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GPSM001 Datasheet(PDF) 2 Page - rfsolutions.ltd |
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GPSM001 Datasheet(HTML) 2 Page - rfsolutions.ltd |
2 / 20 page DS031-2 Jan ‘04 ©2003 RF Solutions Ltd, www.rfsolutions.co.uk Page 2 T Te ell 0 01 12 27 73 3 8 89 98 80 00 00 0 F Fa ax x 0 01 12 27 73 3 4 48 80 06 66 61 1 GPSM001 OEM GPS Receiver Module FIRSTGPS ARCHITECTURE HIGHLIGHTS INDUSTRY LEADING GPS PERFORMANCE - Builds on high performance FirstGPS core - Satellite signal tracking engine to perform GPS acquisition and tracking functions without CPU intervention - High sensitivity: to -143 dBm tracking, superior urban performance - Position accuracy: < 5m CEP (50%) without SA (horizontal) - Warm Start is under 40 seconds (50%) - Hot Start is under 12 seconds (50%) - Timing output accuracy: +/- 400 ns LOW POWER - Ultra low power integrated circuit design, optimized RF and DSP architectures, < 17mA @ 3.3V tracking/doing fixes - Further power saving thanks to 3 different power down modes o Power Save – RF section and GPS engine turned Off o Stand-by – RF section, GPS engine, and MCU clock turned Off, main power supply On, RTC running o Power down - RF section, GPS engine, and MCU clock turned Off, main power supply Off, RTC running on the back-up supply XE1610-OEMPVT GPS RECEIVER REFERENCE DESIGN HIGHLIGHTS - Embedded AT91 MCU, ARM7TDMI-based - Small form factor - Low cost - Ready-to-plug solution, fully autonomous PVT solution. Easily integrated into existing systems - High signal acquisition & tracking performances - On-board RAM for GPS navigation data. On-board Flash memory is used to back-up data such as the Almanac - PPS output - On-board RTC can be supplied by a separate back-up power supply if the main supply is turned off. - Application software can be customized for high volume applications (Flash memory) FUNCTIONAL BLOCK DIAGRAM ANT LNA GPS BASEBAND PROCESSOR RF DOWN- CONVERTER BP FILTER TCXO I LPF Q LPF I Q MCLKI SCLK RF+ RF- BP FILTER RX TX RTOS FirstGPS SOFTWARE API XE1610-OEMPVT APPLICATION XE1610-OEMPVT PVT BOARD INTERFACE Active Antenna ANT LNA GPS BASEBAND PROCESSOR RF DOWN- CONVERTER BP FILTER TCXO I LPF Q LPF I Q MCLKI SCLK RF+ RF- BP FILTER RX TX RTOS FirstGPS SOFTWARE API XE1610-OEMPVT APPLICATION XE1610-OEMPVT PVT BOARD INTERFACE Active Antenna |
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