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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HT45F75 датащи(PDF) 72 Page - Holtek Semiconductor Inc |
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HT45F75 датащи(HTML) 72 Page - Holtek Semiconductor Inc |
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72 / 190 page  Rev. 1.10 7� De�e��e� 1�� �01� Rev. 1.10 73 De�e��e� 1�� �01� HT45F75 Body Fat Scale Flash MCU HT45F75 Body Fat Scale Flash MCU TM Interrupts TheCompactTypeandPeriodicTypeTMseachhavetwointernalinterrupts,oneforeachofthe internalcomparatorAorcomparatorP,whichgenerateaTMinterruptwhenacomparematch conditionoccurs.WhenaTMinterruptisgenerateditcanbeusedtoclearthecounterandalsoto changethestateoftheTMoutputpin. TM External Pins EachoftheTMs,irrespectiveofwhattype,hasoneTMinputpin,withthelabelTCKn.TheTM inputpinisessentiallyaclocksourcefortheTMandisselectedusingtheTnCK2~TnCK0bitsin theTMnC0/PTMnC0register.ThisexternalTMinputpinallowsanexternalclocksourcetodrive theinternalTM.ThisexternalTMinputpinissharedwithotherfunctionsbutwillbeconnectedto theinternalTMifselectedusingtheTnCK2~TnCK0bits.TheTMinputpincanbechosentohave eitherarisingorfallingactiveedge. TheTMseachhavetwooutputpinswiththelabelTPn_0andTPn_1.WhentheTMisinthe CompareMatchOutputMode,thesepinscanbecontrolledbytheTMtoswitchtoahighorlow levelortotogglewhenacomparematchsituationoccurs.TheexternalTPnoutputpinisalsothe pinwheretheTMgeneratesthePWMoutputwaveform.AstheTMoutputpinsarepin-sharedwith otherfunction,theTMoutputfunctionmustfirstbesetupusingtheCTRL0register.Asinglebitin oneoftheregistersdeterminesifitsassociatedpinistobeusedasanexternalTMoutputpinorifit istohaveanotherfunction.ThenumberofoutputpinsforeachTMtypeisdifferent,thedetailsare providedintheaccompanyingtable. AllTMoutputpinnameshavea“_n”suffix.Pinnamesthatincludea“_0”or“_1”suffixindicate thattheyarefromaTMwithmultipleoutputpins.ThisallowstheTMtogenerateacomplimentary outputpair,selectedusingtheI/Oregisterdatabits. TM0 TM1 TM2 Register TP0_0� TP0_1 TP1_0� TP1_1 TP�_0� TP�_1 CTRL0 TM Output Pins TM Input/Output Pin Control Registers SelectingtohaveaTMinput/outputorwhethertoretainitsothersharedfunctionsisimplemented usingoneregisterwithasinglebitineachregistercorrespondingtoaTMinput/outputpin.When theTMnisenabled,ifthecorrespondingpinissetupasaTMinput/output,andthecomplimentary outputwillbeasanormalI/Opin. CTRL0 Register Bit 7 6 5 4 3 2 1 0 Na�e — — — — — TP�CPS TP1CPS TP0CPS R/W — — — — — R/W R/W R/W POR — — — — — 0 0 0 Bit7~3 Unimplemented,readas“0” Bit2 TP2CPS:TP2_0,TP2_1pinselection 0:TP2_0 1:TP2_1 WhenTM2isenabled,theoutputfunctionofTP2_0istimer,thentheTP2_1isI/O, andviceversa. |
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