RoyalTek REB-1315LP User's Manual
Contents
1. voltage 18 GND G Ground Reference Ground 19 RF IN I GPS Signal 50 Q 1 57542GHz input 20 GND G Ground Reference Ground 21 GND G Ground Reference Ground 22 GND G Ground Reference Ground VIN 3V3 43 3V DC power Input This is the DC power supply input pin for GPS system It provides voltage to module GND GND provides the reference ground Boot Set this pin to high for programming flash RXA This is the main receiver channel and is used to receive software commands to the board from SIRFdemo software or from user written software This pin via serial port output GPS NEMA data 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 Output 2 85 V for user RF IN This pin receives GPS analog signal The line on the PCB between the antenna or antenna connector has to be a controlled impedance line Microstrip at 5002 RF VOUT This pin can provide maximum power 30MA 2 85V for active antenna PPS This pin provides one pulse per second output from the board which is synchronized to GPS time This is not available in Trickle Power mode RoyalTek Confide2. KG NA AA 24 RoyalTek Confidential 2 RoyalTek L A ONA GV FAMA OE AS 9 BORA 1 Introduction RoyalTek REB 1315LP small form factor board is the newest generation of RoyalTek GPS module The module is powered by latest SiRF Star III single chip and RoyalTek proprietary navigation technology that provides you with stable and accurate navigation data The smallest form factor and miniature design is the best choice to be embedded in a device 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 and foliage environments DGPS WAAS EGNOS support Auto recovery while RTC crashes Build in LNA and saw filter ooo oo gt gt gt 1 1 Product Applications Automotive navigation Personal positioning and navigation Marine navigation gt gt Timing application RoyalTek Confidential 3 Roya l Te k REB 1315LP Operational Manual Ex BY BE AY BR AG 1 2 Product Pictures 1 REB 1315LP 2 REB 1315LP Interface board The interface board pin definition RoyalTek Evaluation Kit REV 2000 for REB 1315LP Please refer to RoyalTek Evaluation Kit REV 2000 fo
3. example GPRMC 161229 487 A 3723 2475 N 12158 3416 W 0 13 309 62 120598 10 Table 8 GGA Data Format Name Example Units Description Message ID GPRMC RMC protocol header UTC Position 161229 487 hhmmss sss Status A A data valid or V data not valid Latitude 3723 2475 ddmm mmmm N S Indicator N N north or S south Longitude 12158 3416 dddmm mmmm RoyalTek Confidential 20 RoyalTek MUSEO iii AXEBRORIRAR E W Indicator W E east or W west Speed Over Ground 0 13 knots Course Over Ground 309 62 degrees True Date 120598 ddmmyy Magnetic Variation degrees E east or W west Mode A A Autonomous D DGPS E DR Checksum 10 RoyalTek Confidential 21 RoyalTek EE FX Bi BR A to BIRRA 3 GPS Receiver User s Tip A GPS signal will be affected by weather and environment conditions so it is recommended to use the GPS receiver under less shielding environments to ensure GPS receiver has better receiving performance B When GPS receiver is moving it will prolong the time to fix the position so it is recommended to wait for the satellite signals locked at a fixed point when first power on the GPS receiver to ensure to lock the GPS signal at the shortest time C The following situation will affect the GPS receiving performance i Solar control filmed windows ii Metal shielded such as umbrella or in vehicle iii Among high buildings iv U
4. header UTC Position 161229 487 hhmmss sss Latitude 3723 2475 ddmm mmmm N S Indicator N N2north or S south Longitude 12158 3416 Dddmm mmmm E W Indicator W E east or W west Position Fix Indicator 1 See Table 2 1 Satellites Used 07 Range O to 12 HDOP 1 0 Horizontal Dilution of Precision MSL Altitude 9 0 meters Units M meters Geoid Separation meters Units M meters Age of Diff Corr second Null fields when DGPS is not used Diff Ref Station ID 0000 Checksum 18 lt CR gt lt LF gt End of message termination RoyalTek Confidential 18 RoyalTek MUSEO TANA KAHERA BIRD a Table 3 Position Fix Indicators Value Description 0 Fix not available or invalid 1 GPS SPS Mode fix valid 2 Differential GPS SPS Mode fix valid 3 5 Not Supported GPS PPS Mode fix valid 6 Dead Reckoning Mode fix valid GSA GNSS DOP and Active Satellites Table 2 4 contains the values of the following example GPGSA A 3 07 02 26 27 09 04 15 1 8 1 0 1 5 33 Table 4 GSA Data Format Name Example Units Description Message ID GPGSA GSA protocol header Mode 1 A See Table 4 2 Mode 2 3 See Table 4 1 Satellite Used 07 Sv on Channel 1 Satellite Used 02 Sv on Channel 2 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 lt CR gt lt LF gt End of
5. 22pin Mechanical requirements 20 Weight s3 5g Power consumption 21 Vec DC 3 3 5 22 Current GPS Typ 48mA 3 3V Avg Acquisition w o ext Antenna Typ 45mA 3 3V tracking w o ext Antenna Typ 12mA 3 3V Standby mode w o ext Antenna Environment 23 Operating temperature 40 85 C RoyalTek Confidential 6 RoyalTek y REB 1315LP Operational Manual aK Bl BRAS to BBR KE 24 Humidity E 95 RoyalTek Confidential 7 2 AE Tan HG MUO Dis ASAI AQL 3904 pa sto EI GrEI SIN MOHAGN3NDI Ate D Y skemi LYI AT E E 5 z E a V O In ken en 7 Ki pio elo thE Sle A BEER d BAE NIA V Pa el AGEs rorsas From HOHO Lorseo n 3 ana stor sao Tod Dana oor san o eborsdo De BESSE olor SdO SH ul aN ji pra 1008 LI xi wausas loos sao MU ic 5 B eS 1NON 24 gt XJWBISAS NG Ei is G 6 E l gr ONS 7 Sad Sad Q Q SORT L a Nida Sao HE Ss p 2 n exe WSLSAS jor oa MA i OND pt D o D BXL WALSAS R o o N3dO N3dO 2 5 ex m Lo cr Lo oo QO h wyo Q wyo 9 e a o a H SCH KE A D ee O Ges aN SYA Hael WYO NG eu TY OLINZ4O imil N ir sa IK 7 ABES Of e RovalTek Confidential RoyalTek omg WREBRGARAA Note 1 Ground Planes These pin 18 20 21 22 should be connect to ground 2 Serial Interface I The TXA pin is the serial output data Default output GPS protocol
6. NMEA sentence IT The RXA pin is the serial input data Default output GPS protocol NMEA sentence M The TXB pin is the serial output data Default Null IV The RXB pin is the serial input data Default Null 3 Backup Battery It s recommended to connect a backup battery to V_RTC_3V3 pin In order to enable the warm start and hot start features of the GPS receiver If you use backup battery should be adding a bypassing capacitor 10uF at V_RTC_3V3 pin It can 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 5002 5 Power Connect VIN_3V3 pin to DC 3 3V The power supply must add bypass capacitor 10uF and luF It can reduce the Noise from power supply and increase power stability 6 Active antenna bias voltage The RF_VOUT pin pin 17 is provide voltage 2 85V If you use active antenna you can use this pin to provide bias voltage for active antenna but you must design the RF chock circuit to avoid the RF signal jamming PS 1 This pin can provided maximum current is 30mA 2 85V 2 The input gain ranges are 19 22dB 7 GPIO The GPIOs functions are for customer used If no use GPIO functions it don t connect anything 8 GPS RTCI1 3 3V 3 3VSUB The GPS_RTC1 provide one kinds input voltage If you select pin 12 VIN_3V3 v
7. RoyalTek ona An AXEBBABRAR REB 1315LP Operational Manual Version 1 6 2007 09 13 This document contains information highly confidential to RoyalTek Company LTD RovalTek It is provided for the sole purpose of the business 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 RovalTek Company LTD 1071 Chung Cheng Rd Suite 9F 1 Tao Yuan City Taiwan TEL 886 3 3569666 FAX 886 3 3580050 http www royaltek com contact Approved by Checked by Prepared by AF Ha ile RoyalTek L A OMM GV FAMA DREES IR Content Tes Vu td LET E 3 1 1 Product ApplicatiOnS sesen ntuza 3 1 2 Product De 4 1 3 REB 1315LP Series Block Diagram 1 sse senennnnnnnnnen 5 1 4 REB 1315LP Technical Specification 6 1 5 Application LIEGE i i ei aman anna 8 1 6 Mechanical Layout ss sseennnnnnnnnnnenenzzzznnnnnnnnnnzenen 13 1 7 Hardware interface iii nie 14 2 En Le 18 3 GPS Receiver User s Tip s scsesecccccceennnnnsneneneeneeees 22 4 Package Specification and Order Information 23 5 Matching active antenna sssreennnnnnnnnnnenzenzznnnnnnnnnnnzenen 23 6 Contact Royaltek anan NAA nee GEES 24 7 Revision Ba
8. com contact 7 Revision History Title REB 1315LP GPS Receiver Module Doc Type User Manual Revision F Number Date Author Change notice 0 1 2006 09 07 Amy Liu Initial Release 0 2 2006 11 08 Amy Liu Add recommend layout PAD and modify mechanical layout 0 3 2006 11 13 Amy Liu Modify 1 6 Mechanical Layout 1 0 2006 11 28 Amy Liu Modify 1 6 Mechanical Layout 1 7 Hardware interface Modify 1 4 REB 1315LP Technical Specification LNA 1 5 Reference e 2007 02 06 Amy Liu schematic add 5 RGA 1201 Antenna 12 2007 05 11 Amy Liu Modify 1 4 REB 1315LP Technical Specification a as Sensitivity cold start gt warm start hot start gt DGPS Operating temperature 13 2007 06 21 Amy Liu Add recommend paste mask pad 14 2007 08 02 Amy Liu Modify 1 5 Active antenna bias voltage The input gain ranges 1 5 2007 09 07 Amy Liu Add 5 Matching antenna board 1 6 2007 09 13 Amy Liu Modify 1 5 reference schematic Copyright 2005 2006 RoyalTek Company Ltd RoyalTek Confidential 24
9. message termination Table 5 Mode 1 Value Description 1 Fix not available 2 2D 3 3D Table 6 Mode 2 Value Description M Manual forced to operate in 2D or 3D mode A Automatic allowed to automatically switch 2D 3D RoyalTek Confidential 19 RoyalTek MUSEO iii BBR A GSV GNSS Satellites in View Table 7 contains the values of the following example SGPGSV 2 1 07 07 79 048 42 02 51 062 43 26 36 256 42 27 27 138 42771 GPGSV 2 2 07 09 23 313 42 04 19 159 41 15 12 041 42 41 Table 7 GGA Data Format Name Example Units Description Message ID GPGSV GSV protocol header Number of 2 Range to 3 Messages Messages Number 1 Range 1 to 3 Satellites in View 07 Satellite ID 07 Channel 1 Range 1 to 32 Elevation 79 degrees Channel 1 Maximum 90 Azimuth 048 degrees Channel 1 True Range 0 to 359 SNR C No 42 dBHz Range O to 99 null when not tracking Satellite ID 27 Channel 4 Range 1 to 32 Elevation 27 degrees Channel 4 Maximum 90 Azimuth 138 degrees Channel 4 True Range 0 to 359 SNR C No 42 dBHz Range 0 to 99 null when not tracking Checksum 71 lt CR gt lt LF gt End of message termination Depending on the number of satellites tracked multiple messages of GSV data may be required RMC Recommended Minimum Specific GNSS Data Table 8 contains the values of the following
10. nder 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 and put the antenna on outdoor or the roof of the vehicle for better receiving performance ii Move to another open space or reposition GPS receiver toward the direction with less blockage iii Move the GPS receiver away from the interferences resources iv Wait until the weather condition is improved E While a GPS with a backup battery the GPS receiver can fix a position immediately at next power on if the build in backup battery is full recharged RoyalTek Confidential 22 Roya Te k REB 1315 Operational Manual Fl Ba BE AY BR 23 4 Package Specification and Order Information Shipment Method Tape and reel SMT type with stamp holes 22 holes 5 Matching active antenna ZANTEN1241G ZANTEN1229G ZANTEN1263G RovalTek Confidential 23 REB 1315LP RoyalTek SONA WREBR BRAD 6 Contact Royaltek Contact sales royaltek com Headquarter Address 1071 Chung Cheng Rd Suite 9F 1 Tao Yuan City Taiwan TEL 886 3 3569666 FAX 886 3 3580050 Web Site http www royaltek com Web Site Customer Service http www rovaltek
11. ntial 16 Roya l Te k REB 1315LP Operational Manual AXE BE AY BR 2S V_RTC_3V3 Backup battery This is the battery backup input that powers the SRAM and RTC Real Time Clock when main power is removed Typical current draw is 10uA The supply voltage should be between 2 5V and 3 6V ON_OFF GPS Sleep Mode This pin is triggered soft on off request Please shall only used to wake up chip Control for hibernate Please let it N C GPIO Functions Several I Os are connected to the digital interface connector for custom applications RoyalTek Confidential 17 RoyalTek inna An I BS BORA 2 Software Interface NMEA V3 0 Protocol Its output signal level is TTL 4800 bps default 8 bit data 1 stop bit and no parity It supports the following NMEA 0183 Messages GGA GSA GSV RMC NMEA Output Messages the Engine board outputs the following messages as shown in Table 1 Table 2 NMEA 0183 Output Messages NMEA Record Description GGA Global positioning svstem fixed data GSA GNSS DOP and active satellites GSV GNSS satellites in view RMC Recommended minimum specific GNSS data GGA Global Positioning System Fixed Data Table 2 contains the values of the following example SGPGGA 161229 487 3723 2475 N 12158 3416 W 1 07 1 0 9 0 M 0000418 Table 3 GGA Data Format Name Example Units Description Message ID SGPGGA GGA protocol
12. oltage then you can ignore 3 3VSUB RoyalTek Confidential 9 Roya l Te k REB 1315LP Operational Manual Fl BY BE AY BR 2S If you choice 3 3VSUB voltage then the power can use by different power supply RoyalTek Confidential 10 RoyalTek inna ini AXEBBRABRAR Recommend Lavout PAD 127mm E E Lei Fei 7 50mm 6 35mm Si 1 0 19mi 27mm 254mm H 0 50mm 12 50mm kal a Ea Ej 7 50nm FI Sue MM 115mm 0 92mm TOP View RoyalTek Confidential 11 Roya l Te k REB 1315LP Operational Manual Fl BY BE AY BR 2S 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 U Zan U jee H Zan U Zan LI IZ ICH IECH 750mm LI el 6 35mm 019rmL 27nn pa a 1 1259nn LI m LI ICH 7 50mm mi 127mm Re 115nn ee i 0 Zan U Zan 0 Zan H Zan TOP View RoyalTek Confidential 12 Roya l Te k REB 1315LP Operational Manual Fl BY BE AY BR 2S 1 6 Mechanical Layout REB 1315LP dimension m o ka W EI RoyalTek Confidential 13 RABBA B BR 2A iI 1 7 Hardware interface Interface Pin Number TOP VIEW REB 1315LP GPI0 10 GPIOLO GPIO 1 RF PWR ON OFF RoyalTek Confidential 14 RoyalTek Hat A BY BR BS DARA REB 1315LP Operational Manual Pin defined Pin Signal Name 1 O Description Cha
13. r REB 1315LP Operational Manual for more information RoyalTek Confidential 4 Roya l Te k REB 1315LP Operational Manual Fl BY BE AY BR 2S 1 3 REB 1315LP Series Block Diagram System block diagram description a External antenna b 4 Mega bits flash memory c 22 pin I O pin Antenna REB 1315LP TG SRAM avo FLASH mm G G G ee G G G G SS Se SE eS Se eee ee ee eee eee ee eee ee UART Serial Data RoyalTek Confidential 5 RoyalTek inna I BPS AS 1 OR A 1 4 REB 1315LP Technical Specification Impedance 509 No Function Specification GPS receiver 1 Chipset SiRF Star III GSC3f LP Digital RF in a single package 2 Frequency L1 1575 42MHz 3 Code C A Code 4 JChannels 20 parallel 5 Chipset Sensitivity 159dBm 6 Chipset cold start 35 sec open sky avg 7 Chipset warm start 35 sec open sky avg 8 Chipset hot start 1 sec open sky avg 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 Testability It shall be able to be tested by SiRF testmode 4 and single channel simulator 16 Protocol setup It shall store the protocol setup in the SRAM memory 17 DGPS WAAS EGNOS Interface 18 LNA 15dB Gain Typical 19 I O Pin
14. racteristics 1 RXB I Serial portB 3 152V 2 1 995V 0 3V lt Vz 80 855V 2 TxB o Serial port B 2 85V gt V 2 2 375V Vo S0 715V 3 PPS O One pulse per 2 85V 2 Voy 2 2 375V Vo 80 715V second 4 ITXA o Serial port A 2 85V SV 2 2 375V Vo 0 715V 5 RXA I Serial port A 3 15V gt V 21 995 0 3V SV lt 0 855V 6 GPIO 1o vO General 3 152V 21 995V 0 3V SV 0 855V purpose UO 2 85V 2 Vo 2 2 375V Vo S0 715V 7 GPI0 0 TO General 3 152 V 21 995V 0 3V SV 0 855V purpose UO 2 85V 2 Vo 2 2 375V Vo S0 715V 8 GPIO 1 TO General 3 152V 21 995V 0 3V SV 80 855V purpose UO 2 85V 2 Vo 2 2 375V Vo 0 715V 9 RE PWR O Indicates Vow 2 85V Vor OV power state of RF part 10 JON OFF I Edge Reserve function triggered soft on off PS Let it N C request 11 V RTC 393 II Backup DC 2 5 3 6V voltage Current lt 10uA supply 12 VIN 3v3 I DC Supply DC 3 3V45 Voltage input 13 GPIO 14 I O General 3 152V 21 995V 0 3V SV 20 855V purpose UO 2 85V 2V 2 2 375V Vo 0 715V 14 GPIO Is 1O General 3 152V 21 995V 0 3V SV 0 855V purpose UO 2 85V 2V 2 2 375V Vo 80 715V 15 GPIO 13 UO General 3 152V 21 995V 0 3V lt Vz 0 855V purpose UO 2 85V 2V 2 2 375V Vo 0 715V 16 Boot I Boot mode 3 152V 2 1 995V 0 3V lt Vz S 0 855V 17 RE VOUT O Supply V 2 85V 5 Antenna Bias Current 30mA RoyalTek Confidential 15 RoyalTek ona An AXEBRABRAR
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