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