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HT45F3830 Datasheet(PDF) 67 Page - Holtek Semiconductor Inc |
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HT45F3830 Datasheet(HTML) 67 Page - Holtek Semiconductor Inc |
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67 / 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 CTOC:CTPOutputcontrolbit CompareMatchOutputMode 0:Initiallow 1:Initialhigh PWMOutputMode 0:Activelow 1:Activehigh ThisistheoutputcontrolbitfortheCTMoutputpin.Itsoperationdependsupon whetherCTMisbeingusedintheCompareMatchOutputModeorinthePWM OutputMode.IthasnoeffectiftheCTMisintheTimer/CounterMode.Inthe CompareMatchOutputModeitdeterminesthelogicleveloftheCTMoutputpin beforeacomparematchoccurs.InthePWMOutputModeitdeterminesifthePWM signalisactivehighoractivelow. Bit2 CTPOL:CTPOutputpolarityControl 0:Non-invert 1:Invert ThisbitcontrolsthepolarityoftheCTPoutputpin.WhenthebitissethightheCTM outputpinwillbeinvertedandnotinvertedwhenthebitiszero.Ithasnoeffectifthe CTMisintheTimer/CounterMode. Bit1 CTDPX:CTMPWMperiod/dutyControl 0:CCRP-period;CCRA-duty 1:CCRP-duty;CCRA-period Thisbit,determineswhichoftheCCRAandCCRPregistersareusedforperiodand dutycontrolofthePWMwaveform. Bit0 CTCCLR:SelectCTMCounterclearcondition 0:CTMComparatrorPmatch 1:CTMComparatrorAmatch Thisbitisusedtoselectthemethodwhichclearsthecounter.RememberthattheCTM containstwocomparators,ComparatorAandComparatorP,eitherofwhichcanbe selectedtocleartheinternalcounter.WiththeCTCCLRbitsethigh,thecounterwill beclearedwhenacomparematchoccursfromtheComparatorA.Whenthebitislow, thecounterwillbeclearedwhenacomparematchoccursfromtheComparatorPor withacounteroverflow.Acounteroverflowclearingmethodcanonlybeimplemented iftheCCRPbitsareallclearedtozero.TheCTCCLRbitisnotusedinthePWM OutputMode. CTMDL 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 CTMCounterLowByteRegisterbit7~bit0 CTM10-bitCounterbit7~bit0 CTMDH 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 CTMCounterHighByteRegisterbit1~bit0 CTM10-bitCounterbit9~bit8 |
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