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HT66F019 Datasheet(PDF) 78 Page - Holtek Semiconductor Inc |
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HT66F019 Datasheet(HTML) 78 Page - Holtek Semiconductor Inc |
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78 / 175 page  Rev. 1.00 �8 De�e��e� 01� �01� Rev. 1.00 �9 De�e��e� 01� �01� HT66F019 A/D Flash MCU with EEPROM HT66F019 A/D Flash MCU with EEPROM Bit3 STOC:STMSTPOutputcontrol CompareMatchOutputMode 0:Initiallow 1:Initialhigh PWMOutputMode/SinglePulseOutputMode 0:Activelow 1:Activehigh ThisistheoutputcontrolbitfortheSTMoutputpin.Itsoperationdependsupon whetherSTMisbeingusedintheCompareMatchOutputModeorinthePWM OutputMode/SinglePulseOutputMode.IthasnoeffectiftheSTMisintheTimer/ CounterMode.IntheCompareMatchOutputModeitdeterminesthelogiclevelof theSTMoutputpinbeforeacomparematchoccurs.InthePWMOutputModeit determinesifthePWMsignalisactivehighoractivelow.IntheSinglePulseOutput ModeitdeterminesthelogicleveloftheSTMoutputpinwhentheSTONbitchanges fromlowtohigh. Bit2 STPOL:STMSTPOutputpolaritycontrol 0:Non-invert 1:Invert ThisbitcontrolsthepolarityoftheSTPoutputpin.WhenthebitissethightheSTM outputpinwillbeinvertedandnotinvertedwhenthebitiszero.Ithasnoeffectifthe STMisintheTimer/CounterMode. Bit1 STDPX:STMPWMduty/periodcontrol 0:CCRP–period;CCRA–duty 1:CCRP–duty;CCRA–period ThisbitdetermineswhichoftheCCRAandCCRPregistersareusedforperiodand dutycontrolofthePWMwaveform. Bit0 STCCLR:STMCounterClearconditionselection 0:ComparatorPmatch 1:ComparatorAmatch Thisbitisusedtoselectthemethodwhichclearsthecounter.Rememberthatthe StandardtypeTMcontainstwocomparators,ComparatorAandComparatorP,either ofwhichcanbeselectedtocleartheinternalcounter.WiththeSTCCLRbitsethigh, thecounterwillbeclearedwhenacomparematchoccursfromtheComparatorA. Whenthebitislow,thecounterwillbeclearedwhenacomparematchoccursfrom theComparatorPorwithacounteroverflow.Acounteroverflowclearingmethodcan onlybeimplementediftheCCRPbitsareallclearedtozero.TheSTCCLRbitisnot usedinthePWMOutputMode,SinglePulseOutputModeorCaptureInputMode. • STMDL 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:STMCounterLowByteRegisterbit7~bit0 STM16-bitCounterbit7~bit0 • STMDH Register Bit 7 6 5 4 3 2 1 0 Na�e D15 D14 D13 D1� D11 D10 D9 D8 R/W R R R R R R R R POR 0 0 0 0 0 0 0 0 Bit7~0 D15~D8:STMCounterHighByteRegisterbit7~bit0 STM16-bitCounterbit15~bit8 |
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