Leadtek LR9101X User Manual

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LR9101X Specifications Sheet Rev. 1.3
5. Software interface
The host serial I/O port of the module’s serial data interface supports full duplex
communication between the module and the user. The default serials are shown in Table
5-1.
Port
Protocol
Description
Port A
NMEA 0183 4800 bps
GGA(1s), GSA(5s), GSV(5s), RMC(5s), VTG(1s)
Port B
N/A
N/A
Table 5-1 Leadtek 9101X GPS module default baud rates
5.1. NMEA output messages
The output NMEA (0183 v3.0) messages for the receiver are listed in Table 5-2. A complete
description of each message is contained in the SiRF NMEA reference manual.
Option
Description
GGA
Time, position, and fix related data for a GPS receiver.
GLL
Latitude and longitude of present position, time of position fix and
status.
GSA
GPS receiver operating mode, satellites used in the position
solution,
and DOP values.
GSV
The number of GPS satellites in view satellite ID numbers,
elevation, azimuth, and SNR values.
RMC
Time, date, position, course and speed data provided by the GPS
receiver.
VTG
The actual course and speed relative to the ground.
Table 5-2 NMEA-0183 Output messages
5.2. SiRF binary
A complete description of each binary message is contained in the Leadtek SiRF Binary
Protocol reference manual.

Leadtek LR9101X Specifications

General

Brand	Leadtek
Model	LR9101X
Category	GPS
Language	English