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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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HT67F5652 bảng dữ liệu(PDF) 84 Page - Holtek Semiconductor Inc |
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HT67F5652 bảng dữ liệu(HTML) 84 Page - Holtek Semiconductor Inc |
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84 / 224 page  Rev. 1.00 84 De�e��e� 0�� �01� Rev. 1.00 85 De�e��e� 0�� �01� HT67F5652 24-Bit Delta Sigma A/D + LCD Flash MCU HT67F5652 24-Bit Delta Sigma A/D + LCD Flash MCU • TMnAL Register (n=0) Bit 7 6 5 4 3 2 1 0 Na�e D� D� D5 D4 D3 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:TMnCCRALowByteRegisterbit7~bit0 TMn10-bitCCRAbit7~bit0 • TMnAH Register (n=0) 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:TMnCCRAHighByteRegisterbit1~bit0 TMn10-bitCCRAbit9~bit8 Compact Type TM Operating Modes TheCompactTypeTMcanoperateinoneofthreeoperatingmodes,CompareMatchOutputMode, PWMOutputModeorTimer/CounterMode.TheoperatingmodeisselectedusingtheTnM1and TnM0bitsintheTMnC1register. Compare Match Output Mode Toselectthismode,bitsTnM1andTnM0intheTMnC1register,shouldbesetto00respectively. Inthismodeoncethecounterisenabledandrunningitcanbeclearedbythreemethods.Theseare acounteroverflow,acomparematchfromComparatorAandacomparematchfromComparatorP. WhentheTnCCLRbitislow,therearetwowaysinwhichthecountercanbecleared.Oneiswhen acomparematchoccursfromComparatorP,theotheriswhentheCCRPbitsareallzerowhich allowsthecountertooverflow.HerebothTnAFandTnPFinterruptrequestflagsfortheComparator AandComparatorPrespectively,willbothbegenerated. IftheTnCCLRbitintheTMnC1registerishighthenthecounterwillbeclearedwhenacompare matchoccursfromComparatorA.However,hereonlytheTnAFinterruptrequestflagwillbe generatedevenifthevalueoftheCCRPbitsislessthanthatoftheCCRAregisters.Thereforewhen TnCCLRishighnoTnPFinterruptrequestflagwillbegenerated. IftheCCRAbitsareallzero,thecounterwilloverflowwhenitreachesitsmaximum10-bit,3FF Hex,value,howeverheretheTnAFinterruptrequestflagwillnotbegenerated. Asthenameofthemodesuggests,afteracomparisonismade,theTMoutputpinwillchange state.TheTMoutputpinconditionhoweveronlychangesstatewhenaTnAFinterruptrequestflag isgeneratedafteracomparematchoccursfromComparatorA.TheTnPFinterruptrequestflag, generatedfromacomparematchoccursfromComparatorP,willhavenoeffectontheTMoutput pin.ThewayinwhichtheTMoutputpinchangesstatearedeterminedbytheconditionofthe TnIO1andTnIO0bitsintheTMnC1register.TheTMoutputpincanbeselectedusingtheTnIO1 andTnIO0bitstogohigh,togolowortotogglefromitspresentconditionwhenacomparematch occursfromComparatorA.TheinitialconditionoftheTMoutputpin,whichissetupafterthe TnONbitchangesfromlowtohigh,issetupusingtheTnOCbit.NotethatiftheTnIO1andTnIO0 bitsarezerothennopinchangewilltakeplace. |
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