Download
Share
Print this page
  1. Manuals
  2. Brands
  3. RoyalTek Manuals
  4. GPS
  5. REB-1722 Series
  6. Operational manual

RoyalTek REB-1722 Series Operational Manual

Hide thumbs

Advertisement

Quick Links

Download this manual
REB-1722 Operational Manual
REB-1722 Operational Manual
Version 0.2
2009/09/02
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.
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

Advertisement

loading
Need help?

Need help?

Do you have a question about the REB-1722 Series and is the answer not in the manual?

Questions and answers

Related Manuals for RoyalTek REB-1722 Series

Summary of Contents for RoyalTek REB-1722 Series

  • Page 1 2009/09/02 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

    REB-1722 Operational Manual Content Introduction....................2 Software Interface..................15 GPS Receiver User’s Tip ................21 Package Specification and Order Information ...........22 Contact Royaltek ..................23 Revision History ..................23 RoyalTek Confidential...

  • Page 3: Introduction

    REB-1722 Operational Manual 1. Introduction RoyalTek REB-1722 is powered by latest SiRF Star III low power single chip. It uses the proprietary navigation technology to provide you with stable and accurate navigation data. The high sensitivity, ultra low power consumption 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 4 REB-1722 Operational Manual 1.2 Product Pictures (1) REB-1722 (2) REB-1722 Interface board RoyalTek Confidential...
  • Page 5 REB-1722 Operational Manual 1.3 REB-1722 Series Block Diagram System block diagram description: a. External antenna. b. 4 Mega bits flash memory. 28 pin I/O pin. RoyalTek Confidential...
  • Page 6 18dB Gain. (Typical) I/O Pin 28pins Mechanical requirements Weight ≦3.5g Power consumption DC +3.0~3.6V V_BCKP DC +1.4~3.6V Avg. ≦ 28mA@3.3V(without ext. antenna) Current Environment - Operating : -40 ~ 85℃ Temperature - Storage : -40 ~ 85℃ Humidity ≦95% RoyalTek Confidential...
  • Page 7 It’s recommended to connect a backup battery to V_BCKP pin and to enable the warm start and hot start features of the GPS receiver. If you use backup battery, should be adding a bypassing capacitor (0.01~10uF) at V_BCKP pin. It can reduce noise and increase the stability. RoyalTek Confidential...
  • Page 8 V_ANT 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 pin. (1) The maximum power consumption of active antenna is about 85mW. (2) The input gain ranges are 19~ 27dB. RoyalTek Confidential...
  • Page 9 REB-1722 Operational Manual Recommend Layout PAD: TOP View Parameter Specification 22.4 +0.6/-0.1mm 17.0 ±0.1mm 3.0 ±0.2mm 2.55 +0.3/-0.1mm 1.1 ±0.1mm 3.80 ±0.1mm 1.10 ±0.1mm 2.85 +0.3/-.01mm RoyalTek Confidential...
  • Page 10 REB-1722 Operational Manual Footprint and paste mask TOP View RoyalTek Confidential...
  • Page 11 REB-1722 Operational Manual 1.6 Mechanical Layout RoyalTek Confidential...
  • Page 12 REB-1722 Operational Manual 1.7 Hardware interface Interface Pin Number: RoyalTek Confidential...
  • Page 13 Active Antenna Receiving DC power supply for active V_ANT Bias voltage antenna bias. Active Ant. Detect Active Antenna=>”low” AADET0_N ≥ ≥ ≤ ≤ 0.3V Detect 21~26 N.C. N.C. None connector EXTINT0 Ext. Interrupt Internal pull-up resistor to 2.85V RoyalTek Confidential...
  • Page 14 2. If using connects to VCC_RF pin supply to Active antenna, pin 18 has to be connected to pin 19 PS: The current must be ≦100mA and voltage ≦5.5V, if using external power supply. VCC_RF_OUT This pin can provide power 20mA@DC+2.85V for active antenna. RoyalTek Confidential...
  • Page 15 Several I/Os are connected to the digital interface connector for custom applications. AADET0_N AADET0_N is an input pin and it is used to report whether an external circuit has detected an external antenna or not. Low means antenna has been detected. High means no external antenna has been detected. RoyalTek Confidential...

  • Page 16: Software Interface

    N/S Indicator N=north or S=south Longitude 12158.341 Dddmm.mmmm E/W Indicator E=east or W=west Position Fix See Table 2-1 Indicator Satellites Used Range 0 to 12 HDOP Horizontal Dilution of Precision MSL Altitude meters Units meters Geoid Separation meters RoyalTek Confidential...
  • Page 17 Sv on Channel 1 Used ID of Satellite Sv on Channel 2 Used …. …. ID of Satellite Sv on Channel 12 Used PDOP Position Dilution of Precision HDOP Horizontal Dilution of Precision VDOP Vertical Dilution of Precision Checksum RoyalTek Confidential...
  • Page 18 Number Satellites in View Satellite ID Channel 1(Range 1 to 32) Elevation degrees Channel 1(Range 00 to 90) Azimuth degrees Channel 1(True, Range 000 to 359) SNR (C/No) dBHz Channel 1(Range 0 to 99, null when not tracking) RoyalTek Confidential...
  • Page 19 E/W Indicator E=east or W=west Speed Over 0.13 knots True Ground Course Over 309.62 degrees Ground Date 120598 ddmmyy Magnetic degrees Variation Variation sense E=east or W=west (Not shown) Mode A=Autonomous, D=DGPS, E=DR Checksum <CR><LF> End of message termination RoyalTek Confidential...
  • Page 20 Measured speed ground Units Knots Speed over Km/hr Measured speed ground Units Kilometer per hour Mode A-autonomous, D=DGPS, E=DR Checksum <CR><LF> End of message termination GLL-Geographic Position – Latitude/Longitude Table 10 contains the values of the following example: $GPGLL,2503.6319,N,12136.0099,E,053740.000,A,A*52 RoyalTek Confidential...
  • Page 21 GLL protocol header Latitude 2503.6319 ddmm.mmmm N/S indicator N=north or S=south Longitude 12136.0099 Dddmm.mmmm E/W indicator E=east or W=west UTC Time 053740.000 hhmmss.sss Status A=data valid or V=data not valid Mode A=autonomous, D=DGPS, E=DR Checksum <CR><LF> End of message termination RoyalTek Confidential...

  • Page 22: Gps Receiver User's Tip

    Move the GPS receiver away from the interferences resources. iv. Wait until the weather condition is improved. 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...

  • Page 23: Package Specification And Order Information

    REB-1722 Operational Manual 4. Package Specification and Order Information Shipment Method: Tape and reel SMT type with stamp holes (28 holes) RoyalTek Confidential...

  • Page 24: Contact Royaltek

    Address: 4F., No.188, Wen Hwa 2nd Rd., Kuei Shan, Tao Yuan 333, Taiwan TEL: 886-3-3960001 FAX: 886-3-3960065   W eb Site: http://www.royaltek.com   W eb Site Customer Service: http://www.royaltek.com/contact 6. Revision History Title REB-1722 GPS Receiver Module Doc Type...