Holux CR-105 SPECIFICATION V1.2 User manual

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1F, No. 30, R&D Rd. II, HsinChu City 300, Science-based Industrial Park, Taiwan
(300) 新竹市科學園區研發二路 30 號1樓
TEL: [phone] FAX: [phone]
Website: www.holux.com
Version : 1.2
All Right Reserved
CR‐105
SPECIFICATION
GPS RECEIVER MODULE

CR-105
GPS Module series THE PRO NAME IN GPS
HOLUX Technology, Inc.
1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park)
TEL: [phone] FAX:[phone] E-mail:[e-mail] http:www.holux.com.tw
2
Version change history
Version Date Revised Reason
0.1 2007/4/19 Draft release
0.2 2007/05/31 Add product photo
1.0 2007/06/27 Official release
1.1 2007/09/04 Modify section 3. ME drawing
1.2 2007/11/05 Add T0D in section 2.4 and 3.

CR-105
GPS Module series THE PRO NAME IN GPS
HOLUX Technology, Inc.
1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park)
TEL: [phone] FAX:[phone] E-mail:[e-mail] http:www.holux.com.tw
3
Outline
1. Introduction..........................................................................................................4
1.1 General introductions..............................................................................4
1.2 Key Features.............................................................................................4
1.3 Applications..............................................................................................4
2Technical Description ..........................................................................................5
2.1 Block Diagram..........................................................................................5
2.2 Pin Definition............................................................................................5
2.3 Specification..............................................................................................6
2.4 Configuration Information ......................................................................7
3. Mechanical Dimension.............................................................................................8
3.1 Mechanical Dimension.............................................................................8
3.2 Product photo.........................................................................................13
4User Interface.....................................................................................................15
4.1 Protocol....................................................................................................15
4.2 NMEA Protocol.......................................................................................15
4.3 MTK NMEA Packet Format..................................................................16
5. Customer design recommendation.......................................................................17
5.1 Recommend Layout Pattern.................................................................17
5.1.1 FFC Connector Layout..................................................................17
5.1.2 FFC connector cable......................................................................17
5.2 Recommend H/W specification.............................................................17
5.2.1 Antenna.........................................................................................17
5.2.2 Recommend circuit......................................................................18

CR-105
GPS Module series THE PRO NAME IN GPS
HOLUX Technology, Inc.
1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park)
TEL: [phone] FAX:[phone] E-mail:[e-mail] http:www.holux.com.tw
4
1. Introduction
1.1 General introductions
CR-105 is an ultra miniature 18 * 25.15 * 7.9 mm GPS receiver module integrated
with patch built in low power consumption MTK GPS solution. It provides superior
sensitivity up to -159dBm and fast Time-To-First-Fix in navigation application. The
stable performance of CR-105 is your best choice to be embedded in your portable
device design, like PDA、PND、mobile phone、Digital Camera for GPS service.
1.2 Key Features
‧ small form factor: 18 * 25.15 * 7.9 mm(with 15*15*4 patch)
‧ RoHS/WEEE compliant
‧ High sensitivity -159dBm
‧ Searching up to 32 Channel of satellites
‧ Fast Position Fix
‧ Low power consumption
‧ EE Design benefit for customer
1.3 Applications
‧ Automotive and Marine Navigation
‧ Automotive Navigator Tracking
‧ Emergency Locator
‧ Geographic Surveying
‧ Personal Positioning
‧ Sporting and Recreation
‧ Embedded applications
‧ Smart phone, UMPC, PND, MP4

CR-105
GPS Module series THE PRO NAME IN GPS
HOLUX Technology, Inc.
1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park)
TEL: [phone] FAX:[phone] E-mail:[e-mail] http:www.holux.com.tw
5
2Technical Description
2.1 Block Diagram
GND
VDD
6
Serial data input
Power in
5
MT3318
4
External interrupt
PATCH ANT
Standby mode setting
Reset
RF
SWITCH
VBAT in
HRST
MMCX
Serial data output
FPC CONNECTOR
LNA
V28D
RX0
V28A
TX0
3
Dual LDO
Regalutors
STANDBY
1
1.2V
Regalutors
IN1
SAW
External Ant.
2
8
VBAT
7
2.2 Pin Definition
Pin Pin Name Type Function description
1 GND I GND
2 HRST I System reset, Active low
3 RXD0 I Serial Data input UART0
4 TXD0 O Serial Data Output UART0
5 STANDBY I Standby Mode Hi: Standby mode, Low: Normal mode(Reserve for
future)
6 INT1 I/O GPIO/External interrupt(Reserve for future)
7 VBAT I 3 ~ 5 V supply input
8 VDD I 3 ~ 5 V supply input
I: Input O: Output I/O: Input or Output, Open if not used

CR-105
GPS Module series THE PRO NAME IN GPS
HOLUX Technology, Inc.
1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park)
TEL: [phone] FAX:[phone] E-mail:[e-mail] http:www.holux.com.tw
6
2.3 Specification
General
GPS technology MTK GPS chipset
Frequency L1,1575.42MHz
C/A Code 1.023MHZ chip rate
Channels 32 channels all in view searching
Sensitivity Better than -159dBm
ReceiverAccuracy
Position Without aid:3.0 M 2D-RMS
DGPS(WAAS, EGNOS, MSAS, RTCM):2.5m
Velocity Without aid:0.1M/sec
Time 0.1μs. Sync GPS time
Datum
Datum WGS84(Default) total 219 datums
Time to First Fix (Follow MTK chip specification)
Hot start 1 sec average
Warm start 33 sec average
Cold start 36 sec average
Reacquisition ＜1sec
Protocol
GPS Output Data
NMEA0183(v3.1)- 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 1Hz(default)
Protocol Support NMEA-0183
1PPS Enable(1Hz pulse 10% duty cycle)
Limitations
Acceleration Limit ＜4G
Altitude Limit ＜18000 meters
Velocity Limit ＜515 M/sec
Jerk Limit 20 M/sec3
Power
Operation Current Acquisition:65 [email protected]
Operation Current Tracking:＜[email protected]
DC Input Range VCC 3.0~5.0V

CR-105
GPS Module series THE PRO NAME IN GPS
HOLUX Technology, Inc.
1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park)
TEL: [phone] FAX:[phone] E-mail:[e-mail] http:www.holux.com.tw
7
VBAT 3.0~5.0V
Temperature
Operating -40℃to 85℃
Storage -40℃to 85℃
Humidity ≦95% , non condensing
Physical
Dimension 18 * 25.15 * 7.9 mm(include GND PLANE)
Weight 5g
Antenna
Impedance 50Ω
Protection Build-in short circuit and Over current protection
Output Voltage 2.8VDC
Patch dimension
4 types : 15*15*4 mm, 15*15*2 mm, 12*12*4 mm,
18*18*4 mm
Connector
FFC Type 8Pin
MMCX Active Antenna connector (option)
2.4 Configuration Information
CR-105 provide 5 configurations because of the different angle of MMCX
connector and different RF interface output voltage.
Model No. Patch size MMCX(90∘) connector
CR-105-T0A 15*15*4 mm No
CR-105-T0B 15*15*2 mm No
CR-105-T0C 12*12*4 mm No
CR-105-T0D 18*18*4 mm No
CR-105-TEA 15*15*4 mm Yes

CR-105
GPS Module series THE PRO NAME IN GPS
HOLUX Technology, Inc.
1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park)
TEL: [phone] FAX:[phone] E-mail:[e-mail] http:www.holux.com.tw
8
3. Mechanical Dimension
3.1 Mechanical Dimension
Type : T0A(Patch 15*15*4mm)

CR-105
GPS Module series THE PRO NAME IN GPS
HOLUX Technology, Inc.
1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park)
TEL: [phone] FAX:[phone] E-mail:[e-mail] http:www.holux.com.tw
9
Type : T0B (Patch 15*15*2mm)

CR-105
GPS Module series THE PRO NAME IN GPS
HOLUX Technology, Inc.
1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park)
TEL: [phone] FAX:[phone] E-mail:[e-mail] http:www.holux.com.tw
10
Type : T0C (Patch 12*12*4mm)