Holux GR-86 User manual

GR-86 GPS Receiver Module

Main Features

zSiRF GSC3f chipset with embedded ARM7TDMI CPU available for

customized applications in firmware.

z20-channel GPS Receiver for fast acquisition and reacquisition

zVery compact size, only 24 * 24 * 3 mm.

z200,000 effective correlators for fast Time To First Fix (TTFF), even at

poor satellite 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.

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 at low signal levels:

zCold / warm / hot start: 42/38/1 sec(average)

zPosition Accuracy:

zAutonomous: <10 meters at 2D RMS.

zSBAS: <7 meters at 2DRMS, WAAS corrected.

zDGPS: 1-5 meters at DGPS corrected.

zReceiver:

zTracking : L1/CA code

zChannel : 20

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, AI3/F

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

zProcessing Core

z200,000+ effective correlators for fast TTFF and high sensitivity

acquisition.

zProcessor Type: ARM7/TDMI

zProcessor Speeds 49 MHZ

zIntegrated Flash 4 Mb

zMinimum acquire signal levels: -159 dBm (based on SiRF GSC3f

spec)

zInterface : CMOS 3V

zDimension: 24 x 24 x 3 mm

zWeight: less than 3 g

zOperating Temperature : -20 to +70

zStorage Temperature: -40 to +85

zOperating Humidity: 5% to 95%, No Condensing

zPower : input power 3.3V ~ 5.5 VDC

zOperational current: 70 mA (without antenna)

Module snapshot and pin out definition

Picture

Outline drawing

24.0 mm.

24.0 mm.

3.5 mm.

5.0 mm.

(0,21)

(0,19)

(0,17)

(0,15)

(0,13)

(0,11)

(0,9)

(0,7)

(0,5)

(0,3)

(24,21)

(24,19)

(24,17)

(24,15)

(24,13)

(24,11)

(24,9)

(24,7)

(24,5)

(24,3)

(16,0) (21,0)

(5,24) (8.5,24)

0.2 mm.

1.5mm.

(0,0)

1

10 11

20

Recommanded PCB

Module Pin out definition

Pin Pin Name Type Function description

1 GND PWR Ground

2 RFIN I RF signal input

3 GND PWR Ground

4 GND PWR Ground

5 NRESET I Reset, active low. Keep floating if not used.

6 LED_ONOFF O 1 HZ High/Low pulse output in tracking mode

7 BATTERY PWR Backup battery input (2.5–3.3V)

8 NSLEEP I Power down module, low active

9 VCC_IN PWR 3.3 ~ 5.5 VDC supply input

10 GND PWR Ground

11 RXDB I Serial Data input B

12 TXDA O Serial Data Output A

13 RXDA I Serial Data Input A

14 BOOT_SEL I Pull high for firmware download mode. Keep NC if not used.

15 GND PWR Ground

16 TIMER_SYNC I Reserve for feature

17 AMP_INTR I Reserve for feature

18 FREQ_XFER I Reserve for feature

19 TIMEMARK O 1 µsec pulse per second when tracking

20 GND PWR Ground

Ordering Information

Model No. Chipset RF interface output voltage (V)

GR-86-A GSC3f RF antenna power 2.8 VDC from GR-86

GR-86-B GSC3f RF antenna power supply from VCC_IN

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