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HT45F3830 Datasheet(PDF) 77 Page - Holtek Semiconductor Inc |
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HT45F3830 Datasheet(HTML) 77 Page - Holtek Semiconductor Inc |
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77 / 149 page  Rev. 1.10 �� �an�a�� 0�� �01� Rev. 1.10 �� �an�a�� 0�� �01� HT45F3830 Ultrasonic Atomizer Flash MCU HT45F3830 Ultrasonic Atomizer Flash MCU Bit3 STOC:STMOutputcontrolbit CompareMatchOutputMode 0:Initiallow 1:Initialhigh PWMoutputMode/SinglePulseOutputMode 0:Activelow 1:Activehigh ThisistheoutputcontrolbitfortheSTMoutputpin.Itsoperationdependsupon whetherSTMisbeingusedintheCompareMatchOutputModeorinthePWM outputMode/SinglePulseOutputMode.IthasnoeffectiftheSTMisintheTimer/ CounterMode.IntheCompareMatchOutputModeitdeterminesthelogiclevel oftheSTMoutputpinbeforeacomparematchoccurs.InthePWMoutputModeit determinesifthePWMsignalisactivehighoractivelow.IntheSinglePulseOutput ModeitdeterminesthelogicleveloftheSTMoutputpinwhentheSTONbitchanges fromlowtohigh. Bit2 STPOL:STMOutputpolarityControl 0:Non-invert 1:Invert ThisbitcontrolsthepolarityoftheSTMoutputpin.WhenthebitissethightheSTM outputpinwillbeinvertedandnotinvertedwhenthebitiszero.Ithasnoeffectifthe STMisintheTimer/CounterMode. Bit1 STDPX:STMPWMperiod/dutyControl 0:CCRP-period;CCRA-duty 1:CCRP-duty;CCRA-period Thisbit,determineswhichoftheCCRAandCCRPregistersareusedforperiodand dutycontrolofthePWMwaveform. Bit0 STCCLR:SelectSTMCounterclearcondition 0:STMComparatorPmatch 1:STMComparatorAmatch Thisbitisusedtoselectthemethodwhichclearsthecounter.Rememberthatthe StandardTMcontainstwocomparators,ComparatorAandComparatorP,eitherof whichcanbeselectedtocleartheinternalcounter.WiththeSTCCLRbitsethigh, thecounterwillbeclearedwhenacomparematchoccursfromtheComparatorA. Whenthebitislow,thecounterwillbeclearedwhenacomparematchoccursfrom theComparatorPorwithacounteroverflow.Acounteroverflowclearingmethodcan onlybeimplementediftheCCRPbitsareallclearedtozero.TheSTCCLRbitisnot usedinthePWMoutputmode,SinglePulseorInputCaptureMode. STMDL Register Bit 7 6 5 4 3 2 1 0 Name D� D� 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 STMCounterLowByteRegisterbit7~bit0 STM10-bitCounterbit7~bit0 STMDH Register Bit 7 6 5 4 3 2 1 0 Name — — — — — — D9 D8 R/W — — — — — — R R POR — — — — — — 0 0 Bit7~2 Unimplemented,readas"0" Bit1~0 STMCounterHighByteRegisterbit1~bit0 STM10-bitCounterbit9~bit8 |
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