TW5340 User Manual
3
©2014 -2015 Tallysman Wireless, Inc.
Confidential
Table of Contents
1
Introduction ................................................................................................................ 5
2
Variants ....................................................................................................................... 7
2.1
Ordering Information ........................................................................................... 7
3
GNSS Systems.............................................................................................................. 7
3.1
GPS ....................................................................................................................... 7
3.2
GLONASS .............................................................................................................. 7
4
NMEA Packet Format .................................................................................................. 8
5
Software Utilities ........................................................................................................ 8
5.1
Open Source GPS Software Utilities ..................................................................... 8
6
Hardware Interface ..................................................................................................... 9
6.1
TW5340 Installation ........................................................................................... 10
6.2
Testing ................................................................................................................ 10
Test Adaptor Pin outs ............................................................................................... 11
NMEA Output test ..................................................................................................... 11
Satellite Output Test ................................................................................................. 12
6.3
Power ................................................................................................................. 12
6.4
1PPS .................................................................................................................... 12
Cable Delays: ............................................................................................................. 14
Fix Quality (1PPS Qualification)/Standby .................................................................. 14
6.5
Wake Up Input ................................................................................................... 15
7
Operating Modes ...................................................................................................... 15
7.1
Navigation Mode ................................................................................................ 15
7.2
Standby Mode .................................................................................................... 16
Initialize GPS time ..................................................................................................... 16
7.3
Low Power Mode ............................................................................................... 17
8
Satellite Based Augmentation System (SBAS) .......................................................... 18
9
TW5340 Configuration .............................................................................................. 19
9.1
GENERAL ............................................................................................................. 19
Setting new default parameters ............................................................................... 19
