Gps Mouse (gwg4230)

Transcript

GPS MOUSE (GWG4230) Specifications are subject to change without notice KOREA ELECTRIC TERMINAL CO., LTD. All right reserved http://www.ket.com GWG4230 Revision History Title KET GPS mouse Model No GWG4230 Document No G-DS-4230 Revision Date Ver 1.00 2005.06.20 Description First release GWG4230 DATA SHEET - Rev 1.00 06/2005 CHECK APPR J.H.JEON. M.S.JUNG GWG4230 CONTENTS 1. Introduction 1 1.1 Overview 1 1.2 Feature 1 1.3 Block Diagram 2 1.4 Product Application 2 2. Technical Specifications 3 2.1 General Characteristics 3 2.1.1 General 3 2.1.2 Accuracy 3 2.1.3 Datum 3 2.1.4 Acquisition Rate 3 2.1.5 Sensitivity 3 2.1.6 Dynamic condition 4 2.1.7 LED states 4 2.2 Electrical Characteristics 4 2.2.1 DC Power 4 2.2.2 Serial Port 4 2.2.3 Antenna 5 2.2.4 Time – 1PPS Pulse 5 2.3 Environmental Characteristics 5 2.4 Physical Characteristics 6 2.4.1 Mechanical dimension 2.4.2 Cable 6 2.5 Absolute Maximum Ratings 7 2.6 Operating Conditions 7 GWG4230 DATA SHEET - Rev 1.0 06/2005 i GWG4230 3. Protocol 8 3.1 NMEA 0183 8 3.1.1 GGA —Global Positioning System Fixed Data 9 3.1.2 GLL—Geographic Position - Latitude/Longitude 10 3.1.3 GSA—GNSS DOP and Active Satellites 11 3.1.4 GSV—GNSS Satellites in View 12 3.1.5 MSS—MSK Receiver Signal 13 3.1.6 RMC—Recommended Minimum Specific GNSS Data 13 3.1.7 VTG—Course Over Ground and Ground Speed 14 4. Outline drawing 15 5. Interface cable 16 5.1 VCC 17 5.2 TXD 17 5.3 RXD 17 5.4 GND 17 17 6. Package 18 7. Ordering information 19 GWG4230 DATA SHEET - Rev 1.0 06/2005 ii GWG4230 1. Introduction 1.1 Over view GWG4230 an integrated KET’s GPS module, is GPS receiver for Palm and Pocket PC based PDA. The GWG4230 consists of an excellent performance GPS module, Low noise RF block and built-in patch antenna. The GPS receiver is small size, high performance, convenient use and high reliability better than GPS receivers without antenna. GPS module is used the GPS receiver that is GWG6101 based on SiRF Technology and KET manufactured. This product is available to use SiRF X-trac Firmware for GPS application. It provides fast positioning and instant real-time navigation while consuming small power. The GWG4230 provides navigation information to the PDA or PC at NMEA protocol and SiRF Binery. Therefore, GWG4230 provides easy-to-use GPS solution for suit user application. 1.2 Feature - Based on SiRF starⅡe/LP chipset with embedded ARM7DMI CPU. - 12 channel GPS receiver available for fast acquisition and reacquisition. - Low power consumption - Compact Size and good design - Excellent navigation accuracy even at low signal levels - Available to GWG8101(SiRF starⅢ) GWG4230 DATA SHEET - Rev 1.0 06/2005 1/1 page GWG4230 1.3 Block Diagram Saw Filter Antenna Saw Filter LNA X-Tal GRF2i/LP LNA LDO RTC X-Tal LED LED Reset RS-232/ USB (Option) Module Flash Memory GSP2e/LP Battery LDO LDO [GWG4230 Block Diagram] 1.4 Product Application • Handheld GPS receiver application • Automotive application • Car navigation and tracking • Aviation application • Timing application • Ideal for PDA, Pocket PC and other computing devices at GPS application GWG4230 DATA SHEET - Rev 1.0 06/2005 2/2 page GWG4230 2. Technical Specifications 2.1 General Characteristics 2.1.1 General Product Name GWG4230 (GPS mouse) Frequency L1, 1575.42 MHz C/A code 1.023 MHz chip rate Channel 12 2.1.2 Accuracy Position 10 meters CEP without SA Velocity 0.1 meters/second, without SA Time 1 microsecond synchronized to GPS time 2.1.3 Datum WGS-84 2.1.4 Acquisition rate Snap Start <3sec., average Hot start <8sec., average Warm start <38sec., average Cold start <50sec., average 2.1.5 Sensitivity GWG6101 GWG6101-X Tracking Sensitivity -139dBm, typical -151dBm, typical Acquisition Sensitivity -134dBm, typical -136dBm, typical Re-acquisition Sensitivity -135dBm, typical -139dBm, typical GWG4230 DATA SHEET - Rev 1.0 06/2005 3/3 page GWG4230 2.1.6 Dynamic condition Altitude 18,000 meter (60,000 feet) max. Velocity <515 meter/second (1,000 knots) max. Acceleration 4g, max. Jerk 20 meters/second3, max. 2.1.7 LED states RED Power indicator GREEN Position fix indicator 2.2 Electrical Characteristics 2.2.1 DC Power Voltage +3.3VDC Supply current 90mA @ 3.3VDC Typical(<160mA) Backup Battery Power +3V DC 2.2.2 Serial Port Electrical Interface Two full duplex serial communication, CMOS interface and RS-232 optional Baud rate 4.8K /9.6K /1.92K /3.84K /5.66K Navigation update rate 1Hz Protocol Message SiRF binary and NMEA-0183 GWG4230 DATA SHEET - Rev 1.0 06/2005 4/4 page GWG4230 2.2.3 Antenna Type Ceramic patch Center Frequency 1575.42 MHz ± 3.0 MHz Polarization RHCP Gain at f0 5dBi typ. @zenith -1dBi typ. @10˚ elevation 2.2.4 Time – 1PPS Pulse Level CMOS Pulse duration 100ms Time reference At the pulse positive edge Measurements Aligned to GPS second, ±microsecond 2.3 Environmental Characteristics Operating range -40°C ~ +85°C Storage range -55°C ~ +100°C Storage range with BAT. -40°C ~ +85°C Relative Humidity 5% ~ 80% GWG4230 DATA SHEET - Rev 1.0 06/2005 5/5 page GWG4230 2.4 Physical Characteristics 2.4.1 Mechanical dimension Length 46.7mm Width 52.7mm Height 14.5mm Built in antenna Ceramic patch antenna (25mm x 25mm) 2.4.2 Cable Cable 4 pin minidin 6 pin minidin φ2.5 stereo φ3.5 stereo Cable length 3m GWG4230 DATA SHEET - Rev 1.0 06/2005 6/6 page GWG4230 2.5 Absolute Maximum Ratings Parameter Min Typ Max Unit Power supply voltage (VCC, VBAT) 3.0 3.3 5.0 V Serial port Input voltage -0.3 5.0 V Storage temperature -55 125 ℃ 2.6 Operating Conditions (Test Temperature : 25℃) Parameter Symbol Min Typ Max Unit Power supply voltage VCC 3.0 3.3 3.6 V Backup battery supply voltage VBAT 2.5 3.0 3.6 V -40 25 85 ℃ Operating temperature GWG4230 DATA SHEET - Rev 1.0 06/2005 7/7 page GWG4230 3. Protocol The GWG6101 supports NMEA-0183 and SiRF binary protocols. 3.1 NMEA 0183 NMEA Output Message GGA Time, position and fix type data. GLL Latitude, longitude, UTC time of position fix and status. GSA GSV MSS GPS receiver operating mode, satellites used in the position solution, and DOP values. The number of GPS satellites in view satellite ID numbers, elevation, azimuth, and SNR values. Signal-to-noise ratio, signal strength, frequency, and bit rate from a radio-beacon receiver. RMC Time, date, position, course and speed data. VTG Course and speed information relative to the ground. ZDA PPS timing message (synchronized to PPS). GWG4230 DATA SHEET - Rev 1.0 06/2005 8/8 page GWG4230 3.1.1 GGA —Global Positioning System Fixed Data $GPGGA,161229.487,3723.2475,N,12158.3416,W,1,07,1.0,9.0,M, , , ,0000*18 Table 1.1 GGA Data Format Name Example Units Description Message ID $GPGGA GGA protocol header UTC Time 161229.487 hhmmss.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 1-2 Satellites Used 07 Range 0 to 12 HDOP 1.0 Horizontal Dilution of Precision MSL Altitude1 9.0 meters Units M meters Geoid Separation1 Units meters M Age of Diff. Corr. meters second Null fields when DGPS is not used Diff. Ref. Station ID 0000 Checksum *18 End of message termination 1-2 Position Fix Indicator Value Description 0 Fix not available or invalid 1 GPS SPS Mode, fix valid 2 Differential GPS, SPS Mode, fix valid 3 GPS PPS Mode, fix valid 4 GPS RTK Mode, fix valid GWG4230 DATA SHEET - Rev 1.0 06/2005 9/9 page GWG4230 3.1.2 GLL—Geographic Position - Latitude/Longitude $GPGLL,3723.2475,N,12158.3416,W,161229.487,A*2C Table 1-3 GLL Data Format Name Example Message ID $GPGLL GLL protocol header 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 UTC Position 161229.487 hhmmss.sss Status A A=data valid or V=data not valid Checksum *2C Units Description End of message termination GWG4230 DATA SHEET - Rev 1.0 06/2005 10/10 page GWG4230 3.1.3 GSA—GNSS DOP and Active Satellites $GPGSA,A,3,07,02,26,27,09,04,15, , , , , ,1.8,1.0,1.5*33 Table 1-4 GSA Data Format Name Example Units Description Message ID $GPGSA GSA protocol header Mode 1 A See Table 1-5 Mode 2 3 See Table 1-6 Satellite Used1 07 Sv on Channel 1 Satellite Used1 02 Sv on Channel 2 …. …. …. Satellite Used1 PDOP Sv on Channel 12 1.8 Position Dilution of Precision HDOP 1.0 Horizontal Dilution of Precision VDOP 1.5 Vertical Dilution of Precision Checksum *33 End of message termination Table 1-5 Mode 1 Value Description M Manual—forced to operate in 2D or 3D mode A 2DAutomatic—allowed to automatically switch 2D/3D Value Description 1 Fix Not Available 2 2D (<4SV’s used) 3 3D (>3SV’s used) 1. Satellite used in solution. Table 1-6 Mode 2 GWG4230 DATA SHEET - Rev 1.0 06/2005 11/11 page GWG4230 3.1.4 GSV—GNSS Satellites in View $GPGSV,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 1-7 GSV Data Format Name Example Units Description Message ID $GPGSV GSV protocol header Number of Messages1 2 Range 1 to 3 Message Number1 1 Range 1 to 3 Satellites in View 07 Satellite ID 07 Channel 1 (Range 1 to 32) Elevation 79 degrees Channel 1 (Maximum 90) Azimuth 048 degrees Channel 1 (True, Range 0 to 359) SNR (C/No) 42 dBHz Range 0 to 99, null when not tracking .... Satellite ID .... 27 Channel 4 (Range 1 to 32) Elevation 27 degrees Channel 4 (Maximum 90) Azimuth 138 degrees Channel 4 (True, Range 0 to 359) SNR (C/No) 42 dBHz Range 0 to 99, null when not tracking Checksum *71 End of message termination GWG4230 DATA SHEET - Rev 1.0 06/2005 12/12 page GWG4230 3.1.5 MSS—MSK Receiver Signal $GPMSS,55,27,318.0,100,*66 Table 1-8 MSS Data Format Name Example Message ID $GPMSS Signal Strength 55 Units Description MSS protocol header dB SS of tracked frequency Signal-to-Noise Ratio 27 dB SNR of tracked frequency Beacon Frequency 318.0 kHz Currently tracked frequency Beacon Bit Rate 100 bits per second 3.1.6 RMC—Recommended Minimum Specific GNSS Data $GPRMC,161229.487,A,3723.2475,N,12158.3416,W,0.13,309.62,120598, ,*10 Table 1-9 RMC Data Format Name Example Units Description Message ID $GPRMC RMC protocol header UTC Time 161229.487 hhmmss.sss Status1 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=east or W=west Speed Over Ground 0.13 knots Course Over Ground 309.62 Date 120598 Magnetic Variation2 degrees True ddmmyy degrees E=east or W=west Checksum *10 End of message termination GWG4230 DATA SHEET - Rev 1.0 06/2005 13/13 page GWG4230 3.1.7 VTG—Course Over Ground and Ground Speed $GPVTG,309.62,T, ,M,0.13,N,0.2,K*6E Table 1-10 VTG Data Format Name Example Units Description Message ID $GPVTG Course 309.62 Reference T True Course degrees Measured heading Reference M Magnetic1 Speed 0.13 Units N Speed 0.2 Units K VTG protocol header degrees knots Measured heading Measured horizontal speed Knots km/hr Measured horizontal speed Kilometers per hour Checksum *6E End of termination message 1. A valid status is derived from the SiRF Binary M.I.D 2 position mode 1. See the SiRF Binary Reference Manual. 2. SiRF Technology Inc. does not support magnetic declination. All “course over ground” data are geodetic WGS84 directions. GWG4230 DATA SHEET - Rev 1.0 06/2005 14/14 page GWG4230 4. Outline drawing GWG4230 DATA SHEET - Rev 1.0 06/2005 15/15 page GWG4230 5. Interface cable Φ11.5 Φ9.0 3. RXD 2. TXD 4pin 4. GND 1. VCC minidin 1.0 2.0 1.2 3. RXD 2. TXD 6pin minidin Φ11.5 1. VCC 4. GND 2.0 5.NC 6. NC Φ9.0 φ2.5 stereo 4. GND 1. VCC 01 2. TXD 3. RXD φ3.5 stereo GWG4230 DATA SHEET - Rev 1.0 06/2005 16/16 page GWG4230 5.1 VCC (+3.3V DC Power Input) This is the main DC power supply for a +3.3V(3V to 5V)-powered board. 5.2 TXD (C-MOS) This is the main transmitting channel and is used to output navigation and measurement data to GPS Monitor or user written software. The board supports 9.6K baud rates (All support variable), and all can be controlled from the appropriate screens in GPS Monitor software. You can directly communicate with a PC serial port. 5.3 RXD (C-MOS) This is the main receiving channel and is used to receive software commands to the board from GPS Monitor software or from user written software. 5.4 GND GND provides the ground for the board. Connect all grounds. GWG4230 DATA SHEET - Rev 1.0 06/2005 17/17 page GWG4230 6. Package 90 GWG4230 45 60 50 10 접착식 테이프 190 260 230 GWG4230 DATA SHEET - Rev 1.0 06/2005 18/18 page GWG4230 7. Ordering information GWG4230 Product name A1 - Cable type CM Interface Product Model No. GPS receiver (with antenna) GWG4XXX Product name Model No. Description GPS mouse GWG4230 GWG6101(SiRF StarⅡe/LP Standard) GWG4210 GWG6101-X(SiRF StarⅡe/LP X-trac.) GWG4280 GWG8101(SiRF starⅢ) GWG4330 GWG6101(SiRF StarⅡe/LP Standard) GWG4310 GWG6101-X(SiRF StarⅡe/LP X-trac.) GWG4380 GWG8101(SiRF starⅢ) Model No. Description GWG4XXX-A0 PS2 (4pin) GWG4XXX-A1 PS2 (6pin) GWG4XXX-B0 φ2.5 Stereo GWG4XXX-B1 φ3.5 Stereo GWG4XXX-C0 USB A type Model No. Description GWG4XXX-XX-CM CMOS level GWG4XXX-XX-RS RS232 interface GWG4XXX-XX-UB USB interface GPS smart antenna Cable type Interface Description GWG4230 DATA SHEET - Rev 1.0 06/2005 19/19 page