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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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HT45F5R 데이터시트(PDF) 82 Page - Holtek Semiconductor Inc |
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HT45F5R 데이터시트(HTML) 82 Page - Holtek Semiconductor Inc |
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82 / 138 page  Rev. 1.10 8� De�e��e� 1�� �01� Rev. 1.10 8� De�e��e� 1�� �01� HT45F5R Charger ASSP Flash MCU HT45F5R Charger ASSP Flash MCU PTMnRPL Register Bit 7 6 5 4 3 2 1 0 Na�e D7 D� D5 D4 D� D� D1 D0 R/W R/W R/W R/W R/W R/W R/W R/W R/W POR 0 0 0 0 0 0 0 0 Bit7~0 D7~D0:PTMnCCRPlowbyteregisterbit7~bit0 PTMn10-bitCCRPbit7~bit0 PTMnRPH Register Bit 7 6 5 4 3 2 1 0 Na�e — — — — — — D9 D8 R/W — — — — — — R/W R/W POR — — — — — — 0 0 Bit7~2 Unimplemented,readas"0" Bit1~0 D9~D8:PTMnCCRPhighbyteregisterbit1~bit0 PTMn10-bitCCRPbit9~bit8 Periodic Type TM Operating Modes TheStandardTypeTMcanoperateinoneoffiveoperatingmodes,CompareMatchOutputMode, PWMOutputMode,SinglePulseOutputMode,CaptureInputModeorTimer/CounterMode.The operatingmodeisselectedusingthePTnM1andPTnM0bitsinthePTMnC1register. Compare Output Mode Toselectthismode,bitsPTnM1andPTnM0inthePTMnC1register,shouldbesetto00 respectively.Inthismodeoncethecounterisenabledandrunningitcanbeclearedbythree methods.Theseareacounteroverflow,acomparematchfromComparatorAandacomparematch fromComparatorP.WhenthePTnCCLRbitislow,therearetwowaysinwhichthecountercanbe cleared.OneiswhenacomparematchfromComparatorP,theotheriswhentheCCRPbitsareall zerowhichallowsthecountertooverflow.HerebothPTMnAFandPTMnPFinterruptrequestflags forComparatorAandComparatorPrespectively,willbothbegenerated. IfthePTnCCLRbitinthePTMnC1registerishighthenthecounterwillbeclearedwhenacompare matchoccursfromComparatorA.However,hereonlythePTMnAFinterruptrequestflagwill begeneratedevenifthevalueoftheCCRPbitsislessthanthatoftheCCRAregisters.Therefore whenPTnCCLRishighnoPTMnPFinterruptrequestflagwillbegenerated.IntheCompareMatch OutputMode,theCCRAcannotbeclearedtozero. IftheCCRAbitsareallzero,thecounterwilloverflowwhenitsreachesitsmaximum10-bit,3FF Hex,value,howeverherethePTMnAFinterruptrequestflagwillnotbegenerated. Asthenameofthemodesuggests,afteracomparisonismade,thePTMnoutputpin,willchange state.ThePTMnoutputpinconditionhoweveronlychangesstatewhenaPTMnAFinterruptrequest flagisgeneratedafteracomparematchoccursfromComparatorA.ThePTMnPFinterruptrequest flag,generatedfromacomparematchoccursfromComparatorP,willhavenoeffectonthePTMn outputpin.ThewayinwhichthePTMnoutputpinchangesstatearedeterminedbytheconditionof thePTnIO1andPTnIO0bitsinthePTMnC1register.ThePTMnoutputpincanbeselectedusing thePTnIO1andPTnIO0bitstogohigh,togolowortotogglefromitspresentconditionwhena comparematchoccursfromComparatorA.TheinitialconditionofthePTMnoutputpin,whichis setupafterthePTnONbitchangesfromlowtohigh,issetupusingthePTnOCbit.Notethatifthe PTnIO1andPTnIO0bitsarezerothennopinchangewilltakeplace. |
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