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RSA-1500L User Manual

RSA-1500L User Manual

Version 1.2

2008/01/24

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.

1071, Chung Cheng Rd., Suite 9F-1

Tao Yuan City, Taiwan

Tel: 886-3-3569666

Fax: 886-3-3580050

http://www.royaltek.com/contact

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Summary of Contents for RSA-1500 RSA-1500L

Page 1: ...ose 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 1071 Chung Cheng Rd Suite 9F 1 Tao Yuan City Taiwan Tel 886 3 3569666 Fax 886 3 3580050 http www royaltek com contact ...

Page 2: ...Hardware interface 10 2 Software Interface 12 2 1 NMEA V3 0 Protocol 12 2 1 1 GGA Global Positioning System Fixed Data 12 2 1 2 GLL Geographic Position Latitude Longitude 13 2 1 3 GSA GNSS DOP and Active Satellites 14 2 1 4 GSV GNSS Satellites in View 14 2 1 5 RMC Recommended Minimum Specific GNSS Data 15 2 1 6 VTG Course Over Ground and Ground Speed 16 3 Package 17 3 1 Package Specification 17 4 ...

Page 3: ...re 1 1 RSA 1500L Front View 5 Figure 1 2 RSA 1500L Bottom View 5 Figure 1 3 System Block Diagram 5 Figure 1 4 Application Circuit Reference 8 Figure 1 5 Mechanical Layout 9 Figure 1 6 Hardware Interface 10 Figure 3 1 Package Specifications 17 ...

Page 4: ...assignment 10 Table 2 1 NMEA 0183 Output Messages 12 Table 2 2 GGA Data Format 12 Table 2 3 Position Fix Indicators 13 Table 2 4 GLL Data Format 13 Table 2 5 GSA Data Format 14 Table 2 6 Mode 1 14 Table 2 7 Mode 2 14 Table 2 8 GSV Data Format 15 Table 2 9 RMC Data Format 15 Table 2 10 VTG Data Format 16 ...

Page 5: ...hicle locator The excellent sensitivity of RSA 1500L gets the great performance when going though the urban canyon and foliage Product Features 20 parallel channels Extreme fast TTFF at low signal level Operable from 3 3V 48mA continuous mode Wire to board connector TCXO design 0 1 second reacquisition time Small form factor with embedded SiRF Star III single chip technology NMEA 0183 compliant pr...

Page 6: ...ture RSA 1500L Figure 1 1 RSA 1500L Front View Figure 1 2 RSA 1500L Bottom View 1 3 RSA 1500L System Block Diagram System block diagram description a External antenna b 4 Mega bits flash memory c 6 pin I O pin Figure 1 3 System Block Diagram ...

Page 7: ...n 0 1sec typical 10 Position accuracy 10meters at 2D RMS 11 Maximum altitude 18000 m 12 Maximum velocity 514 m s 13 Trickle power mode 40mA Average 14 Update rate Continuous operation 1Hz 15 Testability It shall be able to be tested by SiRF test IV and single channel simulator 16 Protocol setup It shall store the protocol setup in the SRAM memory 17 DGPS 1 WAAS EGNOS Interface 18 LNA 25dB Gain Typ...

Page 8: ... 95 MMCX edge mount Jack Receptacle specification External Antenna Impedance 50ohm Frequency range 0 6GHz V S W R 1 2max Working voltage 175Vrms max Durability 500 mating External Antenna spec DC supply 2 85V 2 DC current 20mA max Input return Loss 10dB Output return Loss 10dB Gain 25 dB typical ...

Page 9: ... The RXA pin is recommended to connect to serial resistance 220Ω and pull up 10KΩ It can increase the stability of serial data Default NMEA 3 Backup Battery When module is working must to supply VCC pin Pin1 and VBATT pin Pin6 power at the same time It s recommended to connect a backup battery to VBATT pin In order to enable the warm start and hot start features of the GPS receiver If you use back...

Page 10: ...er supply 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 connect anything 1 6 Mechanical Layout Figure 1 5 Mechanical Layout ...

Page 11: ...ion Characteristics 1 VCC I DC Supply Voltage input DC 3 3V 5 2 GND G Ground Reference Ground 3 TXA O Serial port A V V V V V OL OH 7 0 38 2 85 2 4 RXA I Serial port A V V V V V IL IH 86 0 0 3V 0 2 15 3 5 GPIO 1 I O General purpose I O V V V V V IL IH 86 0 0 3V 0 2 15 3 V V V V V OL OH 71 0 14 2 85 2 6 VBATT I Backup voltage supply 10uA Current 3 6V 2 5 DC ...

Page 12: ...re RXA This is the main receiver channel and is used to receive software commands to the board from SIRFdemo software or from user written software VBATT Backup battery When module is working must to supply VCC pin Pin1 and VBATT pin Pin6 power at the same time This is the battery backup input that powers the SRAM and RTC when main power is removed Typical current draw is 10uA The supply voltage s...

Page 13: ...ites GSV GNSS satellites in view RMC Recommended minimum specific GNSS data VTG Course over ground and ground speed 2 1 1 GGA Global Positioning System Fixed Data Table 2 2 contains the values of the following example GPGGA 161229 487 3723 2475 N 12158 3416 W 1 07 1 0 9 0 M 0000 18 Table 2 2 GGA Data Format Name Example Units Description Message ID GPGGA GGA protocol header UTC Position 161229 487...

Page 14: ... fix valid 6 Dead Reckoning Mode fix valid 2 1 2 GLL Geographic Position Latitude Longitude Table 2 4 contains the values of the following Example GPGLL 3723 2475 N 12158 3416 W 161229 487 A 2C Table 2 4 GLL Data Format Name Example Units Description Message ID GPGLL GLL protocol header Latitude 3723 2475 ddmm mmmm N S Indicator N N north or S south Longitude 12158 3416 Dddmm mmmm E W Indicator W ...

Page 15: ... Sv on Channel 12 PDOP 1 8 Position Dilution of Precision HDOP 1 0 Horizontal Dilution of Precision VDOP 1 5 Vertical Dilution of Precision Checksum 33 CR LF End of message termination Table 2 6 Mode 1 Value Description 1 Fix not available 2 2D 3 3D Table 2 7 Mode 2 Value Description M Manual forced to operate in 2D or 3D mode A Automatic allowed to automatically switch 2D 3D 2 1 4 GSV GNSS Satell...

Page 16: ...rue Range 0 to 359 SNR C No 42 dBHz Range 0 to 99 null when not tracking Checksum 71 CR LF End of message termination 1 Depending on the number of satellites tracked multiple messages of GSV data may be required 2 1 5 RMC Recommended Minimum Specific GNSS Data Table 2 9 contains the values of the following example GPRMC 161229 487 A 3723 2475 N 12158 3416 W 0 13 309 62 120598 10 Table 2 9 RMC Data...

Page 17: ...following example GPVTG 309 62 T M 0 13 N 0 2 K 6E Table 2 10 VTG Data Format Name Example Units Description Message ID GPVTG VTG protocol header Course 309 62 degrees Measured heading Reference T True Course degrees Measured heading Reference M Magnetic Speed 0 13 knots Measured horizontal speed Units N Knots Speed 0 2 km hr Measured horizontal speed Units K Kilometer per hour Mode A A Autonomous...

Page 18: ... Tao Yuan City Taiwan Tel 886 3 3569666 Fax 886 3 3580050 Web Site http www royaltek com Web Site Customer Service http www royaltek com contact 5 Revision History Title RSA 1500L GPS Module Doc Type User Manual Revision Number Date Author Change notice 1 0 2007 08 08 Linda Fan Initial Release 1 1 2007 09 21 Linda Fan Current 1 2 2008 01 24 Linda Fan Revised mechanical drawing Copyright 2006 2007 ...

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