Holux GR-90 User Manual Download Page 22

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GPS

Product series

With HOLUX, You never lose the way!

HOLUX Technology, Inc.
1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park)

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)

TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:[email protected] Website:www.holux.com.tw

Summary of Contents for GR-90

Page 1: ...GR 90 GPS Engine Board User s Guide October 01 2006 Version A Holux Technology Inc 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...

Page 2: ...5 3 1 Electrical Characteristics 5 3 2 Environmental Characteristics 6 3 3 Physical Characteristics 6 4 Software Interface 7 4 1 NMEA Transmitted Messages 7 4 2 RTCM Received Data 13 4 3 Manufacturin...

Page 3: ...cond navigation updates It s far reaching capability meets the sensitivity requirements of car navigation as well as other location based applications Therefore HOLUX GR 90 engine board is very fit to...

Page 4: ...engineering services and available for embedded customer defined applications z On chip 1Mb SRAM for GPS Navigation z Dual CMOS 3V serial ports with one for GPS receiver command message interface anot...

Page 5: ...locity 0 1 meters second 6 Time 1 microsecond synchronized to GPS time 3 1 3 Datum 1 Default WGS 84 2 Other Support different datum by request 3 1 4 Acquisition Rate Open sky stationary requirements 1...

Page 6: ...GGA GSA GSV RMC VTG GLL and ZDA for optional 3 DGPS protocol RTCM SC 104 message types 1 2 and 9 4 SiRF binary position velocity altitude status output 3 1 9 TIMEMARK 1PPS Pulse 1 Level CMOS 3V 2 Puls...

Page 7: ...initial data such as last stored position date time and satellite orbital data to achieve maximum acquisition performance If significant inaccuracy exists in the initial data or the orbital data is ob...

Page 8: ...mss sss Latitude 3723 2475 ddmm mmmm N S Indicator N N north or S south Longitude 12158 3416 dddmm mmmm E W Indicator W E east or W west Position Fix Indicator 1 See Table 5 3 Satellites Used 07 Range...

Page 9: ...ator W E east or W west UTC Position 161229 487 hhmmss sss Status A A data valid or V data not valid Checksum 2C CR LF End of message termination 4 1 3 GNSS DOP and Active Satellites GSA Table 4 5 con...

Page 10: ...GSV 2 1 07 07 79 048 42 02 51 062 43 26 36 256 42 27 27 138 42 71 GPGSV 2 2 07 09 23 313 42 04 19 159 41 15 12 041 42 41 Table 4 8 GSV Data Format Name Example Units Description Message ID GPGSV GSV p...

Page 11: ...tocol header UTC Time 161229 487 hhmmss sss Status A A data valid or V data not valid Latitude 3723 2475 ddmm mmmm N S Indicator N N north or S south Longitude 12158 3416 dddmm mmmm E W Indicator W E...

Page 12: ...re geodetic WGS84 directions 4 1 7 MSK Receiver Signal MSS Table 4 11 contains the values for the following example GPMSS 55 27 318 0 100 66 Table 4 11 MSS Data Format Name Example Units Description M...

Page 13: ...h 10 01 TO 12 Year 2003 1980 to 2079 Local zone hour 00 knots Offset from UTC set to 00 Local zone hour 00 Offset from UTC set to 00 Checksum 4F CR LF End of message termination 4 2 RTCM Received Data...

Page 14: ...Parity None Stop bit 1 1 Data bits 8 8 Datum WGS84 Protocol GGA GSA GSV RMC or by demand 4 3 1 Addition Software SiRFdemo is the evaluation receiver configuration and monitoring software provided wit...

Page 15: ...X Technology Inc 1F No 30 R D Road Hsinchu 300 Taiwan Hsinchu Science Industrial Park 15 5 Mechanical Dimensions 5 1 GR 90 outline z Picture z Mechanical dimension unit mm TEL 886 3 6687000 FAX 886 3...

Page 16: ...HOLUX You never lose the way HOLUX Technology Inc 1F No 30 R D Road Hsinchu 300 Taiwan Hsinchu Science Industrial Park 16 Recommended PCB TEL 886 3 6687000 FAX 886 3 6687111 E mail info holux com tw W...

Page 17: ...Indication for RF power supply Flashes in trickle power mode 10 GND G Ground 11 GND G Ground 12 GND G Ground 13 GND G Ground 14 GND G Ground 15 GND G Ground 16 GND G Ground 17 RF_IN I GPS signal inpu...

Page 18: ...ansmitting channel and is used to output navigation and measurement data for user written software 5 3 9 RXA This is the main receiving channel and is used to receive software commands to the board fr...

Page 19: ...to your PC refer to your Pocket PC manual for installation procedure as Fig 6 1 2 Setup your Pocket PC cradle to Desktop PC UART port The Microsoft ActiveSync will detect your Pocket PC automatically...

Page 20: ...PC as Fig 6 3 Fig 6 3 5 The following window is show after executing 6 GPSViewer as Fig 6 4 Fig 6 4 7 Setup Baud rate 4800 then push Scan bottom to scan your COM Port Select your COM Port COM1 COM10 t...

Page 21: ...UX Technology Inc 1F No 30 R D Road Hsinchu 300 Taiwan Hsinchu Science Industrial Park 21 8 Select GPS Status to show the satellite diagram like below as Fig 6 8 Fig 6 8 TEL 886 3 6687000 FAX 886 3 66...

Page 22: ...iwan Hsinchu Science Industrial Park 22 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 palmt...

Page 23: ...he way HOLUX Technology Inc 1F No 30 R D Road Hsinchu 300 Taiwan Hsinchu Science Industrial Park 23 1 Test result on open sky 2 Cit SiRF s original chipset spec TEL 886 3 6687000 FAX 886 3 6687111 E m...