LR9548S GPS Module Technical Manual v1.52
© 2006 Leadtek Research Inc. All rights reserved. Page 6/20
Preliminar
Confidential - Information is sub
ect
o chan
e without
rior notice.
Software
The firmware used on Leadtek LR9548S module is GSW3.2.0, the SiRF standard GPS software for
SiRFstarIII receivers. Features include:
Excellent sensitivity
High configurability
1 Hz position update rate
Supports use of satellite-based augmentation systems like the US WAAS or European EGNOS
system(Option)
Real-time Operating System (RTOS) friendly
Capable of outputting either NMEA(default) or SiRF proprietary binary protocols
Designed to accept custom user tasks executed on the integrated ARM7TDM1 processor(Option)
Runs in full power operation(default) or optional power saving modes
Default configuration is as follows:
Item Description
Core of firmware
SiRF GSW3.2.0
Baud rate
4800, 9600, 19200, 38400 or 57600 bps (default 4800)
Code type
NMEA-0183 ASCII
Datum
WGS-84
Protocol message
GGA(1sec), GSA(5sec), GSV(5sec), RMC(1sec),VTG(1sec)
Output frequency
1 Hz
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