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HT68F005 Datasheet(PDF) 61 Page - Holtek Semiconductor Inc |
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HT68F005 Datasheet(HTML) 61 Page - Holtek Semiconductor Inc |
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61 / 93 page  Rev. 1.00 60 ��to�e� ��� �01� Rev. 1.00 61 ��to�e� ��� �01� HT68F005/HT68F006 Enhanced I/O Flash Type MCU HT68F005/HT68F006 Enhanced I/O Flash Type MCU Bit3 TnOC:TPn_0,TPn_1Outputcontrolbit CompareMatchOutputMode 0:Initiallow 1:Initialhigh PWMMode 0:Activelow 1:Activehigh ThisistheoutputcontrolbitfortheTMoutputpin.Itsoperationdependsuponwhether TMisbeingusedintheCompareMatchOutputModeorinthePWMMode.Ithasno effectiftheTMisintheTimer/CounterMode.IntheCompareMatchOutputModeit determinesthelogiclevelofheTMoutputpinbeforeacomparematchoccurs.Inthe PWMModeitdeterminesifthePWMsignalisactivehighoractivelow. Bit2 TnPOL:TPn_0,TPn_1OutputpolarityControl 0:Non-invert 1:Invert ThisbitcontrolsthepolarityoftheTPn_0orTPn_1outputpin.Whenthebitisset hightheTMoutputpinwillbeinvertedandnotinvertedwhenthebitiszero.Ithasno effectiftheTMisintheTimer/CounterMode. Bit1 TnDPX:TMnPWMperiod/dutyControl 0:CCRP-period;CCRA-duty 1:CCRP-duty;CCRA-period Thisbit,determineswhichoftheCCRAandCCRPregistersareusedforperiodand dutycontrolofthePWMwaveform. Bit0 TnCCLR:SelectTMnCounterclearcondition 0:TMnComparatorPmatch 1:TMnComparatorAmatch Thisbitisusedtoselectthemethodwhichclearsthecounter.Rememberthatthe CompactTMcontainstwocomparators,ComparatorAandComparatorP,eitherof whichcanbeselectedtocleartheinternalcounter.WiththeTnCCLRbitsethigh, thecounterwillbeclearedwhenacomparematchoccursfromtheComparatorA. Whenthebitislow,thecounterwillbeclearedwhenacomparematchoccursfrom theComparatorPorwithacounteroverflow.Acounteroverflowclearingmethodcan onlybeimplementediftheCCRPbitsareallclearedtozero.TheTnCCLRbitisnot usedinthePWMMode. |
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