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Summary of Contents for Quectel L20
- Page 1 Quectel GPS Engine sales@eddywireless.com EVB User Guide L20_EVB_User_Guide_V1.0...
- Page 2 L20_EVB_User_Guide_V1.0 General Notes Quectel offers this information as a service to its customers, to support application and engineering efforts that use the products designed by Quectel. The information provided is based upon requirements specifically provided to Quectel by the customers. Quectel has not undertaken any independent search for additional relevant information, including any information that may be in the customer’s possession.
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Page 3: Table Of Contents
L20 EVB User Guide Contents 0. Revision History ........................... 5 1. Introduction ........................... 6 1.1. Reference ..........................6 1.2. Abbreviations ........................6 2. EVB Kit Introduction ........................7 2.1. EVB Top and Bottom View ....................7 2.2. EVB Accessories ......................... 9 3. - Page 4 L20 EVB User Guide Table Index TABLE 1: REFERENCE .......................... 6 TABLE 2: ABBREVIATIONS ......................... 6 TABLE 3: PINS OF UART PORT ......................11 TABLE 4: SWITCHES AND BUTTONS ....................13 TABLE 5: OPERATING STATUS LEDS ....................13 TABLE 6: PINS OF J102 & J104......................14 L20_EVB_User_Guide_V1.0...
- Page 5 L20 EVB User Guide Figure Index FIGURE 1: EVB TOP VIEW ........................7 FIGURE 2: EVB BOTTOM VIEW ......................8 FIGURE 3: EVB ACCESSORIES ......................9 FIGURE 4: POWER INTERFACE ......................10 FIGURE 5: UART INTERFACE ......................11 FIGURE 6: ANTENNA INTERFACE ....................12 FIGURE 7: SWITCHES .........................
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Page 6: Revision History
L20 EVB User Guide 0. Revision History Revision Date Author Description of change 2010-12-20 Roy Chen Initial L20_EVB_User_Guide_V1.0 - 5 -... -
Page 7: Introduction
L20 EVB User Guide 1. Introduction This document defines and specifies the usage of L20 EVB (Evaluation Board). Customer can get useful information about L20 EVB and GPS demo tool from this document. 1.1. Reference Table 1: Reference Document name... -
Page 8: Evb Kit Introduction
L20 EVB User Guide 2. EVB Kit Introduction 2.1. EVB Top and Bottom View Figure 1 : EVB top view L20_EVB_User_Guide_V1.0 - 7 -... - Page 9 L20 EVB User Guide Figure 2 : EVB bottom view A: GPS UART port B: Antenna interface C: Adapter interface D: Test points E: L20 Module F: POWER switch G: NC switch (Reserve for future development) H: NC botton (Reserve for future development)
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Page 10: Evb Accessories
L20 EVB User Guide 2.2. EVB Accessories Figure 3: EVB accessories A: GPS active antenna (3.3V) B: Serial port cable (USB 2.0) C: DC5V/2A power adapter L20_EVB_User_Guide_V1.0 - 9 -... -
Page 11: Interface Application
L20 EVB User Guide 3. Interface Application 3.1. Power Interface Figure 4 : Power interface L20_EVB_User_Guide_V1.0 - 10 -... -
Page 12: Uart Interface
L20 EVB User Guide 3.2. UART Interface Figure 5 : UART interface Table 3: Pins of UART port Signal Description TXD(RS232) Transmit data RXD(RS232) Receive data L20_EVB_User_Guide_V1.0 - 11 -... -
Page 13: Antenna Interface
L20 EVB User Guide 3.3. Antenna Interface Figure 6: Antenna interface 3.4. Switches Figure 7: Switches L20_EVB_User_Guide_V1.0 - 12 -... -
Page 14: Operating Status Leds
L20 EVB User Guide Table 4: Switches and buttons Part Name Description POWER Control power supply from adapter 3.5. Operating Status LEDs Figure 8: Operating status LEDs Table 5: Operating status LEDs Part Name Description Flash: GPS Data export from TXD... -
Page 15: Test Points
L20 EVB User Guide 3.6. Test Points Figure 9: Test points J102 & J104 Table 6: Pins of J102 & J104 Signal Description TXD1 Transmit GPS data RXD1 Receive GPS data Supply voltage to module L20_EVB_User_Guide_V1.0 - 14 -... -
Page 16: Evb And Accessories
L20 EVB User Guide 4. EVB and Accessories T he EVB and its accessories are equipped as shown in Figure 10. Figure 10: EVB and accessory equipments L20_EVB_User_Guide_V1.0 - 15 -... -
Page 17: Starting Sirflive
The SiRFLive tool can help user to view the status of GPS receiver and record NMEA data. The steps of using SiRFLive for L20 are described as below: 1. After finishing assembling the EVB as figure 10, connect the RS232 to USB cable to PC, and power on the module, the LED GPS_TXD_DATA will be flash. - Page 18 L20 EVB User Guide 3. The operation window will show NMEA data, Signal view, Radar view, Location map and Position information including UTC, latitude, longitude, altitude, HDOP, speed and so on. 4. Click button , the reset window will pop up as below: L20_EVB_User_Guide_V1.0...
- Page 19 L20 EVB User Guide 5. Select reset mode and click “Send” to implement Cold Start, Warm Start or Hot Start. Save NMEA data with below toolbar: 6. Record log and Stop log with below menu: L20_EVB_User_Guide_V1.0 - 18 -...
- Page 20 Shanghai Quectel Wireless Solutions Co., Ltd. Room 501, Building 9, No.99, Tianzhou Road, Shanghai, China 200233 Tel: +86 21 5108 2965 Mail: info@quectel.com sales@eddywireless.com...
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