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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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HT66F019 Fiches technique(PDF) 92 Page - Holtek Semiconductor Inc |
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HT66F019 Fiches technique(HTML) 92 Page - Holtek Semiconductor Inc |
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92 / 175 page  Rev. 1.00 9� De�e��e� 01� �01� Rev. 1.00 93 De�e��e� 01� �01� HT66F019 A/D Flash MCU with EEPROM HT66F019 A/D Flash MCU with EEPROM Bit3 PTOC:PTMPTPOutputcontrol CompareMatchOutputMode 0:Initiallow 1:Initialhigh PWMOutputMode/SinglePulseOutputMode 0:Activelow 1:Activehigh ThisistheoutputcontrolbitforthePTMoutputpin.Itsoperationdependsupon whetherPTMisbeingusedintheCompareMatchOutputModeorinthePWM OutputMode/SinglePulseOutputMode.IthasnoeffectifthePTMisintheTimer/ CounterMode.IntheCompareMatchOutputModeitdeterminesthelogiclevelof thePTMoutputpinbeforeacomparematchoccurs.InthePWMOutputModeit determinesifthePWMsignalisactivehighoractivelow.IntheSinglePulseOutput ModeitdeterminesthelogiclevelofthePTMoutputpinwhenthePTONbitchanges fromlowtohigh. Bit2 PTPOL:PTMPTPOutputpolaritycontrol 0:Non-invert 1:Invert ThisbitcontrolsthepolarityofthePTPoutputpin.WhenthebitissethighthePTM outputpinwillbeinvertedandnotinvertedwhenthebitiszero.Ithasnoeffectifthe PTMisintheTimer/CounterMode. Bit1 PTCAPTS:PTMCaptureTriigerSourceselection 0:FromPTPpin 1:FromPTCKpin Bit0 PTCCLR:PTMCounterClearconditionselection 0:ComparatorPmatch 1:ComparatorAmatch Thisbitisusedtoselectthemethodwhichclearsthecounter.Rememberthatthe PeriodicTMcontainstwocomparators,ComparatorAandComparatorP,eitherof whichcanbeselectedtocleartheinternalcounter.WiththePTCCLRbitsethigh, thecounterwillbeclearedwhenacomparematchoccursfromtheComparatorA. Whenthebitislow,thecounterwillbeclearedwhenacomparematchoccursfrom theComparatorPorwithacounteroverflow.Acounteroverflowclearingmethodcan onlybeimplementediftheCCRPbitsareallclearedtozero.ThePTCCLRbitisnot usedinthePWMOutput,SinglePulseOutputorCaptureInputMode. • PTMDL Register Bit 7 6 5 4 3 2 1 0 Na�e D� D6 D5 D4 D3 D� D1 D0 R/W R R R R R R R R POR 0 0 0 0 0 0 0 0 Bit7~0 D7~D0:PTMCounterLowByteRegisterbit7~bit0 PTM10-bitCounterbit7~bit0 • PTMDH Register Bit 7 6 5 4 3 2 1 0 Na�e — — — — — — D9 D8 R/W — — — — — — R R POR — — — — — — 0 0 Bit7~2 Unimplemented,readas"0" Bit1~0 D9~D8:PTMCounterHighByteRegisterbit1~bit0 PTM10-bitCounterbit9~bit8 |
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