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GPS
Product series
1F, No. 30, R&D Rd. II, Hsinchu City 300, Science-based Industrial Park, Taiwan.
Phone: +886-3-6687000 Fax: +886-3-6687111
E-Mail:
HOLUX Technology, Inc.
1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park)
TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw Website:www.holux.com.tw
GPS Engine Board
User's Guide
October 01, 2006
Version A
Holux Technology Inc.
info@holux.com.tw
All Right Reserved
With HOLUX, You never lose the way!
GR-90
Web:
www.holux.com.tw
1
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Summary of Contents for Holux GR-90
- Page 1 Phone: +886-3-6687000 Fax: +886-3-6687111 E-Mail: info@holux.com.tw HOLUX Technology, Inc. 1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park) TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw Website:www.holux.com.tw With HOLUX, You never lose the way! GR-90 October 01, 2006 Version A Web: www.holux.com.tw...
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Page 2: Table Of Contents
5.2 Pin Assignment: ...17 6. Operation and Test...19 Appendix A : Reference Design ...22 HOLUX Technology, Inc. 1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park) TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw Website:www.holux.com.tw With HOLUX, You never lose the way! -
Page 3: Introduction
Product series 1. Introduction The GR-90 series consists of SiRF GSC2x chipsets technology, LNA and proprietary software. The system function block is described as follows. CMOS 3 V signal GSC 2 x HOLUX GR-90 is a high performance, low power consumption, small size, very easy integrated GPS engine board designed for a broad spectrum of OEM system applications. -
Page 4: Main Feature
Support Accurate 1PPS Output Signal Aligned with GPS Timing Multi-path mitigation Hardware On-board RTCM SC-104 DGPS and WAAS/EGNOS Demodulator HOLUX Technology, Inc. 1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park) TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw Website:www.holux.com.tw With HOLUX, You never lose the way! ※1 ※2 ※... -
Page 5: Technical Specifications
1). Input power：3.3~5.5 VDC 2). Input current: Less than 40mA (without antenna) HOLUX Technology, Inc. 1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park) TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw Website:www.holux.com.tw With HOLUX, You never lose the way! ※2 ※2 ※1... -
Page 6: Environmental Characteristics
1) Active Size: 25.4(W) x 25.4(D) x 3(H) (mm) 2) Weight: 3 g HOLUX Technology, Inc. 1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park) TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw Website:www.holux.com.tw With HOLUX, You never lose the way! 1 microsecond ± ※2... -
Page 7: Software Interface
Services (RTCM Recommended Standards For Differential Navstar GPS Service, Version 2.1, RTCM Special Committee No.104). As soon as the initial self-test is complete, the GR-90 begins the process of satellite acquisition and tracking automatically. Under normal circumstances, it takes approximately 48 seconds to achieve a position fix, 38 seconds if ephemeris data is known. - Page 8 GPS SPS Mode, fix valid Differential GPS, SPS Mode, fix valid HOLUX Technology, Inc. 1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park) TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw Website:www.holux.com.tw With HOLUX, You never lose the way! Units GGA protocol header hhmmss.sss ddmm.mmmm N=north or S=south dddmm.mmmm...
- Page 9 HDOP VDOP HOLUX Technology, Inc. 1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park) TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw Website:www.holux.com.tw With HOLUX, You never lose the way! Units GLL protocol header ddmm.mmmm N/S Indicator N N=north or S=south dddmm.mmmm E=east or W=west hhmmss.sss...
- Page 10 Satellite ID Elevation Azimuth HOLUX Technology, Inc. 1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park) TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw Website:www.holux.com.tw With HOLUX, You never lose the way! End of message termination Description Description Units GSV protocol header...
- Page 11 Example HOLUX Technology, Inc. 1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park) TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw Website:www.holux.com.tw With HOLUX, You never lose the way! dBHz Range 0 to 99, null when not tracking End of message termination...
- Page 12 Outputs the time associated with the current 1 PPS pulse. Each message HOLUX Technology, Inc. 1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park) TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw Website:www.holux.com.tw With HOLUX, You never lose the way! VTG protocol header degrees Measured heading True...
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Page 13: Rtcm Received Data
The default communication parameters for DGPS Input are 9600 baud, 8 data bits, stop bit, and no parity. Position accuracy of less than 5 meters can be achieved with GR-90 by using Differential GPS (DGPS) real-time pseudo-range correction data in RTCM SC-104 format, with message types 1,2, or 9. As... -
Page 14: Manufacturing Default
SiRFdemo is the evaluation receiver configuration and monitoring software provided with the GR-90. This software can be used to monitor real-time operation of the GR-90. receiver, log data for analysis, upload new software to the receiver, and configure the receiver operation.. -
Page 15: Mechanical Dimensions
Product series 5. Mechanical Dimensions 5.1 . GR-90 outline: Picture Mechanical dimension (unit mm) HOLUX Technology, Inc. 1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park) TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw Website:www.holux.com.tw With HOLUX, You never lose the way! - Page 16 Product series With HOLUX, You never lose the way! Recommended PCB HOLUX Technology, Inc. 1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park) TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw Website:www.holux.com.tw...
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Page 17: Pin Assignment
1 PPS output, synchronized with GPS time. TIME_MARK 1 PPS output, 1us/s Ground HOLUX Technology, Inc. 1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park) TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw Website:www.holux.com.tw With HOLUX, You never lose the way! Function description... - Page 18 This pin default is provides 1 microsecond pulse per second output from the GR-90 which is synchronized to within 1 microsecond of GPS time. The output is a CMOS 3V positive level signal. Only upon a situation of tracking or navigating will output once per second.
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Page 19: Operation And Test
Product series 6. Operation and Test The customers can use HOLUX GPSView.exe to test the engine board. GPSViewer.exe is compatible with Microsoft Pocket PC or other operation system alike. 1). Install Microsoft ActiveSync to your PC, refer to your Pocket PC manual for installation procedure, as Fig. - Page 20 Fig. 6.5, Fig. 6.6, and Fig. 6.7. (Fig. 6.5) HOLUX Technology, Inc. 1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park) TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw Website:www.holux.com.tw With HOLUX, You never lose the way! (Fig. 6.3) (Fig. 6.4) (Fig. 6.6) (Fig. 6.7)
- Page 21 Select “GPS Status” to show the satellite diagram like below, as Fig. 6.8. HOLUX Technology, Inc. 1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park) TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw Website:www.holux.com.tw With HOLUX, You never lose the way! (Fig. 6.8)
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Page 22: Appendix A : Reference Design
Product series With HOLUX, You never lose the way! Appendix A : Reference Design Fig A-1 is GR-90 connects to RS-232 transceiver solutions intended for portable or hand-held applications such as notebook and palmtop computers. (Fig A-1) HOLUX Technology, Inc. - Page 23 Product series With HOLUX, You never lose the way! ※1 Test result on open sky ※2 Cit. SiRF’s original chipset spec HOLUX Technology, Inc. 1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park) TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw Website:www.holux.com.tw...
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