RoyalTek MEB-1000 User Manual
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RoyalTek MEB-1000 User Manual

Gps module
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This document contains information highly confidential to RoyalTek Company LTD
(RoyalTek). 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.
文件編號：
MEB-1000 User Manual
Version 1.0
2007/05/25
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
MEB-1000 User Manual

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Summary of Contents for RoyalTek MEB-1000

  • Page 1 MEB-1000 User Manual This document contains information highly confidential to RoyalTek Company LTD (RoyalTek). 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.

  • Page 2: Table Of Contents

    Introduction... 1 Product Features...1 Product Applications...1 Product Pictures...2 The interface Board Pin Definition...2 RoyalTek Evaluation Kit MEV-1000 for MEB-1000...4 MEB-1000 System Block Diagram ...5 MEB-1000 Technical Specification ...5 Application Circuit ...7 Recommended Layout PAD ...9 1.10 Mechanical Layout ...10 1.11 Hardware Interface...10...
  • Page 3 MEB-1000 User Manual Table Index Table 1-1 J2 Connector ...2 Table 1-2 Switch U4 ...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...
  • Page 4 MEB-1000 User Manual Figure Index Figure 1 MEB-1000 Picture ...2 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...

  • Page 5: Introduction

    1 Introduction RoyalTek MEB-1000 small form factor board is the newest generation of RoyalTek GPS module. The module is powered by MediaTek MT3301 and MT3179. 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.

  • Page 6: Product Pictures

    1.4 The interface Board Pin Definition Pin # Signal Name I/O ANTPWR VBAT MEB-1000 User Manual Figure 1 MEB-1000 Picture Figure 2 MEB-1000 Interface Board Table 1-1 J2 Connector Description DC Supply Voltage Output RTC Backup Battery Supply connector (J1)

  • Page 7: Table 1-2 Switch U4

    Reset Time Mark Pin # Signal Name 0/1 GPIO-0 GPIO-4 GPS_3V3 RF_Bias MEB-1000 User Manual DC Supply Voltage Output External Reset Signal Serial Port 0 Serial Port 0 Serial Port 1 Serial Port 1 Reference Ground One pulse per second...

  • Page 8: Royaltek Evaluation Kit Mev-1000 For Meb-1000

    Pin # Description GPS RF Connector 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) MEB-1000 User Manual Table 1-3 Connector: Characteristics 1575.42MHz antenna.

  • Page 9: Meb-1000 System Block Diagram

    1.6 MEB-1000 System Block Diagram System block diagram description: (1) External antenna. (2) 4 Mega bits flash memory (3) 31 pin I/O pin Antenna 1.7 MEB-1000 Technical Specification Impedance：50Ω Function GPS receiver Chipset Frequency Code Channels Sensitivity (Acquisition) Cold start...
  • Page 10 Mechanical requirements Weight Power consumption Current Environment Operating temperature Storage temperature MEB-1000 User Manual < 1sec 3 meters 2D RMS(w/o aid) 18000 m 515 m/s It can store the protocol setup in the SRAM and Flash memory. 1.WAAS, EGNOS 2.RTCM protocol...

  • Page 11: Application Circuit

    It’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.
  • Page 12 (1) The maximum power consumption of active antenna is about 100mW. (2) Suggest input gain > 20dB，and NF < 1.5 dB 。 (6) GPIO: The GPIO pin is recommended to connect to serial resistance(220Ω),if use the GPIO function. If no use GPIO function, it don’t connect anything. MEB-1000 User Manual...

  • Page 13: Figure 5 Recommended Layout Pad

    MEB-1000 User Manual 1.9 Recommended Layout PAD TOP View Figure 5 Recommended Layout Pad...

  • Page 14: Mechanical Layout

    MEB-1000 User Manual 1.10 Mechanical Layout Unit：mm Figure 6 Mechanical Layout 1.11 Hardware Interface Interface Pin Number:...

  • Page 15: Table 1-4 Pin Definition

    Figure 7 Interface Pin Number Pin # Signal Name V_GPS_3V3 RF_ON MEB-1000 User Manual Table 1-4 Pin Definition Description Characteristics DC Supply DC +3.3V±5% Voltage input Ground Reference Ground ≥ Serial port A ≥ Serial port A ≥ Serial port B ≥...
  • Page 16 This is the DC power supply input pin for GPS system. It provides voltage to module. GND provides the ground . This is the main receiver channel and is used to receive software commands to the board from PowerGPS software or from user written MEB-1000 User Manual Ground Reference Ground Ground Reference Ground GPS Signal input 50 Ω...
  • Page 17 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 1.6V and 3.6V. GPIO Functions MEB-1000 User Manual...
  • Page 18 MEB-1000 User Manual Several I/Os are connected to the digital interface connector for custom applications.

  • Page 19: Software Interface

    Longitude E/W Indicator Position Fix Indicator Satellites Used HDOP MSL Altitude Units Geoid Separation MEB-1000 User Manual Description Global positioning system fixed data GNSS DOP and active satellites GNSS satellites in view Recommended minimum specific GNSS data Example Units Description...

  • Page 20: Table 2-3 Position Fix Indicators

    Mode 2 Satellite Used Satellite Used …. Satellite Used PDOP HDOP VDOP Checksum ＜CR＞＜LF＞ Value MEB-1000 User Manual meters second Null fields when DGPS is not used 0000 End of message termination Description Units Description GSA protocol header See Table 4-2...

  • Page 21: Table 2-7 Gga Data Format

    Depending on the number of satellites tracked multiple messages of GSV data may be required. RMC-Recommended Minimum Specific GNSS Data Below table contains the values of the following example: $GPRMC, 161229.487, A, 3723.2475, N, 12158.3416, W, 0.13, 309.62, 120598, ,*10 MEB-1000 User Manual Table 2-6 Mode 2 Description Units Description...

  • Page 22: Table 2-8 Gga Data Format

    E/W Indicator Speed Over Ground 0.13 Course Over 309.62 Ground Date 120598 Magnetic Variation Mode Checksum MEB-1000 User Manual Units Description RMC protocol header hhmmss.sss A=data valid or V=data not valid ddmm.mmmm N=north or S=south dddmm.mmmm E=east or W=west knots...

  • Page 23: Figure 8 Rohs Reflow Diagram

    3 RoHS Reflow Diagram C to peak, 480 sec max Figure 8 RoHS Reflow Diagram MEB-1000 User Manual 20~40sec Ramp-up C/sec max Ts Pretest 60~180sec Time Critical Zone C,10sec max to T Ramp-down C/sec 60~150sec...

  • Page 24: Package Specification And Order Information

    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: Contact Information

    Address: 8F, 256 Yang Guang Street, Neihu Chiu, Taipei, Taiwan Tel: 886-2-77215000 Fax: 886-277215666   W eb Site: http://www.royaltek.com   W eb Site Customer Service: http://www.royaltek.com/contact 6 Revision History Title MEB-1000 GPS Receiver Module Doc Type User Manual...

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