HT66F005 datasheet(64/109 Pages) HOLTEK

64 / 109 page

Rev. 1.30

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Rev. 1.30

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HT66F005/HT66F006

Cost-Effective A/D Flash MCU with EEPROM

HT66F005/HT66F006

Cost-Effective A/D Flash MCU with EEPROM

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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