RoyalTek MEB-1000, User Manual

Page 1: ...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 8F 256 Yang Guang Street Neihu Chiu Taipei Taiwan TEL 886 2 77215000 FAX 886 2 77215666 http www royaltek com contact 文件編號 ...

Page 2: ... Kit MEV 1000 for MEB 1000 4 1 6 MEB 1000 System Block Diagram 5 1 7 MEB 1000 Technical Specification 5 1 8 Application Circuit 7 1 9 Recommended Layout PAD 9 1 10 Mechanical Layout 10 1 11 Hardware Interface 10 2 Software Interface 15 2 1 NMEA V3 1 Protocol 15 3 RoHS Reflow Diagram 19 4 Package Specification and Order Information 20 5 Contact Information 21 6 Revision History 21 ...

Page 3: ...Table 1 3 Connector 4 Table 1 4 Pin Definition 11 Table 2 1 NMEA 0183 Output Messages 15 Table 2 2 GGA Data Format 15 Table 2 3 Position Fix Indicators 16 Table 2 4 GSA Data Format 16 Table 2 5 Mode 1 16 Table 2 6 Mode 2 17 Table 2 7 GGA Data Format 17 Table 2 8 GGA Data Format 18 ...

Page 4: ...Figure 2 MEB 1000 Interface Board 2 Figure 3 Block Diagram 5 Figure 4 Application Circuit 7 Figure 5 Recommended Layout Pad 9 Figure 6 Mechanical Layout 10 Figure 7 Interface Pin Number 11 Figure 8 RoHS Reflow Diagram 19 Figure 9 Tape Reel Packaging Information 20 ...

Page 5: ...ice such as portable navigation device personal locator speed camera detector and vehicle locator 1 1 Product Features 32 parallel channels SMT type with stamp holes High quality stereo audio output TCXO design 0 1 second reacquisition time NMEA 0183 compliant protocol customize protocol Enhanced algorithm for navigation stability Excellent sensitivity for urban canyon and foliage environments DGP...

Page 6: ... 1000 Interface Board 1 4 The interface Board Pin Definition Table 1 1 J2 Connector Pin Signal Name I O Description Characteristics 1 ANTPWR I DC Supply Voltage Output 3 3V 5 2 NC 3 VBAT I RTC Backup Battery Supply 3 6V 1 6 DC pin1 Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 U4 J2 CONNECTOR Pin 19 Pin 20 Pin 2 Pin 1 SMARF connector J1 ...

Page 7: ...rence Ground 19 Time Mark O One pulse per second 20 GND G Reference Ground Table 1 2 Switch U4 Pin Signal Name 0 1 Description Characteristics 1 GPIO 0 GPIO input output Switch 0 Low 1 High CMOS TTL Level 2 GPIO 4 GPIO input output Switch 0 Low 1 High CMOS TTL Level 3 N C 4 N C 5 GPS_3V3 Power supply for GPS section Switch 0 Low 1 DC 3 3V output 6 N C 7 N C 8 RF_Bias RF_Bias voltage switch 0 open ...

Page 8: ...able 1 3 Connector Pin Description Characteristics J1 GPS RF Connector 1575 42MHz 1 5 RoyalTek Evaluation Kit MEV 1000 for MEB 1000 Please refer to RoyalTek Evaluation Kit MEV 1000 for MEB 1000 Operational Manual for more information ...

Page 9: ...I O pin Antenna Figure 3 Block Diagram 1 7 MEB 1000 Technical Specification Impedance 50Ω No Function Specification GPS receiver 1 Chipset MediaTek MT3179 RF MT3301 Digital 2 Frequency L1 1575 42MHz 3 Code C A Code 4 Channels 32 5 Sensitivity Acquisition 130dBm 6 Cold start 36 sec open sky 7 Warm start 35 sec open sky 8 Hot start 1 sec open sky ...

Page 10: ...estability N A 16 Protocol setup It can store the protocol setup in the SRAM and Flash memory 17 DGPS 1 WAAS EGNOS 2 RTCM protocol Interface 18 LNA No LNA 19 I O Pin 31pin Mechanical requirements 20 Weight 3 5g Power consumption 21 Vcc DC 3 3 5 22 Current GPS 65mA 3 3V ACQ w o ext Antenna 40mA 3 3V Tracking w o ext Antenna Environment 23 Operating temperature 30 85 24 Storage temperature 40 85 ...

Page 11: ...s recommended to connect a backup battery to V_RTC_3V3 In order to enable the warm start and hot start features of the GPS receiver If you don t intend to use a backup battery connect this pin to GND or open If you use backup battery should be add a bypassing capacitor 10uF at V_RTC_3V3 pin It can reduce noise and increase the stability 3 GPS_RF_IN Connecting to the antenna has to be routed on the...

Page 12: ...in to provide active antenna bias voltage from Vcc_RF_OUT pin If your bias voltage of active antenna isn t 2 85V you can input bias voltage to V_ANT_IN pin pin 19 And input bias voltage of you need The input bias voltage will through GPS_RF_IN pin to provide active antenna bias voltage from V_ANT_IN pin PS 1 The maximum power consumption of active antenna is about 100mW 2 Suggest input gain 20dB a...

Page 13: ...9 MEB 1000 User Manual 1 9 Recommended Layout PAD TOP View Figure 5 Recommended Layout Pad ...

Page 14: ...10 MEB 1000 User Manual 1 10 Mechanical Layout P1 P16 P31 P17 Unit mm Figure 6 Mechanical Layout 1 11 Hardware Interface Interface Pin Number ...

Page 15: ... Reference Ground 3 N C 4 RXA I Serial port A V V V V V IL IH 8 0 0 3V 2 6 3 5 TXA O Serial port A V V V V V OL OH 4 0 0 3V 4 2 15 3 6 TXB O Serial port B V V V V V OL OH 4 0 0 3V 4 2 15 3 7 RXB I Serial port B V V V V V IL IH 8 0 0 3V 2 6 3 8 N C 9 RF_ON O Indicates power state of RF part V V V V OL OH 0 85 2 10 GND G Ground Reference Ground 11 N C 12 N C 13 GND G Ground Reference Ground ...

Page 16: ...V V V V IL IH 8 0 0 3V 2 6 3 23 N C 24 N C 25 GPIO4 I O General purpose I O V V V V V IL IH 8 0 0 3V 2 6 3 V V V V V OL OH 4 0 0 3V 4 2 15 3 26 GPIO0 I O General purpose I O V V V V V IL IH 8 0 0 3V 2 6 3 V V V V V OL OH 4 0 0 3V 4 2 15 3 27 N C 28 N C 29 PPS O One pulse per second V V V V V OL OH 4 0 0 3V 4 2 15 3 30 GND G Ground Reference Ground 31 N C V_GPS_3V3 3 3V DC power Input This is the D...

Page 17: ...ive antenna If using 2 85V active antenna pin 20 has to be connected to pin 19 If using 3 3V or 5V active antenna this pin has to be connected to 3 3V or 5V power supply PS The current must be 100mA and voltage 12V if using external power supply VCC_RF_OUT This pin can provide power 35mA 2 85V for active antenna Reset This pin provides an active low reset input to the board It causes the board to ...

Page 18: ...14 MEB 1000 User Manual Several I Os are connected to the digital interface connector for custom applications ...

Page 19: ...tes in view RMC Recommended minimum specific GNSS data GGA Global Positioning System Fixed Data Below table 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 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...

Page 20: ... DOP and Active Satellites Below table 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 2 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 ...

Page 21: ...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 0 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 ...

Page 22: ... 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 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 ...

Page 23: ... Figure 8 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: ...20 MEB 1000 User Manual 4 Package Specification and Order Information Shipment Method Tape and reel SMT type with stamp holes 31 holes Figure 9 Tape Reel Packaging Information ...

Page 25: ... Street Neihu Chiu Taipei Taiwan Tel 886 2 77215000 Fax 886 277215666 Web Site http www royaltek com Web Site Customer Service http www royaltek com contact 6 Revision History Title MEB 1000 GPS Receiver Module Doc Type User Manual Revision Number Date Author Change notice 1 0 2007 05 25 Amy Liu Initial Release ...