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RoyalTek RSA-1500L manual

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Table of contents for the manual

  • Page 1

    RSA-1500L User Manual RSA-1500L User M anual Version 1.2 2008/01/24 This document contains information highly confidential to RoyalTek Company LTD (RoyalTek). It is prov ided for the sole purpose o f the b usiness discussions between supplier and RoyalTek and is covered unde r the terms of the applicable Non-Disclosure Agreements. Disclosure of thi[...]

  • Page 2

    I RSA-1500L User Manual Figure List ........................ ..................................... ...................................... ............................. II T able List .......... ...................................... ..................................... ...................................... ...... III 1 Introduction ..............[...]

  • Page 3

    II RSA-1500L User Manual Figure List Figure 1-1 RS A-1500L Front View ......... ..................................... ........................... 5 Figure 1-2 RS A-1500L Bottom View ............................. ..................................... ... 5 Figure 1-3 System Blo ck Diagram ....................................... .....................[...]

  • Page 4

    III RSA-1500L User Manual Table List T able 1-1 T echnical Specif ications ........................ ...................................... ......... 6 T able 1-2 Definition o f Pin assignm ent .......................................... .................... 10 T able 2-1 NM EA-0183 Output M essages ................. .................................[...]

  • Page 5

    4 RSA-1500L User Manual 1 Introduction Royal Tek RS A-1500L low power and smal l form factor board is the new est generation of Royal Tek smart anten na GPS m odule. The s mart anten na GPS module is pow ered by SiRF Star III technology and RoyalTek proprietary navi gation algorithm that providin g you more stable navigation data. Parallel design i[...]

  • Page 6

    5 RSA-1500L User Manual 1.2 Product Picture RSA -1500L Figure 1-1 RS A-1500L Fro nt View Figure 1-2 RS A-1500L Bot tom View 1.3 RSA-1500L System Block Dia gram System block dia gram description : a. External antenna. b. 4 Mega bits flash memor y c. 6 pin I/O pin Figure 1-3 System Blo ck Diagram[...]

  • Page 7

    6 RSA-1500L User Manual 1.4 RSA-1500L Technique Specification Table 1-1 T echnical Specificatio ns Impedance ： ： ： ： 50 Ω Ω Ω Ω No Function S pecificat ion GPS receiver 1 Chipset SiRF S tar III, GS C3f/LP (Digital, RF in a single package) 2 Frequenc y L1 1575.42MH z. 3 Code C.A. Code. 4 Channels 20 parallel 5 Chipset Sensitivit y -159dB[...]

  • Page 8

    7 RSA-1500L User Manual 23 Operating temperature -25 ~ 85 ℃ 24 S tora ge tem perature -40 ~ 85 ℃ 25 Humidity ≦ 95% MMCX edge mount Jack Receptacle specification (External Antenna) Impedance 50ohm Frequenc y range 0~6GHz V .S.W.R 1.2max Working voltage 175V rms m ax Durability 500 mating External Ant enna spec. DC supply 2.85V ± 2% DC current[...]

  • Page 9

    8 RSA-1500L User Manual 1.5 A pplic ation Circuit Figure 1-4 A pplication Circuit Reference Note: (1) Ground Planes: This pin2 should be connect to ground. (2) Serial Interface: ( Ⅰ ) The TXA pin is recommended to connec t to s erial resistance(220 Ω ) and pull up (10K Ω ). It can increase the stability of serial da ta. (Default NMEA) ( Ⅱ ) T[...]

  • Page 10

    9 RSA-1500L User Manual (4) Power: Connect VCC pin to DC 3.3V . The power suppl y must add bypass capacitor(10uF and 1uF).It can reduce the Noise from power supply and increase power stability . (5) GPIO: The GPIOs function are for customer used. If no use GPIO function, it don’t connec t an ything. 1.6 Mechanical Layout Figure 1-5 M echanical La[...]

  • Page 11

    10 RSA-1500L User Manual 1.7 Hardware interface Figure 1-6 Hardw are Interf ace Table 1-2 Definitio n of Pin assignm ent Pin Defined Pin Signal Name I/O Description Characteristics 1 VCC I D C Supply V oltage input DC +3.3V ± 5% 2 GND G Ground Reference Groun d 3 TXA O Serial port A V V V V V OL OH 7 . 0 38 . 2 85 . 2 ≤ ≥ ≥ 4 RXA I Seri al p[...]

  • Page 12

    1 1 RSA-1500L User Manual Definition of Pin assignment VCC(+3.3V DC power Input) This is t he DC power suppl y input pin for GPS system. It provides voltage t o module. GND GND provide s the reference ground. TXA This is the main tra nsmitting channel a nd is used to output naviga tion a nd measureme nt data to SiRFdemo or user wr itten software RX[...]

  • Page 13

    12 RSA-1500L User Manual 2 Soft w are Interfac e 2.1 NMEA V3.0 Protocol Its output signa l level is TTL: 4800 b ps (default), 8 b it data, 1 stop bit and no parit y. It supports the following NM EA-0183 Messages: GGA , GLL, GSA, GS V, RMC and VTG. NMEA Output Messages: the Engine board outputs the following messages as shown in Table 2-1: Table 2-1[...]

  • Page 14

    13 RSA-1500L User Manual Geoid Separation meters Units M meters Age of Diff. Corr . second Null fields when DGPS is not used Diff. Ref. S tation ID 0000 Checksum *18 ＜ CR ＞＜ LF ＞ End of message termination Table 2-3 Position Fi x Indicato rs V alu e Description 0 Fix not avail able or invalid 1 GPS SPS Mode, fix v alid 2 Differe ntial GPS, [...]

  • Page 15

    14 RSA-1500L User Manual 2.1.3 GS A -GNS S DOP and A ct iv e Satellites T able 2-5 contains the valu es of the follo wing exam ple: $GPGSA, A, 3, 07, 02, 2 6, 27, 09, 04, 1 5, , , , , , 1.8,1. 0,1.5*33 Table 2-5 GS A Data Format Name Example Units Description Message ID $GPGSA GSA proto col header Mode 1 A See T able 4-2 Mode 2 3 See T able 4-1 Sat[...]

  • Page 16

    15 RSA-1500L User Manual Table 2-8 GSV Data F orm at Name Example Units Descriptio n Message ID $GPGSV GSV protocol header Number of Messages 1 2 Range 1 to 3 Messages Number 1 1 Range 1 to 3 Satellites in View 07 Satellite ID 07 Channel 1(Range 1 to 32) Elevation 79 degrees Channel 1(Maximum 90) Azimuth 04 8 degrees Channel 1(T rue, Range 0 to 359[...]

  • Page 17

    16 RSA-1500L User Manual Course Over Ground 309.62 degrees T ru e Date 120598 ddmmyy Magnetic V ariation degrees E=east or W =west Mode A A=Au tonomous, D=DGPS, E=DR Checksum *10 2.1.6 VTG-Co urse Over Ground and G round Speed T able 2-10 contains the val ues of the fol lowing exam ple: $GPVTG , 309.62, T , , M, 0.13, N, 0.2, K*6E Table 2-10 VTG Da[...]

  • Page 18

    17 RSA-1500L User Manual 3 Package A. . 3.1 Package Specification Shipment Method: PE Bag Figure 3-1 Packag e Specif ications 4 Contact Informati on Section  Contact: sales@r oyaltek .com  Headquarter: 1071, Chung Che ng Rd., S uite 9F-1,T ao Y uan C ity , T aiwan T el: 886-3-3569666 Fax: 886-3-358 0050  W eb Site: http://www.roya[...]