Holux GR-91 SPECIFICATION V0.4 Bedienungsanleitung
No.1-1, Innovation Rd.1, Hsinchu Science Park, Hsinchu, Taiwan(R.O.C)
(300) 新竹市科學園區創新一路 1-1 號
TEL: 03-6687000 FAX: 03-6687111
Website: www.holux.co
Ver : 0.4
All Right Reserved
GR-91
SPECIFICATION
PS Engine Board
GR-91
GPS Module series
THE PRO NAME IN GPS
HOLUX Technology, Inc.
No.1-1, Innovation Rd.1, Hsinchu Science Park, Hsinchu, Taiwan(R.O.C)
2
Version Change History
Version
Date Revised Reason
0.1 2008/09/18 Draft release
0.2 2008/11/25
Preli inary release
0.3 2009/01/19 Modify 2.2 PIN Definition PIN 11 ON_OFF
Modify 2.3 power for V02 ver
0.4 2009/03/09 Modify Fig .A-1 & A-2 reference circuit
0.5 2010/12/10 Add reflow profile
GR-91
GPS Module series
THE PRO NAME IN GPS
HOLUX Technology, Inc.
No.1-1, Innovation Rd.1, Hsinchu Science Park, Hsinchu, Taiwan(R.O.C)
3
Index
1. Introduction.............................................................................................4
1.1 eneral 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.................................................................................7
3 Mechanical Dimension ...........................................................................9
3.1 Mechanical Dimension ................................................................9
4 Package .................................................................................................10
4.1 Packing .......................................................................................10
4.2 Reference Product Photo .......................................................... 11
5. User Interface........................................................................................12
5.1 NMEA Protocol ...........................................................................12
6. Reference design..................................................................................21
6.1 Reference circuit........................................................................21
6.2 Reference PCB pattern ..............................................................22
6.3 Recommendation reflow profile................................................23
GR-91
GPS Module series
THE PRO NAME IN GPS
HOLUX Technology, Inc.
No.1-1, Innovation Rd.1, Hsinchu Science Park, Hsinchu, Taiwan(R.O.C)
4
1. Introduction
1.1 eneral introductions
R-91 is an ultra iniature 13 * 15 * 2.2 GPS engine board designed
by low power consu ption SiRF GPS solution. It provides superior
sensitivity up to -159dB and fast Ti e-To-First-Fix in navigation
application. The stable perfor ance of R-91 is your best choice to be
e bedded in your portable device design, like PDA、PND、obile phone、
Digital Ca era for GPS service.
1.2 Key Features
‧ s all for factor: 13* 15 * 2.2
‧ RoHS/WEEE co pliant
‧ High sensitivity -159 dB
‧ Tracking up to 20 Channel of satellites
‧ Fast Position Fix
‧ Low power consu ption
‧ RTCM-in ready.
‧ Built-in WAAS/EGNOS/MSAS De odulator.
‧ Support NMEA0183 V 3.0 ASCII data protocol.
‧ Real ti e navigation for location based services.
‧ For Car Navigation, Marine Navigation, Fleet Manage ent, AVL and
Location-Based Services, Auto Pilot, Personal Navigation or touring
devices, Tracking devices/syste s and Mapping devices application
1.3 Applications
‧ Auto otive and Marine Navigation
‧ Auto otive Navigator Tracking
‧ E ergency Locator
‧ Geographic Surveying
‧ Personal Positioning
‧ Sporting and Recreation
‧ E bedded applications: S art phone, UMPC, PND, MP4
GR-91
GPS Module series
THE PRO NAME IN GPS
HOLUX Technology, Inc.
No.1-1, Innovation Rd.1, Hsinchu Science Park, Hsinchu, Taiwan(R.O.C)
5
2 Technical Description
2.1 Block Diagram
2.2 Pin Definition
Top view Button view
Pin
Pin Name Type
Function description
1
RXDB I Serial Data Input B
2
TXDB O Serial Data Output B
3
1PPS O 1 PPS output pulse width 100 s, rising edge tolerance is +/-
50ns.
4
TXDA O Serial Data Output A
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P22
P21
P20
P19
P18
P17
P16
P15
P14
P13
P12
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P22
P21
P20
P19
P18
P17
P16
P15
P14
P13
P12
22
17 6
12
11
GR91_GPS_V02_081219
GR-91
GPS Module series
THE PRO NAME IN GPS
HOLUX Technology, Inc.
No.1-1, Innovation Rd.1, Hsinchu Science Park, Hsinchu, Taiwan(R.O.C)
6
5
RXDA I Serial Data Input A
6
GND G Ground
7
GPIO0 I/O General purpose I/O
8
GPIO1 I/O General purpose I/O. flash at 1Hz when position is fixed.
9
GPIO4 I/O General purpose I/O
10
VOUT O Power State Indicate, 2.85 VDC Output
11
ON_OFF I ON_OFF input is a 1.5V-level direct hardware connection to the
internal Finite State Machine.
The RTC clock ust be on and stable for this control to be
functional.
Mini u on pulse duration is two RTC ticks, about 63 µs
Mini u inter-pulse interval is one second.
Mini u off duration is two RTC ticks, about 63 µs.
Figure 1 gives a broad guideline for pulse wavefor s that is
achievable in ost applications.
12
V_BAT I RTC and backup SRAM power Input, 1.36 ~ 6.0 VDC
13
VCC_IN I 2.95 ~ 6.0 VDC Power Input
14
GPIO13 I/O General purpose I/O
15
GPIO14 I/O
General purpose I/O
16
GPIO15 I/O
General purpose I/O
17
GND G Ground
18
BOOT I
Boot selection. Pull high this pin at power on stage for flash
progra ing.
19
VCC_RF_O
O Active antenna power supply output, 2.85 VDC
20
GND G Ground
21
RF_IN I GPS signal input, 2.85 VDC output
22
GND G Ground
GR-91
GPS Module series
THE PRO NAME IN GPS
HOLUX Technology, Inc.
No.1-1, Innovation Rd.1, Hsinchu Science Park, Hsinchu, Taiwan(R.O.C)
7
2.3 Specification
eneral
GPS technology
SiRF GPS chipset
Frequency
L1,1575.42 MHz
C/A Code
1.023 MHz chip rate
Channels
20 channels all in view Tracking
Sensitivity
Better than -159 dB
Receiver Accuracy (Follow SiRF chip specification)
Position
Without aid:10 M 2D-RMS
DGPS(WAAS, EGNOS, MSAS, RTCM):1~5 M
Velocity
Without aid:0.1 M/sec
Ti e
0.1µs. Sync GPS ti e
Datum
Datu
WGS84(Default)
Time to First Fix (Follow SiRF chip specification)
Hot start
1 sec. average
War start
38 sec. average
Cold start
42 sec. average
Reacquisition
＜0.1sec.
Protocol
GPS Output Data
NMEA0183(V3.0 ASCII )-
GGA,GLL,GSA,GSV,RMC,VTG
Support Baud rate 4800/9600/…./115200 bps (default
4800), Data bit:8 , Stop bit:1, No parity.
Update Rata
1 Hz(default)
Protocol Support
NMEA-0183
1PPS Enable(1 Hz pulse 10% duty cycle)
Limitations (Follow SiRF chip specification)
Acceleration Li it
＜4G
Altitude Li it
＜18000 eters
Velocity Li it
＜515 M/sec
Jerk Li it
20 M/sec
3
Power
Operation Current
Acquisition:25 A@3.3V
Operation Current
Tracking:24 [email protected]
GR-91
GPS Module series
THE PRO NAME IN GPS
HOLUX Technology, Inc.
No.1-1, Innovation Rd.1, Hsinchu Science Park, Hsinchu, Taiwan(R.O.C)
8
Trickle Power Mode
Operation Average
Current
DC Input Range
VCC_IN:2.95~6.0V
V_BAT:1.36~6.0V
Processing Core
Processor Type
ARM7TDMI
Processor Speeds
50 MHz
Interface CMOS 2.85 V Level
Temperature
Operating Te peratur
e
-40 to +85
Storage Te perature
-40 to +85
Operating Hu idity
5% to 95%, Non condensing
Physical
Di ension
13 * 15 * 2.2 .
Weight
<2g.
GR-91
GPS Module series
THE PRO NAME IN GPS
HOLUX Technology, Inc.
No.1-1, Innovation Rd.1, Hsinchu Science Park, Hsinchu, Taiwan(R.O.C)
9
3 Mechanical Dimension
3.1 Mechanical Dimension
TOP VIEW
BOTTOM VIEW
GR-91
GPS Module series
THE PRO NAME IN GPS
HOLUX Technology, Inc.
No.1-1, Innovation Rd.1, Hsinchu Science Park, Hsinchu, Taiwan(R.O.C)
10
4 Package
4.1 Packing
Tray di ension: 325*220*9 , Standard Content Qty: 100 pcs.
Carton di ension: 340*235*120 , Standard Content Qty: 2,000 pcs.
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