RoyalTek RSA-1200L User manual

RSA-1200LUserManual
RSA-1200LXUserManual
Version1.0
2008/04/25
Thisdocument containsinformationhighlyconfidentialtoRoyalTekCompany
LTD (RoyalTek).Itisprovidedforthe solepurposeofthebusiness discussions
between supplierandRoyalTekand iscoveredunderthetermsofthe
applicableNon-DisclosureAgreements.Disclosureof thisinformation toother
partiesisprohibitedwithoutthewritten consent of RoyalTek.
PreparedbyRoyalTekCompanyLTD.
4F, 188, Wen Hwa2nd Rd.,KueiShan.
TaoYuan33377,Taiwan
TEL:[phone]
FAX: [phone]
http://www.royaltek.com/contact
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RSA-1200LUserManual
FigureList.......................................................................................................................................II
TableList........................................................................................................................................III
1Introduction...........................................................................................................................4
1.1Productapplications..........................................................................................4
1.2ProductPicture...................................................................................................5
1.3RSA-1200LX SystemBlockDiagram..............................................................5
1.4RSA-1200LX Technique Specification............................................................6
1.5Application Circuit.............................................................................................8
1.6Mechanical Layout.............................................................................................9
1.7Hardwareinterface...........................................................................................10
2SoftwareInterface...............................................................................................................12
2.1NMEAV3.0Protocol.........................................................................................12
2.1.1GGA-GlobalPositioning SystemFixed Data......................................12
2.1.2GLL-GeographicPosition Latitude/Longitude.................................13
2.1.3GSA-GNSSDOPandActive Satellites.................................................14
2.1.4GSV-GNSS Satellites inView.................................................................14
2.1.5RMC-RecommendedMinimumSpecificGNSSData.........................15
2.1.6VTG-CourseOverGround andGroundSpeed...................................16
3Package................................................................................................................................17
3.1PackageSpecification.....................................................................................17
4Contact Information Section.............................................................................................17
5Revision History.................................................................................................................17
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RSA-1200LUserManual
FigureList
Figure1-1RSA-1200LXFrontView..........................................................................5
Figure1-2RSA-1200LXBottomView.......................................................................5
Figure1-3SystemBlockDiagram............................................................................5
Figure1-4Application Circuit Reference................................................................8
Figure1-5Mechanical Layout...................................................................................9
Figure1-6HardwareInterface.................................................................................10
Figure3-1PackageSpecifications.........................................................................17
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RSA-1200LUserManual
TableList
Table1-1TechnicalSpecifications...........................................................................6
Table1-2Definition of Pinassignment..................................................................10
Table2-1NMEA-0183 OutputMessages................................................................12
Table2-2GGA DataFormat.....................................................................................12
Table2-3Position FixIndicators............................................................................13
Table2-4GLLDataFormat......................................................................................13
Table2-5GSADataFormat......................................................................................14
Table2-6Mode1........................................................................................................14
Table2-7Mode2........................................................................................................14
Table2-8GSVDataFormat......................................................................................15
Table2-9RMCDataFormat.....................................................................................15
Table2-10VTG DataFormat....................................................................................16
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RSA-1200LUserManual
1Introduction
RoyalTekRSA-1200LXlowpowerandsmallformfactorboardisthe newest
generation ofRoyalTeksmart antennaGPS module. The smartantenna GPS module
ispowered bySiRFStarIII technologyand RoyalTekproprietarynavigation algorithm
thatproviding you morestable navigation data.Paralleldesign isthe majornew
featureofRSA-1200LX.
The smallestformfactorand paralleldesign is thebestchoicetobe embeddedina
portabledeviceand receiverlikePND,mobile phone,carholder,personallocator,
digitalcameraand vehicle locator.TheexcellentsensitivityofRSA-1200LXgetsthe
great performancewhen going thoughthe urban canyon and foliage
ProductFeatures
²20 parallelchannels
²Extremefast TTFF at lowsignallevel
²Operable from3.3V/48mAcontinuousmode.
²Wiretoboardconnector
²TCXOdesign
²0.1secondreacquisition time
²Smallformfactorwithembedded SiRFStarIII single chiptechnology.
²NMEA-0183 compliant protocol/customprotocol.
²4MbitsFlashMemory
²Enhancedalgorithmfornavigation stability
²Excellentsensitiveforurban canyon and foliage environments.
²SBAS (WAAS, EGNOSandMSAS)support
²AutorecoverywhileRTCcrashes
²Tricklepowersupported
1.1 Productapplications
²Automotivenavigation
²Personal positioning and navigation
²Marine navigation
²Timing application
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RSA-1200LUserManual
1.2ProductPicture
RSA-1200LX
Figure1-1RSA-1200LX FrontView
Figure1-2RSA-1200LX BottomView
1.3RSA-1200LXSystemBlock Diagram
Systemblockdiagramdescription:
a.Externalantenna.
b.4Mega bitsflashmemory
c.6pinI/Opin
Figure1-3SystemBlockDiagram
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RSA-1200LUserManual
1.4RSA-1200LXTechniqueSpecification
Table1-1Technical Specifications
Impedance 50Ω
NoFunction Specification
GPS receiver
1Chipset SiRF Star III,GSC3f/LPX
(Digital, RFinasinglepackage)
2FrequencyL11575.42MHz.
3CodeC.A.Code.
4Channels20parallel
5ChipsetSensitivity-159dBm
6Coldstart35sec@open sky
7Warmstart35sec@open sky
8Hotstart1sec@opensky
9Reacquisition0.1sectypical
10Positionaccuracy10meters at 2DRMS.
11Maximumaltitude18000m
12Maximumvelocity514m/s
1Tricklepower mode 40mA@AverageTBD
2UpdaterateContinuousoperation:1Hz
3TestabilityIt shall beabletobe testedbySiRF testIVandsinglechannel
simulator.
4ProtocolsetupIt shall storetheprotocolsetupinthe SRAMmemory.
17DGPS1.WAAS,EGNOS
Interface
18LNA25dBGain. (Typical)
19I/OPin6pin
Mechanical requirements
20Weight8gTyp.
Powerconsumption
21VccDC +3.3V 5%
22Current GPS :
AvgAcquisition <[e-mail]
AvgTracking <48mA@3.3V withoutext.Antenna
Environment
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RSA-1200LUserManual
23 Operating
temperature
-25 ~85℃
24 Storagetemperature-40 ~85
25 Humidity ≦95%
MMCXedgemountJackReceptaclespecification (ExternalAntenna)
Impedance50ohm
Frequencyrange 0~6GHz
V.S.W.R1.2max
Workingvoltage175Vrmsmax
Durability500mating
ExternalAntennaspec.
DC supply 2.85V±2%
DC current20mAmax.
InputreturnLoss ≦-10dB
Output returnLoss ≦-10dB
Gain 25 dBtypical
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RSA-1200LUserManual
1.5ApplicationCircuit
Figure1-4ApplicationCircuitReference
Note:
(1) GroundPlanes:
This pin2shouldbeconnecttoground.
(2) SerialInterface:
(Ⅰ)TheTXApin is recommended to connecttoserialresistance(220Ω)
and pull up(10KΩ). Itcanincreasethestabilityofserialdata.(Default
NMEA)
(Ⅱ)TheRXApin isrecommendedto connectto serialresistance(220Ω)
and pull up(10KΩ). Itcanincreasethestabilityofserialdata.(Default
NMEA)
(3) BackupBattery:
Whenmoduleis working,mustto supply VCCpin(Pin1)and VBATT
pin(Pin6)power atthesametime.
It srecommended toconnectabackup batteryto VBATTpin.
Inorderto enablethewarmstartand hotstartfeaturesoftheGPS receiver.
Ifyouusebackupbattery,should beadd abypassingcapacitor(10uF)at
VBATTpin.Itcanreducenoiseandincreasethestability.
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RSA-1200LUserManual
(4) Power:
ConnectVCC pin toDC3.3V. Thepower supplymustadd bypass
capacitor(10uFand 1uF).ItcanreducetheNoisefrompowersupply and
increasepower stability.
(5) GPIO:
TheGPIOs functionareforcustomer used.
IfnouseGPIOfunction, it don tconnectanything.
1.6 MechanicalLayout
Figure1-5MechanicalLayout
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RSA-1200LUserManual
1.7Hardwareinterface
Figure1-6HardwareInterface
Table1-2Definition of Pinassignment
PinDefined
Pin SignalNameI/O DescriptionCharacteristics
1VCCIDC Supply
Voltageinput
DC+3.3V±5%
2GNDGGround ReferenceGround
3TXAOSerial port A VVVVV OLOH 7.038.285.2 ≤≥≥
4RXA ISerial port A VVVVV ILIH 86.00.3V-0.215.3 ≤≤≥≥
5GPIO-1I/O General
purposeI/O
VVVVV ILIH 86.00.3V-0.215.3 ≤≤≥≥
VVVVV OLOH 71.014.285.2 ≤≥≥
6VBATTIBackup voltage
supply 10uACurrent
3.6V~2.5DC ≤
+
+
RSA-1200LX
TopView
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RSA-1200LUserManual
Definition ofPinassignment
VCC(+3.3VDCpowerInput)
ThisistheDCpowersupplyinputpinforGPSsystem.Itprovidesvoltageto
module.
GND
GND providesthereferenceground.
TXA
This isthemaintransmitting channelandisusedtooutputnavigation and
measurementdatatoSiRFdemo oruserwritten software
RXA
This isthemainreceiverchanneland isusedtoreceivesoftware commandsto
theboard fromSIRFdemosoftwareorfromuserwrittensoftware.
VBATT(Backup battery)
When moduleis working, musttosupply VCCpin(Pin1)and VBATT pin(Pin6)
power atthesametime.
This isthebatterybackupinputthatpowerstheSRAMandRTCwhenmain
power isremoved.Typicalcurrentdraw is 10uA.
The supplyvoltageshouldbebetween 2.5Vand3.6V.
GPIOFunctions
2 SeveralI/Os areconnectedtothedigitalinterfaceconnectorforcustom
applications.
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RSA-1200LUserManual
Software Interface
2.1NMEAV3.0Protocol
Itsoutput signallevelisTTL:4800bps(default), 8bitdata,1stop bitand noparity.It supports
thefollowing NMEA-0183
Messages:GGA, GLL, GSA, GSV,RMCandVTG.
NMEAOutputMessages:the Engineboardoutputsthefollowingmessages as showninTable
2-1:
Table2-1NMEA-0183Output Messages
NMEARecordDescription
GGAGlobal positioningsystem fixeddata
GLL Geographicposition –latitude/longitude
GSAGNSSDOPandactivesatellites
GSVGNSSsatellitesinview
RMCRecommendedminimumspecificGNSSdata
VTGCourseovergroundandgroundspeed
2.1.1GGA-GlobalPositioning SystemFixed Data
Table2-2containsthe valuesof thefollowing example:
$GPGGA,161229.487, 3723.2475,N, 12158.3416,W, 1, 07, 1.0,9.0, M,,, ,0000*18
Table2-2GGADataFormat
NameExample UnitsDescription
Message ID$GPGGA GGAprotocol header
UTCPosition161229.487 hhmmss.sss
Latitude 3723.2475 ddmm.mmmm
N/SIndicatorNN=northor S=south
Longitude12158.3416 Dddmm.mmmm
E/WIndicatorWE=eastorW=west
PositionFixIndicator1SeeTable2-1
SatellitesUsed07Range0to12
HDOP1.0HorizontalDilutionofPrecision
MSLAltitude9.0meters
UnitsMmeters
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RSA-1200LUserManual
GeoidSeparationmeters
UnitsMmeters
AgeofDiff.Corr.second Null fieldswhenDGPS isnot
used
Diff. Ref. StationID0000
Checksum*18
＜CR＞＜LF＞Endof messagetermination
Table2-3PositionFixIndicators
ValueDescription
0Fixnotavailableorinvalid
1GPSSPSMode,fixvalid
2Differential GPS,SPSMode,fixvalid
3-5NotSupported GPSPPSMode, fixvalid
6Dead ReckoningMode,fixvalid
2.1.2GLL-GeographicPosition Latitude/Longitude
Table2-4containsthe valuesof thefollowing
Example: $GPGLL,3723.2475,N,12158.3416,W,161229.487,A*2C
Table2-4GLLDataFormat
NameExample Units Description
Message ID$GPGLL GLLprotocolheader
Latitude 3723.2475 ddmm.mmmm
N/SIndicatorNN=northorS=south
Longitude12158.3416 Dddmm.mmmm
E/WIndicatorWE=east orW=west
UTCPosition161229.487 hhmmss.ss
Status AA=datavalidorV=datanot valid
ModeAA=Autonomous, D=DGPS,E=DR
Checksum*2C
＜CR＞＜LF＞Endofmessage termination
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RSA-1200LUserManual
2.1.3GSA-GNSSDOPandActive Satellites
Table2-5containsthevaluesofthe following example:
$GPGSA,A, 3,07,02, 26, 27, 09, 04,15,,,, , , 1.8,1.0,1.5*33
Table2-5GSADataFormat
NameExample Units Description
Message ID$GPGSA GSAprotocol header
Mode1ASee Table4-2
Mode23See Table4-1
SatelliteUsed07 SvonChannel 1
SatelliteUsed02 SvonChannel 2
….….
SatelliteUsedSvonChannel 12
PDOP1.8PositionDilutionof Precision
HDOP1.0HorizontalDilutionofPrecision
VDOP1.5Vertical Dilutionof Precision
Checksum*33
＜CR＞＜LF＞Endofmessage termination
Table2-6Mode1
ValueDescription
1Fixnotavailable
22D
33D
Table2-7Mode2
ValueDescription
MManual-forced tooperatein2D or3Dmode
AAutomatic-allowedtoautomaticallyswitch 2D/3D
2.1.4GSV-GNSSSatellites inView
Table2-8containsthe valuesof thefollowing example:
$GPGSV, 2, 1,07,07, 79, 048,42, 02, 51, 062, 43, 26, 36, 256, 42, 27,27,138,
42*71$GPGSV,2, 2, 07,09,23,313,42,04,19, 159,41,15, 12, 041,42*41
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RSA-1200LUserManual
Table2-8GSV DataFormat
NameExample UnitsDescription
Message ID$GPGSV GSVprotocol header
Numberof
Messages1
2Range 1to3
Messages Number1 1Range 1to3
SatellitesinView07
SatelliteID07Channel 1(Range1to32)
Elevation79degrees Channel 1(Maximum90)
Azimuth048degrees Channel 1(True, Range 0to359)
SNR(C/No)42dBHzRange 0to99,null whennot
tracking
….….
SatelliteID27Channel 4(Range1to32)
Elevation27degrees Channel 4(Maximum90)
Azimuth138degrees Channel 4(True, Range 0to359)
SNR(C/No)42dBHzRange 0to99,null whennot
tracking
Checksum*71
＜CR＞＜LF＞Endofmessage termination
1Dependingonthenumberof satellitestrackedmultiplemessagesof GSV datamayberequired.
2.1.5RMC-RecommendedMinimumSpecificGNSSData
Table2-9containsthe valuesof thefollowing example:
$GPRMC, 161229.487,A, 3723.2475,N, 12158.3416,W,0.13,309.62, 120598, ,*10
Table2-9RMCDataFormat
NameExampleUnitsDescription
Message ID$GPRMCRMCprotocolheader
UTCPosition161229.487 hhmmss.sss
Status AA=datavalidor V=datanotvalid
Latitude 3723.2475 ddmm.mmmm
N/SIndicatorNN=northor S=south
Longitude12158.3416 dddmm.mmmm
E/WIndicatorWE=eastor W=west
Speed Over Ground 0.13 knots
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RSA-1200LUserManual
Course Over
Ground
309.62degrees True
Date120598ddmmyy
MagneticVariation degrees E=east or W=west
ModeAA=Autonomous, D=DGPS,E=DR
Checksum*10
2.1.6VTG-CourseOverGround andGroundSpeed
Table2-10 containsthevaluesofthefollowingexample:
$GPVTG,309.62,T,,M,0.13, N, 0.2,K*6E
Table2-10 VTGDataFormat
NameExample UnitsDescription
Message ID$GPVTG VTG protocol header
Course 309.62degrees Measured heading
Reference TTrue
Course degrees Measured heading
Reference MMagnetic
Speed 0.13 knotsMeasured horizontalspeed
UnitsNKnots
Speed 0.2km/hrMeasured horizontalspeed
UnitsKKilometerper hour
ModeAA=Autonomous,D=DGPS, E=DR
Checksum*6E
＜CR＞＜LF＞Endof messagetermination
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RSA-1200LUser Manual
3Package
A. .
3.1PackageSpecification
ShipmentMethod: PEBag
Figure3-1PackageSpecifications
4ContactInformationSection
Contact: [e-mail]
Headquarter:
4F,188, WenHwa2nd Rd.,Kuei Shan.
TaoYuan33377,Taiwan
TEL:[phone]
FAX: [phone]
Web Site: http://www.royaltek.com
Web SiteCustomer Service: http://www.royaltek.com/contact
5RevisionHistory
TitleRSA-1200LX GPSModule
DocType UserManual
Revision
Number DateAuthorChangenotice
1.02008/04/25LindaFanInitial Release
Copyright ©2006-2007, RoyalTekCompanyLtd.
格式化:德文 (德國)
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