TI芯片TRF796x模块固件描述

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1、ApplicationReportSLOA134–March2009FirmwareDescriptionoftheTITRF796xEvaluationModule(EVM)ShreHarshaRao..............................................................................................................................ABSTRACTThisapplicationnotediscu

2、ssesthefirmwareimplementedintheMSP430F2370(a16-bitultra-lowpowermicrocontrollerfromtheTIMSP430family)usedwithTexasInstruments’TRF796x,afullyintegrated13.56MHzradiofrequencyidentification(RFID)analogfrontendanddataframingreadersystem.Thisdocumentisdesignedforu

3、sebycustomerswhoareexperiencedwithRadioFrequencyIdentificationDevices(RFID)andfirmwaredevelopmentandwanttodeveloptheirownapplicationusingtheTRF796x.ThisreferenceguideshouldbeusedinconjunctionwiththeISO15693,ISO14443A/Bstandards,whichspecifythestandardprotocol

4、,commandsandotherparametersrequiredforcommunicationbetweenthetransponderandthereader.Contents1AbbreviatedTerms.................................................................................32Introduction......................................................

5、....................................33BasicProgramFlow................................................................................43.1StackManipulation........................................................................44InteruptHandlerRoutine........

6、...................................................................75Anti-CollisionSequences.........................................................................125.1Anti-CollisionSequenceforISO15693................................................125.2Ant

7、i-CollisionSequenceforISO14443A..............................................155.3Anti-CollisionSequenceforISO14443B..............................................185.4Anti-collisionSequenceforTag-it™...................................................196Graphi

8、calUserInterface.........................................................................227FIFO...........................................................................................