Holux GR-90 Manual de usuario

GPS

Productseries With HOLUX, You never lose the way!

HOLUX Technology, Inc.

1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park)

TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw http:www.holux.com.tw

GR-90 GPS Receiver Module

Main Features

zSiRF GSC2x chipset with embedded ARM7TDMI CPU available for

customized applications in firmware.

z12-Channels GPS Receiver for fast acquisition and reacquisition.

zVery compact size, only 25.4 * 25.4 * 3 mm.

zHigh speed signal acquisition using 1920 time/frequency search

channels

zSupport U.S Coast Guard DGPS beacon signal

zBuilt-in WAAS/EGNOS Demodulator.

zLow power consumption with Advanced Trickle-Power and

Push-To-Fix mode.

zSupport NMEA-0183 v2.2 data protocol and SiRF binary code.

zReal time navigation for location based services.

zEnhanced algorithms -SnapLock and SnapStart provide superior

navigation performance in urban, canyon and foliage environments

zFor 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.

Specifications

zAcquisition :※1

zCold/Warm/Hot start: 48/38/8 sec. (average)

zPosition Accuracy:

※2

zAutonomous: <10 meters at 2D RMS.

zSBAS: < 5 meters at 2D RMS, WAAS corrected.

zDGPS: 1-5 meters at DGPS corrected.

zReceiver: ※2

GPS

Productseries With HOLUX, You never lose the way!

HOLUX Technology, Inc.

1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park)

TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw http:www.holux.com.tw

zTracking : L1(1575.42MHz)/CA(1.023MHz) code

zChannel : 12

zMax. Update rate: 1 HZ

zTime Mark: Output 1 pulse/sec, aligned with GPS time+/-0.1 usec

zMax. Altitude/Velocity : < 60,000 ft / < 1,000 knots.

zProtocol Support : NMEA-0183, SiRF Binary

zDatum: WGS-84 (default), selectable for other Datum.

zProcessing Core

zProcessor Type: ARM7TDMI

zProcessor Speeds 49MHZ

zMinimum tracking signal levels: -142 dBm (based on SiRF GSC2x

spec.) ※2

zInterface : CMOS 3V

zDimension: 25.4 x 25.4 x 3 mm

zWeight: 3 g

zOperating Temperature : -25 to +80

zStorage Temperature: -40 to +85

zOperating Humidity: 5% to 95%, No Condensing

zPower : input voltage 3.3V ~ 5.5VDC

zOperational current: less than 40 mA (without antenna)

GPS

Productseries With HOLUX, You never lose the way!

HOLUX Technology, Inc.

1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park)

TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw http:www.holux.com.tw

Module snapshot and pin out definition.

Picture

Mechanical dimension

GPS

Productseries With HOLUX, You never lose the way!

HOLUX Technology, Inc.

1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park)

TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw http:www.holux.com.tw

Recommend PCB layout

GPS

Productseries With HOLUX, You never lose the way!

HOLUX Technology, Inc.

1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park)

TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw http:www.holux.com.tw

Pin assignment

Pin Pin Name Type Function description

1 VCC_IN I 3.3 ~ 5.5V supply input

2 GND G Ground

3 BOOT_SEL I Boot selection. Pull high this pin at power on stage for flash

programming.

4 RXDA I Serial Data input A

5 TXDA O Serial Data Output A

6 TXDB O Serial Data Output B

7 RXDB I Serial Data input B

8 GPIO14 I/O General Purpose I/O. flash at 1Hz when position is fixed.

9 RF_ON O Indication for RF power supply. Flashes in trickle power mode.

10 GND G Ground

11 GND G Ground

12 GND G Ground

13 GND G Ground

14 GND G Ground

15 GND G Ground

16 GND G Ground

17 RF_IN I GPS signal input

18 GND I Ground

19 V_ANT_IN I Antenna power supply input

20 VCC_RF_O O Antenna power supply, 2.85V

21 V_BAT I RTC and Backup SRAM power, 2.6 ~ 3.6 VDC.

22 nRESET I Reset, Active Low

23 GPIO10 I/O General Purpose I/O

24 GPIO1 I/O General Purpose I/O

25 GPIO2 I/O General Purpose I/O

26 GPIO0 I/O General Purpose I/O

27 GPIO13 I/O General Purpose I/O

28 GPIO15 I/O General Purpose I/O

29 PPS O 1 PPS output, synchronized with GPS time. TIME_MARK 1 PPS

output, 1u pulse / sec

30 GND G Ground

GPS

Productseries With HOLUX, You never lose the way!

HOLUX Technology, Inc.

1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park)

TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw http:www.holux.com.tw

※1 Test result on open sky

※2 Cit. SiRF’s original chipset spec

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