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M-90                                                                               

 

 

  GPS Module series

                                                                                             

THE PRO NAME IN GPS

 

HOLUX Technology, Inc. 
No. 1-1, Innovation Rd. I, Science-Based Industrial Park, HsinChu City 300, Taiwan R.O.C 
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

................................................................................6 

3.

 

Mechanical Dimension

...........................................................................8 

3.1

 

Mechanical Dimension

................................................................8 

4

 

Package

...................................................................................................9 

4.1

 

Packing

........................................................................................9 

4.2

 

Reference product photo

..........................................................10 

5

 

User Interface

........................................................................................ 11 

5.1

 

Protocol

...................................................................................... 11 

5.2

 

NMEA Protocol

.......................................................................... 11 

5.3

 

MTK NMEA Packet Format

.......................................................12 

6

 

Reference design

..................................................................................13 

6.1

 

Application circuit

.....................................................................13 

6.2

 

Reference PCB pattern

.............................................................14 

6.3

 

Recommendation reflow profile

...............................................15 

 

Summary of Contents for M-90 SPECIFICATION V1.2

Page 1: ...1 Innovation Rd I Science Based Industrial Park HsinChu City 300 Taiwan R O C 300 1 1 TEL 03 6687000 FAX 03 6687111 Website www holux com Version 1 2 All Right Reserved M 90 SPECIFICATION GPS Engine B...

Page 2: ...6 3 6687000 FAX 886 3 6687111 E mail info holux com tw http www holux com tw 2 Version Change History Version Date Revised Reason 0 1 2007 04 18 Draft release 0 2 2007 05 18 Add 5 reference design 1 0...

Page 3: ...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 6 3 Mechanical Dimension 8 3 1 Mechanical Dimension 8...

Page 4: ...gn like PDA PND mobile phone Digital Camera for GPS service 1 2Key Features Small form factor 12 12 2 2 2 mm RoHS WEEE compliant High sensitivity 159dBm Searching up to 32 Channel of satellites Fast P...

Page 5: ...TIME_MARK GPIO GPS Fix Indication 1PPS_OUTPUT Digital Analog POWER_IN Passive Antenna or Active Antenna LNA 2 2Pin Definition Top view Button view Pin Pin Name Type Function description 1 VDD I 3 3 5...

Page 6: ...neral input output 15 PWR_EN I Power enable active high 16 V_BAT I RTC and backup SRAM power Input Backup Battery 2 6 3 6 V use battery DC Input 3 3 5 0V use VDD 17 GND G Ground 18 GND I Ground 2 3Spe...

Page 7: ...otocol Support NMEA 0183 1PPS Enable 1Hz pulse 10 duty cycle Limitations Follow MTK chip specification Acceleration Limit 4G Altitude Limit 18000 meters Velocity Limit 515 M sec Jerk Limit 20 M sec3 P...

Page 8: ...GPS HOLUX Technology Inc No 1 1 Innovation Rd I Science Based Industrial Park HsinChu City 300 Taiwan R O C TEL 886 3 6687000 FAX 886 3 6687111 E mail info holux com tw http www holux com tw 8 3 Mecha...

Page 9: ...Science Based Industrial Park HsinChu City 300 Taiwan R O C TEL 886 3 6687000 FAX 886 3 6687111 E mail info holux com tw http www holux com tw 9 4 Package 4 1Packing Tray dimension 325 220 9 mm Stand...

Page 10: ...Rd I Science Based Industrial Park HsinChu City 300 Taiwan R O C TEL 886 3 6687000 FAX 886 3 6687111 E mail info holux com tw http www holux com tw 10 4 2Reference product photo The photo is for refe...

Page 11: ...n protocol UART port is capable of 4800 to 115200 baud rate 5 1Protocol M 90 is default to support standard NMEA 0183 protocol In addition a series of MTK extensions PMTK messages have been developed...

Page 12: ...th is restricted to 255 bytes Field Length Type D Preamble 1 byte Character TalkerID 4 byte Character string PMTK PktType 3 byte Character string 000 to 999 an identifier used to tell the decoder how...

Page 13: ...02C020CB 1 2 C4 C0402C040CB 1 2 L2 3 3nH L0402 1 2 L1 39nH L0402 1 2 C5 C0402B104KP 1 2 RX1 J1 RF_IN 1 3 2 L3 39nH L0402 1 Block3 Block2 Block4 1PPS C2 C0402B102KB 1 2 3V U2 BGA428 VCC 1 GND 2 OUT 3 G...

Page 14: ...x com tw 14 Block3 User can supply the high power to pin PWR_EN to enable module or supply the low power to pin PWR_EN to disable module Block4 For user s convenience M 90 sends the signal once per se...

Page 15: ...15 6 3Recommendation reflow profile 1 We strongly recommend that this module should be designed to mount on top side of motherboard with main chip together which process the final reflow 2 The maximu...

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