Instruction/ maintenance manual of the product RET-3570LP RoyalTek
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RoyalTek Confidential RET-3570LP User Manual RET-3570LP User Manual Version 1.1 2007/07/09 This document contains information highly confidential to RoyalTek Company LTD (RoyalTek).
RoyalTek Confidential RET-3570LP User Manual Content 1. INTRODUCTION ................................................................................................................ 1 1.1 P RODUCT F EATURES ............................................
RoyalTek Confidential 1 RET-3570LP User Manual 1. Introduction RoyalTek RET-3570LP small form factor board is the newest generation of RoyalTek GPS plus TMC module.
RoyalTek Confidential 2 RET-3570LP User Manual 1.3 Product Pictures and Interface board (1) RET-3570LP (2) RET -3570LP Interface board The interface board pin definition J2 CONNECTOR Pin # Signal Name I/O Description Characteristics 1 N.C 2 N.C 3 Battery I Backup voltage supply 10uA Current 3.
RoyalTek Confidential 3 RET-3570LP User Manual 15 RXB I Serial port B V V V V V IL IH 855 . 0 0.3V - 15 . 3 995 . 1 ≤ ≤ ≤ ≤ CMOS TTL Level 16 N.C 17 Boot I Boot mode V V V V V IL IH 855 . 0 0.3V - 15 . 3 995 . 1 ≤ ≤ ≤ ≤ 18 GND G Ground 19 N.
RoyalTek Confidential 4 RET-3570LP User Manual 1.4 System Block Diagram System block diagram description: (1) External antenna. (2) 4 Mega bits flash memory (3) 31 pin I/O pin.
RoyalTek Confidential 5 RET-3570LP User Manual 1.5 T echnical Specification Impedance ： 50 Ω No Function Specification GPS receiver 1 Chipset SiRF Star III, GSC3f/LP (Digital, RF in a single package) 2 Frequency L1 1575.42MHz. 3 Code C.A. Code. 4 Channels 20 parallel 5 Chipset Sensitivity -159dBm.
RoyalTek Confidential 6 RET-3570LP User Manual 26 Operating temperature -40 ~ 85 ℃ 27 Humidity ≦ 95% 1.6 Application Circuit Reference: Note: (1) Ground Plane s: RET3570LP GPS receiver needs two different ground planes. These pins(13 、 15 、 16 、 18) should be connected to analog grou nd.
RoyalTek Confidential 7 RET-3570LP User Manual impedance to connect RF_IN to the antenna or any antenna connectors that you prefer . (Impedance 50 Ω ) (5) FM_RF_IN: Connecting to the antenna has to be routed on the PCB. The trans mission line must control impedance to connect FM_RF_IN to th e antenna or any antenna connectors tha t you prefer .
RoyalTek Confidential 8 RET-3570LP User Manual 1.7 Recommended layout PAD To p V i e w.
RoyalTek Confidential 9 RET-3570LP User Manual 1.8 Mechanical Layout U n i t : m m P1 P16 P31 P17 1.9 T est Softwar e Specification No Function Specification 1 Clock offset 88000Hz ≦ Measurement ≦.
RoyalTek Confidential 10 RET-3570LP User Manual 1.10 Hardware interface Interface Pin Number: Pin # Signal Name I/O Description Characteristics 1 V_GPS_3V3 I DC Supply V oltage input DC +3.3V ± 5% 2 GND G Ground Reference Ground 3 BOOT I Boot mode V V V V V IL IH 855 .
RoyalTek Confidential 11 RET-3570LP User Manual (Input impedance 50 Ω ; Frequency 87.5~108MHz) 15 GND G Ground Reference Ground 16 GND G Ground Reference Ground 17 GPS_RF_IN I GPS Signal input 50 Ω @1.57542GHz 18 GND G Ground Reference Ground 19 V_ANT_IN I Active Antenna Bias voltage Receiving DC power supply for active antenna bias.
RoyalTek Confidential 12 RET-3570LP User Manual TXA This is the main transmitting channel and is us ed to output navigation and measurement data to SiRFdemo or from user ’ s application. TXB For user ’ s application.(Not current use). RF_ON This pin indicates the status of RF voltage.
RoyalTek Confidential 13 RET-3570LP User Manual The supply voltage should be between 2.5V and 3.6V . GPIO Functions Several I/Os are connected to the digital interface connector for customer applications.
RoyalTek Confidential 14 RET-3570LP User Manual 2. Software Interface NMEA V3.0 Protocol Its output signal level is TTL: 3840 0 bps (default), 8 bit data, 1 stop b it and no parity.
RoyalTek Confidential 15 RET-3570LP User Manual Table 3 Position Fix Indicators V alue Description 0 Fix not available or invalid 1 GPS SPS Mode, fix valid 2 Differential GPS, SPS Mode, fix v alid 3-5.
RoyalTek Confidential 16 RET-3570LP User Manual M Manual-force d to operat e in 2D or 3D mode A Automatic-allowed to automatically switch 2D/3D GSV -GNSS Satellites in V iew T able 7 contains the valu.
RoyalTek Confidential 17 RET-3570LP User Manual Latitude 3723. 2475 ddmm .mmmm N/S Indicator N N=north or S=south Longitude 121 58.3416 dddmm .mmmm E/W Indicator W E=east or W=west Speed Over Grou nd 0.
RoyalTek Confidential 18 RET-3570LP User Manual 3. GPS Receiver User’s Tip A. GPS signal will be affected by weather and environment conditions, so it is recommended to use the GPS receiver under less shielding environm ents to ensure GPS receiver has better receiving performance.
RoyalTek Confiden tial 19 RET-3570 Operational Manual 4. Package Specificatio n and Order I nformation Shipment Method: Tape and reel 5. Contact Royalte k Contact: sales@royaltek.com Headquarter: Address: 8F, 256 Yang Guang Street, Neihu Chiu, Taipei, Taiwan Tel: 886-2-77215000 Fax: 88 6-277 215666 Web Site: http://www.
An important point after buying a device RoyalTek RET-3570LP (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought RoyalTek RET-3570LP yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data RoyalTek RET-3570LP - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, RoyalTek RET-3570LP you will learn all the available features of the product, as well as information on its operation. The information that you get RoyalTek RET-3570LP will certainly help you make a decision on the purchase.
If you already are a holder of RoyalTek RET-3570LP, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime RoyalTek RET-3570LP.
However, one of the most important roles played by the user manual is to help in solving problems with RoyalTek RET-3570LP. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device RoyalTek RET-3570LP along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
