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RGM-3550LP User Manual
RGM-3550LP User Manual
Version 1.3
2008/11/19
This document contains information highly confidential to RoyalTek Company
LTD (RoyalTek). It is provided for the sole purpose of the business discussions
between supplier and RoyalTek and is covered under the terms of the
applicable Non-Disclosure Agreements. Disclosure of this information to other
parties is prohibited without the written consent of RoyalTek.
Prepared by RoyalTek Company LTD.
4F, No.188 Wen Hwa 2
Rd., Kuei Shan,
nd
Tao Yuan 33383, Taiwan
TEL: 886-3-3960001
FAX: 886-3-3280976
http://www.royaltek.com/contact
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Summary of Contents for RoyalTek RGM-3550LP
- Page 1 2008/11/19 This document contains information highly confidential to RoyalTek Company LTD (RoyalTek). It is provided for the sole purpose of the business discussions between supplier and RoyalTek and is covered under the terms of the applicable Non-Disclosure Agreements. Disclosure of this information to other parties is prohibited without the written consent of RoyalTek.
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Page 2: Revision History
Chipset Sensitivity: Cold start: 35 sec@ open sky Warm start: 35 sec@ open sky Hot start:1 sec @ open sky 1.3 2008.11.19 Add 25x25x2mm patch antenna drawing RGM-3550LP User Manual -159dBm (tracking) Editor Amanda Lee Amanda Lee Amanda Lee Amy Liu... -
Page 3: Table Of Contents
Introduction ...4 RGM-3550LP Picture and Pin Definition...5 RGM-3550LP System Block Diagram...6 RGM-3550LP Technique Specification...7 Mechanical Layout...10 How to Assemble/Fix RGM-3550LP ... 11 Software Specification and NMEA Protocol ...12 Package Specification and Order Information...18 RGM-3550LP User Manual Content... -
Page 4: Introduction
The 6-pin connector design is the easiest and convenient solution to be embedded in a portable device and receiver like PND, GPS mouse, car holder, personal locator, speed camera detector and vehicle locator. The excellent sensitivity of RGM-3550LP gets the great performance when going though the urban canyon and foliage. -
Page 5: Rgm-3550Lp Picture And Pin Definition
RGM-3550LP User Manual 2. RGM-3550LP Picture and Pin Definition Pin 1 Pin 6 31 ±0.3 mm 35 ± 0.3mm... -
Page 6: Rgm-3550Lp System Block Diagram
3. RGM-3550LP System Block Diagram System block diagram description: Patch antenna with 1 Stage LNA 4Mega bits flash memory on chip MMCX External Antenna Supported 6 pin I/O pin (see page 7, Interface pin definition) GPS Patch Antenna MMCX Switch... -
Page 7: Rgm-3550Lp Technique Specification
4. RGM-3550LP Technique Specification Function GPS receiver Chipset Frequency Code Channels Chipset Sensitivity Cold start Warm start Hot start Reacquisition Position accuracy Maximum altitude Maximum velocity Trickle power mode Update rate Testability Protocol setup Interface I/O Pin Mechanical requirements Dimension... - Page 8 DC power supply input pin. It provides voltage to module. Reference Ground Plane of RGM-3550. Boot select set this pin to high for programming flash. RGM-3550LP User Manual (except for SRAM battery backup -40 -40 ~ +85℃ to +60 degree Celsius) ≦95%...
- Page 9 4. LNA Noise Figure: <1.5dB How to use RGM-3550LP in 5V main board The power supply of RGM-3550LP is 3V. If customer would like use RGM-3550LP in 5V system, RoyalTek suggest customer use linear regulator (from 5V to 3.3V) on customer main board.
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Page 10: Mechanical Layout
RGM-3550LP User Manual 5. Mechanical Layout 25x25x4mm patch antenna 25x25x2mm patch antenna... -
Page 11: How To Assemble/Fix Rgm-3550Lp
RGM-3550LP User Manual 6. How to Assemble/Fix RGM-3550LP Below is our recommendation to assemble/fix up RGM-3550LP GPS module on the customer board or device case. Hole Hole... -
Page 12: Software Specification And Nmea Protocol
7. Software Specification and NMEA Protocol Software Specification Standard SiRF firmware for SSIII (GSW3 & SiRFLoc 3) Upload firmware GPS Firmware RGM-3550LP [GSW3][SBAS GGA(1), GSA(1), GSV(1), RMC(1) 9600 GPS Firmware, version 2.1.0.123 (default) GPS Utility A GPS performance diagnostic utility is required C/NO, TTFF... - Page 13 Differential GPS, SPS Mode, fix valid GPS PPS Mode, fix valid GLL-Geographic Position –Latitude/Longitude Table 3 contains the values of the following Example: $GPGLL, 3723.2475, N, 12158.3416, W, 161229.487, A*2C RGM-3550LP User Manual Table 2 GGA Data Format Example Units Description...
- Page 14 Satellite Used Satellite Used …. Satellite Used PDOP HDOP VDOP Checksum ＜CR＞＜LF＞ Value RGM-3550LP User Manual Table 3 GLL Data Format Units Description GLL protocol header ddmm.mmmm N=north or S=south Dddmm.mmmm E=east or W=west hhmmss.ss A=data valid or V=data not valid...
- Page 15 Depending on the number of satellites tracked multiple messages of GSV data may be required. RMC-Recommended Minimum Specific GNSS Data Table 6 contains the values of the following example: $GPRMC, 161229.487, A, 3723.2475, N, 12158.3416, W, 0.13, 309.62, 120598, ,*10 RGM-3550LP User Manual Table 4-2 Mode 2 Description Table 5 GGA Data Format...
- Page 16 Name Message ID Course Reference Course Reference Speed Units Speed Units Checksum ＜CR＞＜LF＞ RGM-3550LP User Manual Table 6 GGA Data Format Example Units $GPRMC RMC protocol header hhmmss.sss A=data valid or V=data not valid 3723.2475 ddmm.mmmm N=north or S=south 12158.3416 dddmm.mmmm...
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Page 17: Gps Receiver User's Tip
GPS receiver under less shielding environments to ensure GPS receiver has better receiving performance. 2. When GPS receiver is moving, it will prolong the time to fix the position, so suggest to wait for the satellite signals to be locked at a fixed point when first power-on the GPS receiver to ensure to lock the GPS signal at the shortest time. -
Page 18: Package Specification And Order Information
RGM-3550LP User Manual Package Specification and Order Information Copyright © 2007-2008, RoyalTek Company Ltd.
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