Holux GR-89 Manuale utente
No.1-1, Innovation Rd.1, HsinChu City 300, Science-based Industrial Park, aiwan
(300) 新竹市科學園區創新一路 1-1 號
EL: 03-6687000 FAX: 03-6687111
Website: www.holux.com
All Right Reserved
GR-89
SPECIFICA ION
GPS Engine Board
GR-89
GPS Module series
HE PRO NAME IN GPS
HOLUX echnology, Inc.
No.1-1, Innovation Rd.1, Hsinchu Science Park, Hsinchu, aiwan(R.O.C)
Introduction
Key Features
SiRF GSC3f/LPx chipset with embedded ARM7 DMI CPU available for
customized applications in firmware.
20-Channel GPS Receiver for fast acquisition and reacquisition.
Very compact size, only 25.4 * 25.4 * 3 mm.
200,000 effective correlators for fast ime o First Fix ( FF), even at
poor satellite signal.
Built-in WAAS/EGNOS Demodulator.
Low power consumption with Advanced rickle-Power and Push- o-Fix
mode.
Support NMEA-0183 v2.2 data protocol and SiRF binary code.
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, racking devices/systems and Mapping devices application.
Specifications
Acquisition at low signal levels:
Cold/Warm/Hot start: 42/38/1 sec. (average)
Position Accuracy :※
Autonomous: <10 meters at 2DRMS.
SBAS: <7 meters at 2DRMS, WAAS corrected.
DGPS: 1-5 meters at DGPS corrected.
Receiver:
racking : L1/CA code
Channel : 20
Max. Update rate: 1 HZ
ime Mark: Output 1 pulse/sec, aligned with GPS time+/-0.1 usec
Max. Altitude/Velocity : < 60,000 ft / < 1,000 knots※.
Protocol Support : NMEA-0183, SiRF Binary, AI3/F
Datum: WGS-84 (default), selectable for other Datum.
Processing Core
200,000+ effective correlators for fast FF and high sensitivity
acquisition.
GR-89
GPS Module series
HE PRO NAME IN GPS
HOLUX echnology, Inc.
No.1-1, Innovation Rd.1, Hsinchu Science Park, Hsinchu, aiwan(R.O.C)
Processor ype: ARM7 DMI
Processor Speeds 49 MHZ
Integrated program Flash 4Mbit
Minimum tracking signal levels: -159 dBm※
Interface : CMOS 3V
Dimension: 25.4 x 25.4 x 3 mm
Weight: 3 g
Operating emperature : -20 to +70
Storage emperature: -40 to +85
Operating Humidity: 5% to 95%, No Condensing
Power : input voltage 3.3V ~ 5.5VDC
Operational current: less than 30mA (without antenna)
RF DC power supply for active antenna max 50mA
: According to SiRF GSC3f/LP※x specification.
GR-89
GPS Module series
HE PRO NAME IN GPS
HOLUX echnology, Inc.
No.1-1, Innovation Rd.1, Hsinchu Science Park, Hsinchu, aiwan(R.O.C)
Module snapshot and pin out definition.
Picture
Mechanical dimension
GR-89
GPS Module series
HE PRO NAME IN GPS
HOLUX echnology, Inc.
No.1-1, Innovation Rd.1, Hsinchu Science Park, Hsinchu, aiwan(R.O.C)
Recommend PCB layout
Pin assignment
Pin
Pin ame
Type
Function description
1
VCC_IN I 3.3 ~ 5 V 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
GR-89
GPS Module series
HE PRO NAME IN GPS
HOLUX echnology, Inc.
No.1-1, Innovation Rd.1, Hsinchu Science Park, Hsinchu, aiwan(R.O.C)
19
V_ANT_IN
I Antenna power supply input
20
VCC_RF_O
O Antenna power supply, 2.85V
21
V_BAT I R C 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. IME_MARK 1 PPS
output, 1us/s
30
GND G Ground
GR-89
GPS Module series
HE PRO NAME IN GPS
HOLUX echnology, Inc.
No.1-1, Innovation Rd.1, Hsinchu Science Park, Hsinchu, aiwan(R.O.C)
Recommendation 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. he maximum frequency of this module to pass reflow process should be
no more than twice, including repair operation, otherwise it may cause side
effect to the performance.
3. Below is the recommend reflow profile referred to Main SiRF chipSet.
Note: 1.Please reference Pb-Free assembly
2. tp reference table 4-2 blue mark
GR-89
GPS Module series
HE PRO NAME IN GPS
HOLUX echnology, Inc.
No.1-1, Innovation Rd.1, Hsinchu Science Park, Hsinchu, aiwan(R.O.C)
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2
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