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RoyalTek Confidential

MEB-1315 User Manual

V_RTC_3V3 (Backup battery)

This is the battery backup input, when main power is removed. Current draw is

6uA(Max).

The supply voltage should be between 2.5V and 3.6V.

GPIO Functions

Several I/Os are connected to the digital interface connector for customer applications

.

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Summary of Contents for MEB-1315

Page 1: ...ole 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...

Page 2: ... Pin Definition 4 1 4 MEB 1315 Series Block Diagram 6 1 5 MEB 1315 Technical Specification 7 1 6 Application Circuit 9 1 7 Recommend Layout PAD 11 1 8 Mechanical Dimension 12 1 9 Hardware interface 13 2 Software Interface 16 3 RoHS Reflow Diagram 22 4 Package Specification and Order Information 23 5 Contact Royaltek 23 6 Revision History 23 ...

Page 3: ...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 SMT type with stamp holes Support USB TTL interface TCXO design NMEA 0183 compliant protocol customize protocol Enhanced algorithm for navigation stability Excellent sensitivity for urban canyon and foliage environments Auto recovery wh...

Page 4: ...RoyalTek Confidential MEB 1315 User Manual 1 2 Product Pictures 1 MEB 1315 2 MEB 1315 Interface board 3 Connection with REV 2000 evaluation Kit Pin 1 ...

Page 5: ...ata I O 4 VDDBUS Device power Supply Power 3V3 5 5 GND GND GND 6 N C N C Non Used 7 TXA Data Transport out Output VOH max 3 1V min 2 4 V VOL max 0 4V min 0 3 V 8 RXA Data Receiver in Input VIH max 3 6V min 2 0 V VIL max 0 8V min 0 3 V 9 N C Connect to Test point Non Used 10 GND GND GND VOH Output High level Voltage VOL Output Low level Voltage VIH Input High level Voltage VIL Input Low level Volta...

Page 6: ...RoyalTek Confidential MEB 1315 User Manual 2 J2 IPEX connector Pin Signal Name Descriptions Characteristic 1 RF Signal RF Signal feed in RF Signal 2 GND GND GND Pin 1 Pin 2 ...

Page 7: ...ential MEB 1315 User Manual 1 4 MEB 1315 Series Block Diagram System block diagram description a External antenna b 4 Mega bits flash memory c 22 pin I O pin Antenna MT 3329 COM Port Internal SAW LNA USB Port MEB 1315 ...

Page 8: ...48dBm 6 TTFF Fix time chipset open sky Hot start 1s Warm start 33s Cold start 36s 7 Accuracy Position within 10m for 90 Velocity 0 1m s 8 Interface Protocol NMEA 0183 standard V3 01 and backward compliance GGA 1 GLL 1 GSA 1 GSV 1 RMC 1 VTG 1 9600bps 9 TCXO 16 369MHz 10 Navigation applications SBAS WAAS EGNOS GAGAN MSAS DGPS RTCM and AGPS 11 LNA INTERNAL Gain 19 dB Typ Noise Figure 2 5 dB Max Inter...

Page 9: ...RoyalTek Confidential MEB 1315 User Manual Mechanical requirements 17 Dimension mm 13 0 2 x 15 0 2 x 2 3 0 2mm 18 Weight 0 8g ...

Page 10: ...ROHM RB705D 1 3 2 3V3 alway s USB GAIN 1 stage LNA 17dB J2 U FL R SMT 3 2 1 Note 1 Ground Planes These pins 18 20 21 22 should be connected to ground 2 Serial Interface Ⅰ The TXA pin is the serial output data Default output GPS protocol NMEA Sentence Ⅱ The RXA pin is the serial input data Default output GPS protocol NMEA Sentence Ⅲ The TXB pin is the serial output data Default Null Ⅳ The RXB pin i...

Page 11: ...ower Connect VIN_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 stability 6 GPIO The GPIO function is for customer application If the GPIO function is not used it won t connect anything ...

Page 12: ...RoyalTek Confidential MEB 1315 User Manual 1 7 Recommend Layout PAD ...

Page 13: ...RoyalTek Confidential MEB 1315 User Manual 1 8 Mechanical Dimension ...

Page 14: ...second V V V V V OL OH 4 0 3 0 4 2 1 3 4 TXA O Serial port A V V V V V OL OH 4 0 3 0 4 2 1 3 5 RXA I Serial port A V V V V IL IH 8 0 0 3V 0 2 6 3 6 GPIO 10 I O General purpose I O V V V V IL IH 8 0 0 3V 0 2 6 3 V V V V V OL OH 4 0 3 0 4 2 1 3 7 GPIO 0 I O General purpose I O V V V V IL IH 8 0 0 3V 0 2 6 3 V V V V V OL OH 4 0 3 0 4 2 1 3 8 GPIO 1 I O General purpose I O V V V V IL IH 8 0 0 3V 0 2 6...

Page 15: ... is the DC power supply input pin for GPS system It provides voltage to module GND GND provides the reference ground RXA B TXA B This is as NEMA output and PMTK command input VDD_USB 3 3V DC power Input This is the DC power supply input pin for USB VDD_DP VDD_DM This interface is automatically converted to COM port to HOST operating system Users can update firmware through this interface RF_IN Thi...

Page 16: ... Backup battery This is the battery backup input when main power is removed Current draw is 6uA Max The supply voltage should be between 2 5V and 3 6V GPIO Functions Several I Os are connected to the digital interface connector for customer applications ...

Page 17: ...rse over ground and ground speed GGA Global 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 ...

Page 18: ...Mode fix valid GSA GNSS DOP and Active Satellites Table 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 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...

Page 19: ...048 42 02 51 062 43 26 36 256 42 27 27 138 42 71 GPGSV 2 2 07 09 23 313 42 04 19 159 41 15 12 041 42 41 Table 7 GSV Data Format Name Exampl e Units Description Message ID GPGS V GSV protocol header Total Number of Messages1 2 Range 1 to 3 Messages Number1 1 Range 1 to 3 Satellites in View 07 Satellite ID 07 Channel 1 Range 1 to 32 Elevation 79 degrees Channel 1 Range 00 to 90 Azimuth 048 degrees C...

Page 20: ...mple GPRMC 161229 487 A 3723 2475 N 12158 3416 W 0 13 309 62 120598 10 Table 8 RMC Data Format Name Example Units Description Message ID GPRMC RMC protocol header UTC Time 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 E W Indicator W E east or W west Speed Over Ground 0 13 knots True C...

Page 21: ...ees Measured heading Reference T True Course over ground degrees Measured heading Reference M Magnetic Speed over ground 2 69 Knots Measured speed Units N Knots Speed over ground 5 0 Km hr Measured speed Units K Kilometer per hour Mode A A autonomous D DGPS E DR Checksum 38 CR LF End of message termination GLL Geographic Position Latitude Longitude Table 10 contains the values of the following exa...

Page 22: ... 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 23: ...ow Diagram Figure 1 RoHS Reflow Diagram Temperature Time T25o C to peak 480 sec max 150o C 200o C 217o C Tsmin Tsmax 260o C Ts Pretest 60 180sec 60 150sec 20 40sec Ramp down 6o C sec Ramp up 3o C sec max TP TL Critical Zone TL to TP 245o C 260o C 10sec max ...

Page 24: ...ek com Headquarter Address 4F No 188 Wen Hwa 2nd Rd Kuei 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 6 Revision History Title MEB 1315 GPS Receiver Module Doc Type User Manual Revision Number Date Author Change notice 1 0 2009 01 16 May Chen Final Version Copyright 2009 RoyalTek Company Ltd ...

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