达伽马 GPS导航设备-S-98说明书.pdf

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S-98 Manual V1.0 GPS Engine Board Manual S-98S-98S-98S-98 SiRF StarⅢⅢⅢⅢ V 1.0 Made in Taiwan 2008/08/08 service@dagamagps.com www.dagamagps.com Free service hot-line(for mainland):400-820-1322 The Specifications are subject to be changed without notice. Copyright @ 2008, Dagama Navigation. 1 of 15 Confidential 2008/08/08 Version:1.0

S-98 Manual V1.0 Contents 1. Introduction-------------------------------------------------------------------------------- 3 1.1 Overview------------------------------------------------------------------------------ 3 1.2 Features------------------------------------------------------------------------------- 3 1.3 Applications------------------------------------------------------------------------- 3 2. Technical Specifications-------------------------------------------------------------- 3 2.1 Electrical Characteristics------------------------------------------------------- 3 2.2 Environmental Characteristics------------------------------------------------ 5 3. Interface Specification----------------------------------------------------------------- 5 3.1 I/O Pin Description --------------------------------------------------------------- 5 3.2 PCB Layout ------------------------------------------------------------------------- 6 3.3 Application Circuit ---------------------------------------------------------------- 6 Appendix: Software Specifications --------------------------------------------------- 9 The Specifications are subject to be changed without notice. Copyright @ 2008, Dagama Navigation. 2 of 15 Confidential 2008/08/08 Version:1.0

S-98 Manual V1.0 1. Introduction 1.1 Overview The DAGAMA S-98 GPS module is a high performance receiver module for the Global Positioning System (GPS) solution providing latitude, longitude, height, time and velocity data. It has High performance and Low power consumption, extremely small size. The module design is base on low power consumption, high sensitivity SiRF StarⅢ chipset. It can be easily embedded into portable devices for GPS wireless communication. 1.2 Features ☼ Full self-contained GPS receiver ☼ Fully shielded design ☼ Full implementation of SiRF StarⅢ GPS architecture ☼ High Performance GPS Single Chip ☼ Fast position fix ☼ Low power consumption ☼ Size: Size: 13mm X 15mm X 2.6mm 1.3 Applications ☼ PND ☼ Mobile Phone ☼ UMPC ☼ Marine & timing navigation ☼ Tracker Units ☼ Embedded applications 2. Technical Specifications 2.1. Electrical Characteristics 2.1.1 General Frequency C/A code Channels L1, 1575.42 MHz 1.023 MHz chip rate 20 channels all in view tracking The Specifications are subject to be changed without notice. Copyright @ 2008, Dagama Navigation. 3 of 15 Confidential 2008/08/08 Version:1.0

S-98 Manual V1.0 2.1.2 Sensitivity Tracking 2.1.3 Accuracy (Open Sky) -159 dBm typical Position Time 2.1.4 Datum Default < 10 meters, 2D RMS < 7 meters 2D RMS, WAAS corrected 1-5 meters, DGPS corrected 1 microsecond synchronized to GPS time WGS-84 2.1.5 Acquisition Rate (Open Sky) Hot start Warm start Cold start Reacquisition 1 sec, average 38 sec, average 42 sec, average 0.1 sec, average 2.1.6 Dynamic Conditions Altitude Velocity Acceleration< 4 G Jerk 2.1.7 Power < 18,000 meters (60,000 feet) < 515 meters/sec (1000 knots) 20 meters/sec max Main power input Supply Current 3.3 ~ 5.0 VDC input 50mA typical 2.1.8 Serial Port Electrical interface Protocol support Default NMEA TTL level NMEA-0183, SiRF Binary GGA, GSA, GSV, RMC, (GLL, VTG, and ZDA optional) 9600 baud rate (other rate optional) 8 bits data, 1 stop bit, no parity. 2.1.9 Time 1 PPS Pulse, pulse duration 1µs. The Specifications are subject to be changed without notice. Copyright @ 2008, Dagama Navigation. 4 of 15 Confidential 2008/08/08 Version:1.0

S-98 Manual V1.0 Time reference at the pulse positive edge. Synchronized to GPS time, ±1µs. 2.2. Environmental Characteristics Operating temperature range Storage temperature range -40 oC to +85 oC -45 oC to +100 oC 3. Interface Specification 3.1 I/O Pin Description Pin Name I/O Function Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 RX0 TX0 1PPS TX1 RX1 GPIO4 GPIO1 GPIO0 VOUT PEN V_BAT VIN GPIO14 GPIO15 GPIO13 NC V_ANT GND O O O O I I/O I/O I/O O I I I I/O I/O I/O N O G Serial data input B Serial data output B 1 PPS output, synchronized with GPS time. TIME_MARK 1PPS output, 1us/s Serial data output A Serial data input A General purpose I/O General purpose I/O. flash at 1Hz when position is fixed. General purpose I/O Power State indicate, 2.85VDC Output Power down GPS, Low active (Keep NC if not used is High) RTC and backup SRAM power input, 2.6~3.6VDC 3.3 ~ 5 VDC Power Input General purpose I/O General purpose I/O General purpose I/O Must keep floating Active antenna power supply output, 2.85VDC Ground The Specifications are subject to be changed without notice. Copyright @ 2008, Dagama Navigation. 5 of 15 Confidential 2008/08/08 Version:1.0

S-98 Manual V1.0 19 20 21 22 RF_IN GND GND GND 3.2 PCB Layout I G G G GPS signal input Ground Ground Ground 3.3 Application Circuit For Active Antenna The Specifications are subject to be changed without notice. Copyright @ 2008, Dagama Navigation. 6 of 15 Confidential 2008/08/08 Version:1.0

S-98 Manual V1.0 Note: If not used, almost all pins should be left disconnected. The only exceptions are the following pins: For Active Antenna Pin Name 4 5 11 12 17 18 19 20 21 22 TX1 RX1 V_BAT VIN V_ANT GND RF_IN GND GND GND For passive antenna The Specifications are subject to be changed without notice. Copyright @ 2008, Dagama Navigation. 7 of 15 Confidential 2008/08/08 Version:1.0

S-98 Manual V1.0 Note: If not used, almost all pins should be left disconnected. The only exceptions are the following pins: For Passive Antenna Pin Name 4 5 11 12 18 19 20 21 22 TX1 RX1 V_BAT VIN GND RF_IN GND GND GND The Specifications are subject to be changed without notice. Copyright @ 2008, Dagama Navigation. 8 of 15 Confidential 2008/08/08 Version:1.0

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