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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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HT45F5Q bảng dữ liệu(PDF) 64 Page - Holtek Semiconductor Inc |
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HT45F5Q bảng dữ liệu(HTML) 64 Page - Holtek Semiconductor Inc |
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64 / 114 page  Rev. 1.10 �4 De�e��e� 1�� �01� Rev. 1.10 �5 De�e��e� 1�� �01� HT45F5Q Charger Flash MCU HT45F5Q Charger Flash MCU STM0AL 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 STMCCRALowByteRegisterbit7~bit0 STM10-bitCounterbit7~bit0 STM0AH Register 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 STMCCRAHighByteRegisterbit1~bit0 STM10-bitCounterbit9~bit8 Standard Type TM Operating Modes TheStandardTypeTMcanoperateinoneoffiveoperatingmodes,CompareMatchOutputMode, PWMOutputMode,SinglePulseOutputMode,CaptureInputModeorTimer/CounterMode.The operatingmodeisselectedusingtheST0M1andST0M0bitsintheSTM0C1register. Compare Output Mode Toselectthismode,bitsST0M1andST0M0intheSTM0C1register,shouldbesetto00 respectively.Inthismodeoncethecounterisenabledandrunningitcanbeclearedbythree methods.Theseareacounteroverflow,acomparematchfromComparatorAandacomparematch fromComparatorP.WhentheST0CCLRbitislow,therearetwowaysinwhichthecountercanbe cleared.OneiswhenacomparematchfromComparatorP,theotheriswhentheCCRPbitsareall zerowhichallowsthecountertooverflow.HerebothSTMA0FandSTMP0Finterruptrequestflags forComparatorAandComparatorPrespectively,willbothbegenerated. IftheST0CCLRbitintheSTM0C1registerishighthenthecounterwillbeclearedwhenacompare matchoccursfromComparatorA.However,hereonlytheSTMA0Finterruptrequestflagwill begeneratedevenifthevalueoftheCCRPbitsislessthanthatoftheCCRAregisters.Therefore whenST0CCLRishighnoSTMP0Finterruptrequestflagwillbegenerated.IntheCompare MatchOutputMode,theCCRAcannotbesetto“0”.IftheCCRAbitsareallzero,thecounterwill overflowwhenitsreachesitsmaximum10-bit,3FFHex,value,howeverheretheSTMA0Finterrupt requestflagwillnotbegenerated. Asthenameofthemodesuggests,afteracomparisonismade,theSTMoutputpin,willchange state.TheSTMoutputpinconditionhoweveronlychangesstatewhenanSTMA0Finterruptrequest flagisgeneratedafteracomparematchoccursfromComparatorA.TheSTMP0Finterruptrequest flag,generatedfromacomparematchoccursfromComparatorP,willhavenoeffectontheSTM outputpin.ThewayinwhichtheSTMoutputpinchangesstatearedeterminedbytheconditionof theST0IO1andST0IO0bitsintheSTM0C1register.TheSTMoutputpincanbeselectedusing theST0IO1andST0IO0bitstogohigh,togolowortotogglefromitspresentconditionwhena comparematchoccursfromComparatorA.TheinitialconditionoftheSTMoutputpin,whichis setupaftertheST0ONbitchangesfromlowtohigh,issetupusingtheST0OCbit.Notethatifthe ST0IO1andST0IO0bitsarezerothennopinchangewilltakeplace. |
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