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RoyalTek Confidential

12

REB-1315LPX Operational Manual

1.7 Hardware interface

Interface Pin Number:

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Содержание REB-1315LPX

Страница 1: ... 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 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 文件...

Страница 2: ...LPX Series Block Diagram 5 1 4 REB 1315LPX 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 The same as REB 1315LP 22 6 Contact Royaltek 23 7 Revision History 23 ...

Страница 3: ... 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 ...

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

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

Страница 6: ... 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 Protocol setup It shall store the protocol setup in the SRAM memory 16 DGPS 1 WAAS EGNOS 2 RTCM protocol Interface 17 LNA 17dB Gain Typical 18 I O Pin 22pin Mechanical requirements 19 Weight 3 5g Power ...

Страница 7: ...5R 16V L4 39nH 0 3nH GPS_BOOT GPIO 15 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 GPS_PPS R2 0 ohm GPIO 13 U2 3V 3 3mAH C12 OPEN SYSTEM_TX SYSTEM_RXB D1 RB705D 1 3 2 GPS_IO 1 C11 OPEN GPS_IO 0 SYSTEM_RX 3 3V_BAT Always 5V or 3 3V GPIO 14 ...

Страница 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...

Страница 9: ...RoyalTek Confidential 9 REB 1315LPX Operational Manual Recommend Layout PAD TOP View ...

Страница 10: ...10 REB 1315LPX 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 ...

Страница 11: ...RoyalTek Confidential 11 REB 1315LPX Operational Manual 1 6 Mechanical Layout ...

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

Страница 13: ... 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 ...

Страница 14: ...e 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 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...

Страница 15: ...vides one pulse per second output from the board which is synchronized to GPS time This is not available in Trickle Power mode V_RTC_3V3 Backup battery This is the battery backup input 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 G...

Страница 16: ...Positioning System Fixed 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 48 7 hhmmss sss Latitude 3723 2475 ddmm mmmm N S Indicator N N north or S south Longitude 12158 341 6 Dddmm mmmm E W Indicator W E east or W...

Страница 17: ...SA 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 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 Dilut...

Страница 18: ...07 Satellite ID 07 Channel 1 Range 1 to 32 Elevation 79 degrees Channel 1 Range 00 to 90 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...

Страница 19: ...ion degrees Variation sense E east or W west Not shown Mode A A Autonomous D DGPS E DR Checksum 10 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...

Страница 20: ...N 12136 0099 E 053740 000 A A 52 Table 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 termina...

Страница 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...

Страница 22: ...Package Specification and Order Information Shipment Method Tape and reel SMT type with stamp holes 22 holes 5 Matching active antenna The same as REB 1315LP Model RTK P N Picture REB 1315LPN LPNX ZANTEN1257G ZANTEN1241G ZANTEN1229G REB 1315LP LPX ZANTEN1263G ...

Страница 23: ...aiwan 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 1315LPX GPS Receiver Module Doc Type User Manual Revision Number Date Author Change notice 1 0 2008 04 16 Amy Liu Initial Release 1 1 2008 07 10 Amy Liu Modify software interface Copyright 2008 RoyalTek Company Ltd ...

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