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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HT45F3W датащи(PDF) 94 Page - Holtek Semiconductor Inc |
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HT45F3W датащи(HTML) 94 Page - Holtek Semiconductor Inc |
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94 / 167 page  Rev. 1.50 94 De�e��e� 01� �01� Rev. 1.50 95 De�e��e� 01� �01� HT45F3W R-Type Blood Pressure Meter Flash MCU HT45F3W R-Type Blood Pressure Meter Flash MCU TM2AL Register 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:TM2CCRALowByteRegisterbit7~bit0 TM216-bitCCRAbit7~bit0 TM2AH Register Bit 7 6 5 4 3 2 1 0 Na�e D15 D14 D13 D1� D11 D10 D9 D8 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 D15~D8:TM2CCRAHighByteRegisterbit7~bit0 TM216-bitCCRAbit15~bit8 TM2RP Register 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:TM2CCRPRegisterbit7~bit0 TM2CCRP8-bitregister,comparedwiththeTM2Counterbit15~bit8.Comparator PMatchPeriod 0:65536TM2clocks 1~255:256×(1~255)TM2clocks TheseeightbitsareusedtosetupthevalueontheinternalCCRP8-bitregister,which arethencomparedwiththeinternalcounter’shighesteightbits.Theresultofthis comparisoncanbeselectedtocleartheinternalcounteriftheT2CCLRbitissetto zero.SettingtheT2CCLRbittozeroensuresthatacomparematchwiththeCCRP valueswillresettheinternalcounter.AstheCCRPbitsareonlycomparedwiththe highesteightcounterbits,thecomparevaluesexistin256clockcyclemultiples. Clearingalleightbitstozeroisineffectallowingthecountertooverflowatits maximumvalue. Standard Type TM Operating Modes TheStandardTypeTMcanoperateinoneoffiveoperatingmodes,CompareMatchOutputMode, PWMOutputMode,SinglePulseOutputMode,CaptureInputModeorTimer/CounterMode.The operatingmodeisselectedusingtheT2M1andT2M0bitsintheTM2C1register. Compare Output Mode Toselectthismode,bitsT2M1andT2M0intheTM2C1register,shouldbesetto00respectively. Inthismodeoncethecounterisenabledandrunningitcanbeclearedbythreemethods.Theseare acounteroverflow,acomparematchfromComparatorAandacomparematchfromComparatorP. WhentheT2CCLRbitislow,therearetwowaysinwhichthecountercanbecleared.Oneiswhen acomparematchfromComparatorP,theotheriswhentheCCRPbitsareallzerowhichallows thecountertooverflow.HerebothT2AFandT2PFinterruptrequestflagsforComparatorAand ComparatorPrespectively,willbothbegenerated. |
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