GPSM001
OEM GPS Receiver Module
FIRSTGPS ARCHITECTURE HIGHLIGHTS
INDUSTRY LEADING GPS PERFORMANCE
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Builds on high performance FirstGPS core
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Satellite signal tracking engine to perform GPS acquisition and tracking functions without CPU intervention
-
High sensitivity: to -143 dBm tracking, superior urban performance
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Position accuracy: < 5m CEP (50%) without SA (horizontal)
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Warm Start is under 40 seconds (50%)
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Hot Start is under 12 seconds (50%)
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Timing output accuracy: +/- 400 ns
LOW POWER
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Ultra low power integrated circuit design, optimized RF and DSP architectures, < 17mA @ 3.3V tracking/doing
fixes
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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
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Embedded AT91 MCU, ARM7TDMI-based
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Small form factor
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Low cost
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Ready-to-plug solution, fully autonomous PVT solution. Easily integrated into existing systems
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High signal acquisition & tracking performances
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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.
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Application software can be customized for high volume applications (Flash memory)
FUNCTIONAL BLOCK DIAGRAM
ANT
Q LPF
I LPF
XE1610-OEMPVT
APPLICATION
I
Q
MCLKI
SCLK
GPS
BASEBAND
PROCESSOR
RX
TX
API
PVT
BOARD
INTERFACE
RF+
BP
FILTER
LNA
BP
FILTER
RF-
RF
DOWN-
CONVERTER
FirstGPS
SOFTWARE
RTOS
Active Antenna
TCXO
XE1610-OEMPVT
DS031-2 Jan ‘04
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Tel 01273 898000 Fax 01273 480661
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