M-91
GPS Module series
THE PRO NAME IN GPS
HOLUX Technology, Inc.
No.1-1, Innovation Rd.1, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park)
TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:[email protected] http:www.holux.com.tw
3
Index
1
Introduction.............................................................................................4
1.1
General introductions
.......................................................................4
1.2
Key Features
......................................................................................4
1.3
Applications
.......................................................................................4
2
Technical Description.............................................................................5
2.1
Block Diagram
...................................................................................5
2.2
Pin Definition
.....................................................................................5
2.3
Specification
......................................................................................7
2.4 Configuration Information
................................................................8
3. Mechanical Dimension ..............................................................................9
3.1
Mechanical Dimension
......................................................................9
TOP VIEW
................................................................................................9
4. Package ....................................................................................................10
4.1 Packing
............................................................................................10
4.2 Reference Product Photo
............................................................... 11
5.
User Interface........................................................................................12
5.1 NMEA Protocol
................................................................................12
5.2
NMEA Protocol format
....................................................................12
5.3 MTK NMEA Packet Format
.............................................................13
6.
Reference design..................................................................................14
6.1 Reference circuit
.............................................................................14
6.2 Reference PCB pattern
...................................................................15
6.3
Recommendation reflow profile
.....................................................15