Quectel L76 Manuel utilisateur
L76 EVB User Guide
GNSS Module Series
Rev. L76_EVB_User_Guide_V1.1
Date: 2013-04-02
www.quectel.com
GNSS Module
L76 EVB User Guide
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About the document
History
Revision
Date
Author
Description
1.0
2013-02-25
Dishon ZHOU
Initial
1.1
2013-03-26
Dishon ZHOU
Optimized the contents of Chapter 3.
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Contents
About the document ................................................................................................................................... 2
Contents....................................................................................................................................................... 3
Table Index................................................................................................................................................... 4
Figure Index ................................................................................................................................................. 5
1Introduction .......................................................................................................................................... 6
2Introduction to EVB Kit ....................................................................................................................... 7
2.1. EVB Top and Bottom View.......................................................................................................... 7
2.2. EVB Accessories......................................................................................................................... 8
3Interface Application ......................................................................................................................... 10
3.1. USB Interface............................................................................................................................ 10
3.2. UART Interface.......................................................................................................................... 11
3.3. Antenna Interface...................................................................................................................... 12
3.4. Switches and Buttons ............................................................................................................... 13
3.5. Operating Status LEDs ............................................................................................................. 14
3.6. Test Points................................................................................................................................. 15
4EVB and Accessories........................................................................................................................ 17
5Install Device Driver........................................................................................................................... 18
6Starting PowerGPS ............................................................................................................................ 19
7Appendix A Reference....................................................................................................................... 25
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Table Index
TABLE 1: PINS OF UART PORT .......................................................................................................................11
TABLE 2: SWITCHES AND BUTTONS............................................................................................................. 13
TABLE 3: OPERATING STATUS LEDS ............................................................................................................ 14
TABLE 4: PINS OF J106 ................................................................................................................................... 15
TABLE 5: EXPLANATIONS OF POWERGPS WINDOW .................................................................................. 20
TABLE 6: REFERENCE .................................................................................................................................... 25
TABLE 7: ABBREVIATIONS .............................................................................................................................. 25
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Figure Index
FIGURE 1: EVB TOP VIEW ................................................................................................................................ 7
FIGURE 2: EVB BOTTOM VIEW ........................................................................................................................ 8
FIGURE 3: EVB ACCESSORIES ........................................................................................................................ 9
FIGURE 4: MICRO-USB INTERFACE .............................................................................................................. 10
FIGURE 5: UART INTERFACE ..........................................................................................................................11
FIGURE 6: ANTENNA INTERFACE .................................................................................................................. 12
FIGURE 7: LNA LAYOUT .................................................................................................................................. 12
FIGURE 8: SWITCHES AND BUTTONS .......................................................................................................... 13
FIGURE 9: OPERATING STATUS LEDS .......................................................................................................... 14
FIGURE 10: TEST POINTS J106...................................................................................................................... 15
FIGURE 11: EVB AND ACCESSORY EQUIPMENTS ...................................................................................... 17
FIGURE 12: POWERGPS TOOL ...................................................................................................................... 19
FIGURE 13: MTK COMMAND .......................................................................................................................... 21
FIGURE 14: STATIC TTFF TESTING ............................................................................................................... 22
FIGURE 15: STATIC TTFF TESTING CONFIGURATION OPTIONS ............................................................... 23
FIGURE 16: STATIC TTFF TESTING CONFIGURATION ................................................................................ 24
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1Introduction
This document defines and specifies the usage of L76 EVB (Evaluation Board). You can get useful
information about L76 EVB and GNSS demo tool from this document.
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2Introduction to EVB Kit
2.1. EVB Top and Bottom View
Figure 1: EVB Top View
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Figure 2: EVB Bottom View
A: UART port
B: Serial port alternation switch
C: RESET button
D: FORCE_ON button
E: POWER switch
F: Micro-USB port
G: Indication LEDs
H: Antenna interface
I: L76 Module
J: STANDBY switch
K: Test points
2.2. EVB Accessories
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Figure 3: EVB Accessories
A: USB cable
B: GNSS active antenna (3.3V)
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