustrates the top view of LC79D (A) EVB. Figure 1: Top View of LC79D (A) EVB Table 1: Interfaces of LC79D (A) EVB Reference No. -
Page 9: Evb Kit Accessories
GNSS Module Series LC79D (A) EVB User Guide J202 Micro USB connector S201 Power Switch S103 WAKE_UP Button S101 NSTANDBY Button S102 BOOT Button J104 Test Points U102 LC79D (A) Module J105 Test Points 2.2. EVB Kit Accessories Micro USB... -
Page 10: Evb And Accessories Assembly
EVB accessories, etc. Other Bolts and coupling nuts 4 for each 2.3. EVB and Accessories Assembly The following figure shows the assembly of LC79D (A) EVB and its accessories. Figure 3: LC79D (A) EVB and Accessories Assembly LC79D(A)_EVB_User_Guide 8 / 21... -
Page 11: Interface Applications
GNSS Module Series LC79D (A) EVB User Guide Interface Applications 3.1. Micro USB Interface The EVB is mounted with a micro USB connector to support power supply input and data transmission. Micro-USB connector Figure 4: Micro USB Connector NOTE Before using the EVB, please run the USB flash drive on PC to install the USB driver. -
Page 12: Switches And Buttons
GNSS Module Series LC79D (A) EVB User Guide Antenna connector Figure 5: Antenna Connector 3.3. Switches and Buttons The following figure illustrates the switches and buttons of the EVB. S103 S101 S102 S201 Figure 6: Switches and Buttons Table 3: Switches and Buttons Part No. -
Page 13: Operation Status Indication Leds
GNSS Module Series LC79D (A) EVB User Guide $PQSETSLEEP,1 command. Long press WAKE_UP button to exit from sleep mode, and then send $PQSTARTGNSS to start the GNSS engine. S201 POWER EVB power on/off switch 3.4. Operation Status Indication LEDs D101... -
Page 14: Test Points
GNSS Module Series LC79D (A) EVB User Guide 3.5. Test Points The following figure illustrates the test points of the EVB. Figure 8: J104 test points Table 5: Pin Description of J104 Pin No. Signal Description Clear to send Request to send... - Page 15 GNSS Module Series LC79D (A) EVB User Guide 1 2 3 4 5 Figure 9: J105 Test Points Table 6: Pin Description of J105 Pin No. Signal Description I2C serial clock I2C serial data Interrupt Ground VCC_1.8V 1.8V output power supply...
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Page 16: Evb Operation Procedures
GNSS Module Series LC79D (A) EVB User Guide EVB Operation Procedures This chapter mainly illustrates the operation procedures of LC79D (A) EVB. 4.1. Firmware Download The module supports firmware download in both normal working mode and host mode. 4.1.1. Firmware Download in Normal Working Mode Step 1: Connect the EVB to a PC with a micro USB cable. -
Page 17: Firmware Download In Host Mode
PC Device Manager, as shown below. Figure 12: USB Ports Step 3: Install and then use the QCOM tool provided by Quectel to realize the communication between the module and the PC. The following figure shows the COM Port Setting interface of QCOM: select the correct “COM Port”... - Page 18 GNSS Module Series LC79D (A) EVB User Guide Figure 13: COM Port Setting Interface of QCOM LC79D(A)_EVB_User_Guide 16 / 21...
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Page 19: Usage Of Qgnss
GNSS Module Series LC79D (A) EVB User Guide Usage of QGNSS QGNSS tool is used to check the status of GPS, GLONASS, BeiDou, Galileo and IRNSS receivers. This chapter mainly introduces how to use the tool while operating the EVB. For more details of the usage of QGNSS, please refer to document [5]. -
Page 20: Pq Command Sending
GNSS Module Series LC79D (A) EVB User Guide Figure 15: QGNSS Interface Through the QGNSS interface, users will be able to check GNSS receiver information such as CNR message, time, position, satellite information, precision and so on. 5.2. PQ Command Sending PQ commands can be sent through QGNSS. -
Page 21: Automatic Ttff Testing
GNSS Module Series LC79D (A) EVB User Guide 5.3. Automatic TTFF Testing TTFF under cold, warm and hot start conditions can be tested through QGNSS, and the number of tests can be selected from 10, 20, 50, 100 and 1000 to meet individual demands. -
Page 22: Appendix A References
GNSS Module Series LC79D (A) EVB User Guide Appendix A References Table 7: Related Documents Document name Remark Quectel_LC79D_Hardware_Design LC79D Hardware Design Quectel_LC79D_GNSS_Protocol_Specification LC79D GNSS Protocol Specification Quectel_LC79D_Reference Design LC79D Reference Design Quectel_QCOM_User_Guide QCOM User Guide Quectel_QGNSS_User_Guide QGNSS User Guide... - Page 23 GNSS Module Series LC79D (A) EVB User Guide Pulse Per Second Pseudorandom Noise Satellite Vehicle TTFF Time To First Fix Universal Time Coordinated LC79D(A)_EVB_User_Guide 21 / 21...