Holux M-90 SPECIFICATION

GPS Engine Board

M-90
SPECIFICATION

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

(300) 新竹科學工業園新竹縣創新一路 1-1 號

TEL: [phone] FAX: [phone]

Website: www.holux.com

Version :1.2

All Right Reserved

M-90

GPS Module series

Version Change History

THE PRO NAME IN GPS

Version

0.1 2007/04/18 Draft release

0.2 2007/05/18 Add 5. reference design

1.0 2007/06/27 Official release, modify dimension and reference design

1.1 2007/07/05 Modify current, tracking current:< 45mA

1.2 2009/07/27 Modify V_BAT power

Date Revised Reason

HOLUX Technology, Inc.
No. 1-1, Innovation Rd. I, Science-Based Industrial Park, HsinChu City 300, Taiwan R.O.C
TEL: [phone] FAX:[phone] E-mail:[e-mail] http:www.holux.com.tw

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M-90

GPS Module series

THE PRO NAME IN GPS

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

HOLUX Technology, Inc.
No. 1-1, Innovation Rd. I, Science-Based Industrial Park, HsinChu City 300, Taiwan R.O.C
TEL: [phone] FAX:[phone] E-mail:[e-mail] http:www.holux.com.tw

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M-90

GPS Module series

1.

Introduction

THE PRO NAME IN GPS

1.1 General introductions

M-90 is an ultra miniature 12 * 12.2 * 2.2 mm GPS engine board

designed by low power consumption MTK GPS solution. It provides
superior sensitivity up to -159dBm and fast Time-To-First-Fix in
navigation application. The stable performance of M-90 is your best
choice to be embedded in your portable device design, like PDA、PND、
mobile phone、Digital Camera for GPS service.

1.2 Key Features

‧ Small form factor: 12 * 12.2 * 2.2 mm
‧ RoHS/WEEE compliant
‧ High sensitivity -159dBm
‧ Searching up to 32 Channel of satellites
‧ Fast Position Fix
‧ Low power consumption
‧ RTCM-in ready.
‧ Built-in WAAS/EGNOS/MSAS Demodulator.
‧ Support NMEA0183 V 3.01 data protocol.
‧ Real time navigation for location based services.
‧ For Car Navigation, Marine Navigation, Fleet Management, AVL and

Location-Based Services, Auto Pilot, Personal Navigation or touring
devices, Tracking devices/systems and Mapping devices application

1.3 Applications

‧ Automotive and Marine Navigation
‧ Automotive Navigator Tracking
‧ Emergency Locator
‧ Geographic Surveying
‧ Personal Positioning
‧ Sporting and Recreation
‧ Embedded applications:
‧ Smart phone, UMPC, PND, MP4

HOLUX Technology, Inc.
No. 1-1, Innovation Rd. I, Science-Based Industrial Park, HsinChu City 300, Taiwan R.O.C
TEL: [phone] FAX:[phone] E-mail:[e-mail] http:www.holux.com.tw

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M-90

GPS Module series

2 Technical Description

2.1 Block Diagram

THE PRO NAME IN GPS

Pass ive Ant enna or Active Antenna

LNA

POWER_IN

2.2 Pin Definition

P1

NEMA_OUTPUT SETT ING_IN

SAW
Filiter

MTK
GPS CHIP

Analog

LDO

Digital

M90 Engine Board

P16

P16

UART_RXUART_TX

TCXO

RTC

GPIO

TIME_MARK

GPS Fix Ind ication

1PPS_OUTPUT

P1

P2

P3

P4

P5

P6

P7

P8

Top view Button view

Pin Pin Name Type

1

2

3

4

5

6

VDD

PPS

TXD0

RXD0

HRST

GPIO6/S0

I 3.3 ~ 5 V supply input for main power

O 1 Hz pulse 10% duty cycle when GPS has position fix

O Serial Data Output A

I Serial Data input A

I GPS reset, active low

I/O General purpose I/O,SPI data output

P15

P14

P13

P12

P11

P10

P9

P15

P14

P13

P12

P11

P10

P9

M-90 MAIN Rev: 01

2007.06.26

Function description

P2

P3

P4

P5

P6

P7

P8

HOLUX Technology, Inc.
No. 1-1, Innovation Rd. I, Science-Based Industrial Park, HsinChu City 300, Taiwan R.O.C
TEL: [phone] FAX:[phone] E-mail:[e-mail] http:www.holux.com.tw

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