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Summary of Contents for Quectel L80 EVB
- Page 1 EVB User Guide GPS Module Series Rev. L80_EVB_User_Guide_V1.0 Date: 2013-07-25 www.quectel.com...
- Page 2 QUECTEL OFFERS THIS 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
GPS Module L80 EVB User Guide About the document History Revision Date Author Description 2013-07-25 Ada LI Initial L80_EVB_User_Guide Confidential / Released 2 / 20... -
Page 4: Table Of Contents
GPS Module L80 EVB User Guide Contents About the document ........................... 2 Contents ............................... 3 Table Index ..............................4 Figure Index ..............................5 Introduction ............................6 Introduction to EVB Kit ........................7 2.1. EVB Top and Bottom View ......................7 2.2. - Page 5 GPS Module L80 EVB User Guide Table Index TABLE 1: EVB BOTTOM VIEW ........................... 8 TABLE 2: EVB ACCESSORIES .......................... 9 TABLE 3: PINS OF UART PORT ........................11 TABLE 4: SWITCHES AND BUTTONS ......................13 TABLE 5: THE DESCRIPTION OF TEST POINTS ................... 14 TABLE 6: EXPLANATIONS OF POWERGPS WINDOW ..................
- Page 6 GPS Module L80 EVB User Guide 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 ........................
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Page 7: Introduction
GPS Module L80 EVB User Guide Introduction This document defines and specifies the usage of L80 EVB (Evaluation Board). You can get useful information about L80 EVB and GPS demo tool from this document. L80_EVB_User_Guide Confidential / Released 6 / 20... -
Page 8: Introduction To Evb Kit
GPS Module L80 EVB User Guide Introduction to EVB Kit 2.1. EVB Top and Bottom View Figure 1 : EVB Top View L80_EVB_User_Guide Confidential / Released 7 / 20... -
Page 9: Table 1: Evb Bottom View
GPS Module L80 EVB User Guide Figure 2 : EVB Bottom View Table 1: EVB Bottom View Index Description UART port Serial port alternation switch RESET button FORCE_ON Micro-USB port POWER switch PATCH Antenna L80 Module Active Antenna interface L80_EVB_User_Guide... -
Page 10: Evb Accessories
GPS Module L80 EVB User Guide Test points 2.2. EVB Accessories Figure 3: EVB Accessories Table 2: EVB Accessories Index Description USB cable L80_EVB_User_Guide Confidential / Released 9 / 20... -
Page 11: Interface Application
3.1. USB Interface Figure 4: Micro-USB Interface The main power is supplied via Micro-USB interface. Quectel provides two ways for data communication: Micro-USB and UART interface which are controlled by serial port alternation switch (S401). Both of RS232 and Micro-USB cable are necessary, if you want to use UART in order to output NEMA. So the easy way is that use Micro-USB cable which both provides the power and output NEMA. -
Page 12: Uart Interface
GPS Module L80 EVB User Guide 3.2. UART Interface Figure 5: UART Interface Table 3: Pins of UART Port Signal Description Receive data Transmit data L80_EVB_User_Guide Confidential / Released 11 / 20... -
Page 13: Antenna Interface
GPS Module L80 EVB User Guide 3.3. Antenna Interface Figure 6: Antenna Interface L80_EVB_User_Guide Confidential / Released 12 / 20... -
Page 14: Switches And Buttons
GPS Module L80 EVB User Guide 3.4. Switches and Buttons Figure 7: Switches and Buttons Table 4: Switches and Buttons Part Name Description QUECTEL EVB supplies two communicative Serial port alternation ways: Micro-USB and UART which are controlled switch by switch. -
Page 15: Test Point
GPS Module L80 EVB User Guide 3.5. Test Point Figure 8: Test Points Table 5: The Description of Test Points Signal Description TXD1 Transmit data RXD1 Receive data RESET System reset Ground 1PPS 1 pulse per second Logic high will force module to be waked up from backup mode. -
Page 16: Evb And Accessories
The EVB and its accessories are equipped as shown in Figure 9. Figure 9: EVB and Accessory Equipments NOTE The GPS active antenna is not included in L80EVB-KIT. It can be purchased separately by Quectel Sales Team, if it is necessary for your application. L80_EVB_User_Guide... -
Page 17: Install Device Driver
GPS Module L80 EVB User Guide Install Device Driver Please note that you need to install the driver of Micro-USB, when using Micro-USB for data communication. The driver has been stored in our FTP server. The driver of CP210x also can be downloaded from internet. The... -
Page 18: Starting Powergps
GPS Module L80 EVB User Guide Starting PowerGPS The PowerGPS version is V2.2.0. The PowerGPS tool can help user to view the status of GPS receiver conveniently. When the tool is opened, the following window will be displayed: Figure 10: PowerGPS Tool After EVB accessories are assembled, turn on the module and start up the PowerGPS. -
Page 19: Table 6: Explanations Of Powergps Window
GPS Module L80 EVB User Guide Table 6: Explanations of PowerGPS Window Icon Explanation SV with PRN 20. If the position of SV is near to the centre of the Sky View, the elevation angle of SV is close to 90° . Dark blue means this satellite is in tracking. - Page 20 GPS Module L80 EVB User Guide Figure 12: MTK Command L80_EVB_User_Guide Confidential / Released 19 / 20...
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Page 21: Appendix A Reference
GPS Module L80 EVB User Guide Appendix A Reference Table 7: Reference Document name Remark L80_Hardware_Design L80 Hardware Design L80_Protocol_Specification L80 Protocol Specification L80_Reference Design L80 Reference Design Table 8: Abbreviations Abbreviation Description Carrier-to-Noise Ratio Global Positioning System Pulse Per Second...
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