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RoyalTek Confidential   

 

 

5

 

REB-1315LPNX Operational Manual 

1.3 REB-1315LPNX Series Block Diagram

 

     

 

System block diagram description: 

a.  External antenna.   

b.  4 Mega bits flash memory. 

c. 

22 pin I/O pin.

 

 

Summary of Contents for REB-1315LPNX

Page 1: ...usiness discussions between customer and RoyalTek and is covered under the terms of the applicable Non Disclosure Agreements Disclosure of this information to other parties is prohibited without the written consent of RoyalTek Prepared by RoyalTek Company LTD 4F No 188 Wen Hwa 2nd Rd Kuei Shan Tao Yuan 333 Taiwan TEL 886 3 3960001 FAX 886 3 3960065 http www royaltek com contact Approved by Checked...

Page 2: ... 3 REB 1315LPNX Series Block Diagram 5 1 4 REB 1315LPNX Technical Specification 6 1 5 Application Circuit 7 1 6 Mechanical Layout 11 1 7 Hardware interface 12 2 Software Interface 16 3 GPS Receiver User s Tip 21 4 Package Specification and Order Information 22 5 Matching active antenna 22 6 Contact Royaltek 23 7 Revision History 23 ...

Page 3: ... such as portable navigation device personal locator speed camera detector and vehicle locator Product Features 20 parallel channels SMT type with stamp holes TCXO design 0 1 second reacquisition time Small form factor with embedded SiRF Star III single chip technology NMEA 0183 compliant protocol customize protocol Enhanced algorithm for navigation stability Excellent sensitivity for urban canyon...

Page 4: ... Product Pictures 1 REB 1315LPNX 2 REB 1315LPNX Interface board The interface board pin definition RoyalTek Evaluation Kit REV 2000 for REB 1315LPNX Please refer to RoyalTek Evaluation Kit REV 2000 for REB 1315LPNX Operational Manual for more information Pin 1 ...

Page 5: ...RoyalTek Confidential 5 REB 1315LPNX Operational Manual 1 3 REB 1315LPNX Series Block Diagram System block diagram description a External antenna b 4 Mega bits flash memory c 22 pin I O pin ...

Page 6: ...rm start open sky 35 sec 8 Chip Hot start open sky 1 se 9 Reacquisition 0 1sec typical 10 Position accuracy 10meters at 2D RMS 11 Maximum altitude 18000 m 12 Maximum velocity 514 m s 13 Trickle power mode Duty cycle 34 Variable 14 Update rate Continuous operation 1Hz 15 DGPS WAAS EGNOS Interface 16 LNA None 17 I O Pin 22pin stamp holes Mechanical requirements 18 Weight 3 5g Power consumption 19 Vc...

Page 7: ...1 RB705D 1 3 2 SYSTEM_RX GPIO 15 R1 OPEN 10K U2 3V 3 3mAH GPS_IO 1 SYSTEM_TX GPIO 13 GPS_IO 0 U FL R SMT 3P 50 ohm Trace C11 OPEN Always U1 REB 1315 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 RXB TXB PPS TXA RXA GPIO 10 GPIO 0 GPIO 1 RF_PWR ON_OFF V_RTC_3V3 VIN_3V3 GPIO 14 GPIO 15 GPIO 13 BOOT RF_VOUT GND GPS_RF_IN GND GND GND RXA SYSTEM_RXB 50 ohm Trace GPS_PPS R4 470 3 3V C14 10uF ...

Page 8: ...an reduce noise and increase the stability 4 RF_IN Connecting to the antenna has to be routed on the PCB The transmission line must to be control impedance from RF_IN pin to the antenna or antenna connector of your choice Impedance 50Ω 5 Power Connect V_GPS_3V3 pin to DC 3 3V The power supply must add bypass capacitor 10uF and 1uF It can reduce the Noise from power supply and increase power stabil...

Page 9: ...RoyalTek Confidential 9 REB 1315LPNX Operational Manual Recommend Layout PAD Dimension 13mm 15mm 2 2mm Tolerance 0 2mm TOP View ...

Page 10: ...0 REB 1315LPNX Operational Manual Recommend paste mask pad Recommend paste mask pad is shift outside the layout pad 0 2mm See under figure Black Block is layout PAD Blue Block Gray region is paste mask pad recommend TOP View ...

Page 11: ...RoyalTek Confidential 11 REB 1315LPNX Operational Manual 1 6 Mechanical Layout ...

Page 12: ...RoyalTek Confidential 12 REB 1315LPNX Operational Manual 1 7 Hardware interface Interface Pin Number ...

Page 13: ...3 V V V V V OL OH 715 0 375 2 85 2 8 GPIO 1 I O General purpose I O V V V V IL IH 855 0 0 3V 995 1 15 3 V V V V V OL OH 715 0 375 2 85 2 9 RF_PWR O Indicates power state of RF part V V V V OL OH 0 85 2 10 ON_OFF I Edge triggered soft on off request 11 V_RTC_3V3 I Backup voltage supply 10uA Current 3 6V 2 5 DC 12 VIN_3V3 I DC Supply Voltage input DC 3 3V 5 13 GPIO 14 I O General purpose I O V V V V...

Page 14: ... written software RXB This is the auxiliary receiving channel and is used to input differential corrections to the board to enable DGPS navigation Default Null TXA This is the main transmitting channel and is used to output navigation and measurement data to SiRFdemo or user written software TXB For user s application not currently used Default Null RF_PWR This pin indicates state of RF voltage RF...

Page 15: ... that powers the SRAM and RTC when main power is removed Typical current draw is 10uA The supply voltage should be between 2 5V and 3 6V ON_OFF Edge triggered soft on off request Should only be used to wake up chip GPIO Functions Several I Os are connected to the digital interface connector for custom applications ...

Page 16: ...xed Data Table 2 contains the values of the following example GPGGA 161229 487 3723 2475 N 12158 3416 W 1 07 1 0 9 0 M 0000 18 Table 2 GGA Data Format Name Example Units Description Message ID GPGGA GGA protocol header UTC Position 161229 487 hhmmss sss Latitude 3723 2475 ddmm mmmm N S Indicator N N north or S south Longitude 12158 3416 Dddmm mmmm E W Indicator W E east or W west Position Fix Indi...

Page 17: ...4 GSA Data Format Name Example Units Description Message ID GPGSA GSA protocol header Mode 1 A See Table 5 Mode 2 3 See Table 6 ID of Satellite Used 07 Sv on Channel 1 ID of Satellite Used 02 Sv on Channel 2 ID of Satellite Used Sv on Channel 12 PDOP 1 8 Position Dilution of Precision HDOP 1 0 Horizontal Dilution of Precision VDOP 1 5 Vertical Dilution of Precision Checksum 33 CR LF End of message...

Page 18: ... Azimuth 048 degrees Channel 1 True Range 000 to 359 SNR C No 42 dBHz Channel 1 Range 0 to 99 null when not tracking Satellite ID 27 Channel 4 Range 01 to 32 Elevation 27 degrees Channel 4 Range 00 to 90 Azimuth 138 degrees Channel 4 True Range 000 to 359 SNR C No 42 dB Hz Channel 4 Range 00 to 99 null when not tracking Checksum 71 CR LF End of message termination 1 Depending on the number of sate...

Page 19: ...CR LF End of message termination VTG Course Over Ground and Ground Speed Table 9 contains the values of the following example GPVTG 79 65 T M 2 69 N 5 0 K A 38 Table 9 VTG Data Format Name Example Units Description Message ID GPVTG VTG protocol header Course over rgound 79 65 degrees Measured heading Reference T True Course over ground degrees Measured heading Reference M Magnetic Speed over groun...

Page 20: ... 10 GLL Data Format Name Example Units Description Message ID GPGLL GLL protocol header Latitude 2503 6319 ddmm mmmm N S indicator N N north or S south Longitude 12136 0099 Dddmm mmmm E W indicator E E east or W west UTC Time 053740 000 hhmmss sss Status A A data valid or V data not valid Mode A A autonomous D DGPS E DR Checksum 52 CR LF End of message termination ...

Page 21: ...uch as umbrella or in vehicle iii Among high buildings iv Under bridges or tunnels v Under high voltage cables or near by radio wave sources such as mobile phone base stations vi Bad or heavy cloudy weather D If the satellite signals can not be locked or encounter receiving problem while in the urban area the following steps are suggested i Please plug the external active antenna into GPS receiver...

Page 22: ...RoyalTek Confidential 22 REB 1315 Operational Manual 4 Package Specification and Order Information Shipment Method Tape and reel SMT type with stamp holes 22 holes 5 Matching active antenna ...

Page 23: ... Shan Tao Yuan 333 Taiwan TEL 886 3 3960001 FAX 886 3 3960065 Web Site http www royaltek com Web Site Customer Service http www royaltek com contact 7 Revision History Title REB 1315LPNX GPS Receiver Module Doc Type User Manual Revision Number Date Author Change notice 1 0 2007 08 07 Amy Liu Initial Release Copyright 2007 2008 RoyalTek Company Ltd ...

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