AS3933_AppNote_AN04_DesignGuide_EN_v1

–DesignGuideApplicationNote:AS3933-AN04–DesignGuideAS3933-AN04DesignGuide–Designexample..................................................................................................53.1AS3933settings...................................................................................................................53.1.1Carrierfrequency.................................................................................................................53.1.2ClockSource........................................................................................................................53.1.3Frequencydetectiontolerance.............................................................................................63.1.4LowPowerMode.................................................................................................................63.1.5Channelselection.................................................................................................................63.1.6CarrierBurst.........................................................................................................................63.1.7Bitrate..................................................................................................................................73.1.8Envelopedetectortimeconstant..........................................................................................73.1.9Minimumrequiredpreamblelength.....................................................................................73.1.10Patterncorrelation................................................................................................................83.1.11AutomaticTime-Out.............................................................................................................93.1.12ArtificialWake-Up.................................................................................................................93.1.13AutomaticGainControlAGC...............................................................................................93.1.14AntennaDamper................................................................................................................103.2Registersettings................................................................................................................103.3Hardwaredesign................................................................................................................113.3.1Antennatank......................................................................................................................113.3.2Antennatuning...................................................................................................................123.3.3CrystalOscillator................................................................................................................133.4Verifyingthedesign............................................................................................................133.4.1Antennatank......................................................................................................................133.4.2Oscillator............................................................................................................................13RevisionHistoryRevisionDateOwnerDescription1.016.07.2013JRYInitialReleaseAS3933-AN04DesignGuide:LinkbetweenGUIsettingsanddatasheet.Pos.DescriptionRegisterDatasheetTableAEnable/disablechannelR03:1Section8.1.1,8.3,8.108BEnable/disablelowpowermodesR05:4,R47:6Section8.1.1,8.108CChooseclockgeneratorR10,R26Section8.88,26,27,29DCalibrateRCoscillatorR10,R147:0Section8.8.228ABCDEFGHIKLMNOPQRSAS3933-AN04DesignGuide:4Section8.3.28,19FEnvelopedetectortimeconstantR32:0Section8.48,20GDataslicersettingsR17,R27,R35:3,Section8.48,21HDataslicerhysteresissettingsR37:6Section8.48IGainreductionsettingsR43:0Section8.38,18KFrequencydetectortoleranceR21:0Section8.3.18,16,17LSensitivityboostR25Section8.3.18AGCsettingsR16:5Section8.3.18M