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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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HT45F3W 데이터시트(PDF) 84 Page - Holtek Semiconductor Inc |
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HT45F3W 데이터시트(HTML) 84 Page - Holtek Semiconductor Inc |
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84 / 167 page  Rev. 1.50 84 De�e��e� 01� �01� Rev. 1.50 85 De�e��e� 01� �01� HT45F3W R-Type Blood Pressure Meter Flash MCU HT45F3W R-Type Blood Pressure Meter Flash MCU TMnDH Register (n=0 or 1) Bit 7 6 5 4 3 2 1 0 Na�e — — — — — — D9 D8 R/W — — — — — — R R POR — — — — — — 0 0 Bit7~2 Unimplemented,readas“0” Bit1~0 D9~D8:TMnCounterHighByteRegisterbit1~bit0 TMn10-bitCounterbit9~bit8 TMnAL Register (n=0 or 1) Bit 7 6 5 4 3 2 1 0 Na�e D7 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 or 1) 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, PWMModeorTimer/CounterMode.TheoperatingmodeisselectedusingtheTnM1andTnM0 bitsintheTMnC1register. 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,the counterwilloverflowwhenitsreachesitsmaximum10-bit,3FFHex,value,howeverheretheTnAF interruptrequestflagwillnotbegenerated. |
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