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RoyalTek GPS导航设备-REB-3300说明书.pdf

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Introduction
Product applications
Mechanical Layout
Characteristics
VCC(+3.3V DC power Input)
GND
Bootselect
RXA
RXB
TXA
TXB
RF_ON
RF_IN
V_ANT_IN
VCC_RF
Reset
PPS
Backup battery (V_BAT)
GPIO Functions
GGA-Global Positioning System Fixed Data
GLL-Geographic Position –Latitude/Longitude
GSA-GNSS DOP and Active Satellites
GSV-GNSS Satellites in View
RMC-Recommended Minimum Specific GNSS Data
VTG-Course Over Ground and Ground Speed
GPS Receiver User’s Tip
REB-3300 Operational Manual REB-3300 Operational Manual Version 1.0 2004/11/24 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 1
REB-3300 Operational Manual RoyalTek GPS Module: REB-3300 Operational Manual INTRODUCTION.................................................................................................................... 3 PRODUCT FEATURES ....................................................................................................…. 3 PRODUCT APPLICATIONS .................................................................................................. 3 PRODUCT PICTURE................................................................................................................ 4 REB-3300 SERIES SYSTEM BLOCK DIAGRAM.................................................................. 5 REB-3300 TECHNIQUE SPECIFICATION..........................................................................…. 6 APPLICATION CIRCUIT .....................................................................................………….. 7 RECOMMENDED LAYOUT PAD ............................................................................………….. 8 GPS ANTENNA SPECIFICATION .......................................................................................….9 MECHANICAL LAYOUT .......................................................................................……….…...10 HARDWARE INTERFACE …….............................................. ................................................11 DEFINITION OF PIN ASSIGNMENT ........................................................ ......................……12 TEST SOFTWARE SPECIFICATION ..............……......................................... ......................14 SOFTWARE INTERFACE................................................................................…… ……….…15 NMEA V3.0 PROTOCOL..................................................................................…… ……….…15 GPS RECEIVER USER’S TIPS......................................................................................……..20 MTBF ESTIMATION………………….............................................. .......................……......… 21 PACKAGE SPECIFICATION AND ORDER INFORMATION................. ................……......…21 CONTACT INFORMATION SECTION....................................................................……......…21 2
REB-3300 Operational Manual RoyalTek GPS Module: REB-3300 Operational Manual Introduction RoyalTek REB-3300 low power and small form factor board is the newest generation of RoyalTek GPS Receiver. The GPS receiver is powered by SiRFStarIIe/LP technology with XTrac 2.0 firmware and RoyalTek proprietary navigation algorithm that providing you more stable navigation data. The smallest form factor and miniature design is the best choice to be embedded in a portable device like PDA, personal position and navigation like personal locator, speed camera detector and vehicle locator. The excellent sensitivity of REB-3300 gets the great performance when going though the urban canyon and foliage. Product Features 12 parallel channels Operable from 3.3V/65mA continuous mode. SMT type with stamp holes Pin reserved for Backup battery and RF connector TCXO design 7 I/O lines(GPIO) available to connect 0.1 second reacquisition time Small form factor. NMEA-0183 compliant protocol/custom protocol. Enhanced algorithm for navigation stability. Excellent sensitive for urban canyon and foliage environments. SBAS (WAAS, EGNOS and MSAS) support Auto recovery while RTC crashes Trickle power supported ARM 7 CPU core accessible 4/8/16Mbits Flash Memory Optional SiRFStarII normal version firmware SiRFStarII enhance(ES) version firmware XTrac 2.0 high sensitivity(HS) version firmware Product applications Automotive navigation 3
REB-3300 Operational Manual Personal positioning and navigation Marine navigation Timing application Product Picture REB-3300 Pin16 Pin 15 Pin 32 Pin 1 REB-3300 Interface Board RoyalTek Evaluation Kit REV-2000 for REB-3300 (Please refer to RoyalTek Evaluation Kit REV-2000 for REB-3300 Operational Manual for more information) 4
REB-3300 Operational Manual REB-3300 Series System Block Diagram REB-3300 engine board consists of SiRF star IIe/LP 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 c. 30 I/O pins 5
REB-3300 Operational Manual REB-3300 Technique Specification ImpedanceG50[ No Function Specification GPS receiver Frequency 1 Chipset 2 3 Code 4 Channels 5 Sensitivity (Tracking) 6 7 Sensitivity (Cold Start) Sensitivity (Warm Start) 8 Cold start 9 Warm start 10 Hot start 11 Reacquisition 12 Clock drift 13 Clock offset 14 Position accuracy 15 Maximum altitude 16 Maximum velocity 17 Trickle power mode 18 Update rate 19 Navigation filter 20 Testability 22 Protocol setup 23 DGPS Interface 24 LNA 25 I/O Pin 37 dB-Hz when external power = SiRF GSP 2e/LP, GRF 2i/LP L1 1575.42MHz. C.A. Code. 12. It shall show C/No -130dBm. 28 dBHz (SSII normal version software) 28 dBHz (SSII ES version software) 16 dBHz (SSII XTrac version software) 36 dBHz (SSII normal version software) 33 dBHz (SSII ES version software) 32 dBHz (SSII XTrac version software) 36 dBHz (SSII normal version software) 33 dBHz (SSII ES version software) 28 dBHz (SSII XTrac version software) 45sec typical (SSII normal version software, Open sky) 75sec typical (SSII ES version software, Open sky) 45sec typical (SSII XTrac version software, Open sky) 38sec typical (SSII normal version software, Open sky) 40sec typical (SSII ES version software, Open sky) 35sec typical (SSII XTrac version software, Open sky) 8 sec. typical (SSII normal version software, Open sky) 18 sec. typical (SSII ES version software, Open sky) 4 sec. typical (SSII XTrac version software, Open sky) 0.1sec typical 200Hz in 60 sec 90000Hz Clock offset 100000Hz 25m CEP. 18000 m 514 m/s Duty cycle 34%. (Variable) Default: disable(option: enable) Continuous operation: 1Hz It shall freeze the navigation update when speed 2.5 km/hr It shall be able to be tested by SiRF test II and single channel simulator. It shall store the protocol setup in the SRAM memory. 1.WAAS, EGNOS 2.RTCM protocol On board LNA : a. Gain b. N.F. < 2dB 14dB 30pin stamp holes 6
REB-3300 Operational Manual 3.5g Mechanical requirements 26 Weight Power consumption 27 Vcc 28 Current 29 Trickle power mode 30 Power down mode current Environment 31 Operating temperature 32 Humidity 33 Interface Protocol DC 3.3 ±5% REB3300: Current Average current 1. It means that the GPS receiver is in power down mode. 2. Current 65mA@3.3V typical (w/o ext. antenna) 65mA. (IO float) 800gA. -40 ~ 85J 95% 1. NMEA 0183 ver 3.0, GGA, GSA, RMC and GSV once per 2. SiRF Protocol 3. 4800 bps, 8 data bits, no parity, 1 stop bits Application Circuit (1) Ground Planes: REB-3300 GPS receiver needs two different ground planes. The GND_A pin(11B 12B13B14B15B16B18) shall be connect to analog ground. The GND pin(2B10B30) connect to digital ground. (2) Serial Interface: The Serial interface pin(RXABTX1BTXBBRXB) is recommended to pull up(10K[). It can increase the stability of serial data. (3) Backup Battery: It’s recommended to connect a backup battery to V_BAT. In order to enable the warm 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, shall need to add a bypassing capacitor (10uF) at V_bat 7
REB-3300 Operational Manual trace. It can reduce noise and increase the stability. (4) Antenna: Connecting to the antenna has to be routed on the PCB. The transmission line must to controlled impedance to connect RF_IN to the antenna or antenna connector of your choice. (5) Active antenna bias voltage: The Vcc_RF pin(pin 20) is provide voltage 3.0V. If you use active antenna, you can connect this pin to V_ANT_IN pin (pin 19) to provide bias voltage of active 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. The input bias voltage will through RF_IN pin to provide active antenna bias voltage from V_ANT_IN pin. The maximum power consumption of active antenna is about 100mW (6) Power: Connect Vcc pin to DC 3.3V.The power supply must add bypassing capacitor(10uF and 1uF).It can reduce the Noise from power supply and increase power stability. Recommended layout PAD 8
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