Quectel L76C, User Manual

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GNSS Module Series
L76C EVB User Guide
L76C_EVB_User_Guide 3 / 26
Contents
About the document ................................................................................................................................... 2
Contents ....................................................................................................................................................... 3
Table Index ................................................................................................................................................... 4
Figure Index ................................................................................................................................................. 5
1 Introduction .......................................................................................................................................... 6
1.1. Safety Information ....................................................................................................................... 7
2 General Overview ................................................................................................................................. 8
2.1. Top and Bottom Views ................................................................................................................ 8
2.2. Key Features ............................................................................................................................. 10
2.3. EVB Kit Accessories ................................................................................................................. 10
3 Interface Applications ....................................................................................................................... 12
3.1. Micro-USB Interface .................................................................................................................. 12
3.2. SD Card Interface ..................................................................................................................... 13
3.3. Antenna Interface ...................................................................................................................... 13
3.4. Switches and Buttons ............................................................................................................... 14
3.5. Operation Status Indication LEDs ............................................................................................. 15
3.6. Test Points ................................................................................................................................. 16
4 EVB and Accessories Assembly ...................................................................................................... 17
5 EVB Operation Procedures ............................................................................................................... 18
5.1. Communication via USB Interface ............................................................................................ 18
5.2. Firmware Upgrade .................................................................................................................... 19
6 Usage of uSTAR ................................................................................................................................. 20
6.1. uSTAR Interface ........................................................................................................................ 20
6.1.1. COM Port and Baud Rate Setting .................................................................................. 20
6.1.2. Explanations of uSTAR Interface ................................................................................... 21
6.2. Command Sending ................................................................................................................... 22
6.3. TTFF Testing ............................................................................................................................. 23
7 Appendix A Reference ....................................................................................................................... 26