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RoyalTek REB-3310 Operation Manual

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REB-3310 Operational Manual
REB-3310 Operational Manual
Version 1.0
2005/4/7
This document contains information highly confidential to RoyalTek Company
LTD (RoyalTek). It is provided for the sole purpose of the business discussions
between supplier 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, R.O.C.
TEL: 886-2-77215000
FAX: 886-2-77215666
http://www.royaltek.com/contact
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Summary of Contents for RoyalTek REB-3310

  • Page 1 2005/4/7 This document contains information highly confidential to RoyalTek Company LTD (RoyalTek). It is provided for the sole purpose of the business discussions between supplier 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-3310 Operational Manual RoyalTek GPS Module: REB-3310 Operational Manual INTRODUCTION........................3 PRODUCT FEATURES ....................…. 3 PRODUCT APPLICATIONS ....................3 PRODUCT PICTURE........................ 4 REB-3310 SERIES SYSTEM BLOCK DIAGRAM..............6 REB-3310 TECHNIQUE SPECIFICATION................…. 7 APPLICATION CIRCUIT ..................………….. RECOMMENDED LAYOUT PAD ................………….. 9 GPS ANTENNA SPECIFICATION ..........

  • Page 3: Royaltek Gps Module: Reb-3310 Operational Manual

    RoyalTek GPS Module: REB-3310 Operational Manual Introduction RoyalTek REB-3310 low power and small form factor board is the newest generation of RoyalTek GPS Receiver. The GPS receiver is powered by SiRF Star III technology and RoyalTek proprietary navigation algorithm that providing you more stable navigation data.

  • Page 4: Product Picture

    REB-3310 Operational Manual Product Picture REB-3310 Pin16 Pin 15 Pin 32 Pin 1 REB-3310 Interface Board The interface board REB-3300 REB-3310 VCC_IN Boot select BOOT GPIO_3 GPIO_14 RF_ON RF_ON GND_A GND_A GND_A GND_A GND_A GND_A...
  • Page 5 V_ANT VCC_RF VCC_RF V_BAT Battery Reset IC_RESET GPIO_10 GPIO_10 GPIO_6 GPIO_1 GPIO_5 GPIO_5 GPIO_7 GPIO_0 GPIO_13 GPIO_13 GPIO_15 GPIO_15 TIMEMARK RoyalTek Evaluation Kit REV-2000 for REB-3310 (Please refer to RoyalTek Evaluation Kit REV-2000 for REB-3310 Operational Manual for more information)

  • Page 6: Reb-3310 Series System Block Diagram

    REB-3310 Operational Manual REB-3310 Series System Block Diagram REB-3310 engine board consists of SiRF star III chipset technology; 4/8/16Mbits flash memory, and proprietary software. The system is described as follows. a. Support external active patch antenna b. Support 4/8/16 Mega bits flash memory...

  • Page 7: Reb-3310 Technique Specification

    REB-3310 Operational Manual REB-3310 Technique Specification Impedance：50Ω Function Specification GPS receiver Chipset SiRF Star III Frequency L1 1575.42MHz. Code C.A. Code. Channels Sensitivity (Tracking) -159dBm. Cold start 37 sec Warm start 35 sec Hot start 1 sec Reacquisition 0.1sec typical Position accuracy ≦25m CEP.

  • Page 8: Application Circuit

    REB-3310 Operational Manual Application Circuit (1) Ground Planes: REB-3310 GPS receiver needs two different ground planes. The GND_A pin(11、 12、13、14、15、16、18) shall be connect to analog ground. The GND pin(2、10、30) connect to digital ground. (2) Serial Interface: The Serial interface pin(RXA、TX1、TXB、RXB) is recommended to pull up(10KΩ).

  • Page 9: Recommended Layout Pad

    REB-3310 Operational Manual antenna. The bias voltage will through RF_IN pin to provide active antenna bias voltage from Vcc_RF pin. If your bias voltage of active antenna isn’t 3.0V, you can input bias voltage to V_ANT_IN pin (pin 19). And input bias voltage of you need. It can open if you use passive antenna.

  • Page 10: Gps Antenna Specification

    REB-3310 Operational Manual GPS Antenna Specification (Recommendation) Active patch antenna Receiving freq. 1575.42 +/-1.032MHz Polarization RHCP Output impedance 50 Ohm 2 stage LNA LNA's gain ≧ 20dB and ≦26dB, noise figure ≦ 2.0dB Connection: surface mounted on main PCB...

  • Page 11: Mechanical Layout

    REB-3310 Operational Manual Mechanical Layout...

  • Page 12: Hardware Interface

    REB-3310 Operational Manual Hardware interface Definition of Pin assignment Pin # Signal Name I/O Description Characteristics DC Supply Voltage DC +3.3V±5% input Ground Digital Reference Ground Boot select Boot mode ≥ ≤ ≥ ≤ Serial port A Serial port A ≥...

  • Page 13: Definition Of Pin Assignment

    REB-3310 Operational Manual > < Reset Reset (Active low) 2.3V ≥ ≤ GPIO10 I/O General purpose I/O ≥ ≤ ≥ ≤ GPIO1 I/O General purpose I/O ≥ ≤ ≥ ≤ GPIO5 I/O General purpose I/O ≥ ≤ GPIO0 I/O General purpose I/O ≥...
  • Page 14 REB-3310 Operational Manual RF_ON This pin indicates state of RF voltage. RF_IN This pin receiver signal of GPS analog .due to the RF characteristics of the signal the design has to certain criteria. The line on the PCB from the antenna(or antenna connector) has to be a controlled impedance line (Microstrip at 50Ω).

  • Page 15: Software Interface

    REB-3310 Operational Manual Software Interface NMEA V3.0 Protocol Its output signal level is TTL: 4800 bps (default), 8 bit data, 1 stop bit and no parity. It supports the following NMEA-0183 Messages: GGA, GLL, GSA, GSV, RMC and VTG. NMEA Output Messages: the Engine board outputs the following messages as shown in Table...
  • Page 16 REB-3310 Operational Manual Units meters Geoid Separation meters Units meters Age of Diff. Corr. second Null fields when DGPS is not used Diff. Ref. Station ID 0000 Checksum End of message termination ＜CR＞＜LF＞ Table 3 Position Fix Indicators Value Description...
  • Page 17 REB-3310 Operational Manual 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...
  • Page 18 REB-3310 Operational Manual Table 5 GGA Data Format Name Example Units Description Message ID $GPGSV GSV protocol header Number of Range 1 to 3 Messages Messages Number Range 1 to 3 Satellites in View Satellite ID Channel 1(Range 1 to 32)
  • Page 19 REB-3310 Operational Manual Course Over 309.62 degrees True Ground Date 120598 ddmmyy Magnetic Variation degrees E=east or W=west Checksum End of message termination ＜CR＞＜LF＞ VTG-Course Over Ground and Ground Speed Table 7 contains the values of the following example: $GPVTG, 309.62, T, , M, 0.13, N, 0.2, K*6E...

  • Page 20: Gps Receiver User's Tips

    Wait until the weather condition is improved. 5. 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. Copyright © 2004-2005, RoyalTek Company Ltd.

  • Page 21: Mtbf Estimation

    Address: 8F, 256 Yang Guang Street, Neihu Chiu, Taipei, Taiwan, R.O.C. Tel: 886-2-77215000 Fax: 886-277215666   W eb Site: http://www.royaltek.com   W eb Site Customer Service: http://www.royaltek.com/contact Revision History Title REB-3310 GPS Receiver Module Doc Type User Manual...

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