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时间: 2019-12-24 23:34
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Abstract:Thisapplicationnoteexplainshowtouseamicroprocessor'sUARTtoimplementa1-Wire®busmaster.Itincludesanexplanationoftherequiredelectricalinterface,UARTconfiguration,andtimingrelationshipbetweenUARTand1-Wiresignals.TheflexibilityofferedinsettingupUARTbytetimingallowsstraightforwardimplementationof1-Wiretimeslotsaswellastheresetandpresencedetectpulses.WiththeinclusionofdeeptransmitandreceiveFIFOs,severalbytevaluescanbetransferredonthe1-Wirebuswithjustafewclockcyclesperbitrequiredfromthemainprocessor.UsingaUARTtoImplementa1-WireBusMasterSep10,2002Abstract:Thisapplicationnoteexplainshowtouseamicroprocessor'sUARTtoimplementa1-Wirebusmaster.Itincludesanexplanationoftherequiredelectricalinterface,UARTconfiguration,andtimingrelationshipbetweenUARTand1-Wiresignals.TheflexibilityofferedinsettingupUARTbytetimingallowsstraightforwardimplementationof1-Wiretimeslotsaswellastheresetandpresencedetectpulses.WiththeinclusionofdeeptransmitandreceiveFIFOs,severalbytevaluescanbetransferredonthe1-Wirebuswithjustafewclockcyclesperbitrequiredfromthemainprocessor.Introduction1-Wiredevicesprovideeconomicalsolutionsforidentification,memory,timekeeping,measurementandcontrol.The1-Wiredata……