GPSM001 查看數據表（PDF） - rfsolutions.ltd
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GPSM001 Datasheet PDF : 20 Pages
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OEM GPS Receiver Module
GPSM001
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
BP
FILTER
LNA
Active Antenna
Q LPF I LPF
RF+
BP
FILTER RF-
RF
DOWN-
CONVERTER
I
Q
MCLKI
SCLK
XE1610-OEMPVT
APPLICATION
GPS
RX
BASEBAND TX
PROCESSOR
API
FirstGPS
SOFTWARE
TCXO
RTOS
XE1610-OEMPVT
PVT
BOARD
INTERFACE
DS031-2 Jan ‘04
©2003 RF Solutions Ltd, www.rfsolutions.co.uk
Tel 01273 898000 Fax 01273 480661
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