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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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HT66F0176 bảng dữ liệu(PDF) 66 Page - Holtek Semiconductor Inc |
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HT66F0176 bảng dữ liệu(HTML) 66 Page - Holtek Semiconductor Inc |
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66 / 165 page  Rev. 1.20 66 ����st 2�� 201� Rev. 1.20 6� ����st 2�� 201� HT66F0176 A/D Flash MCU with EEPROM HT66F0176 A/D Flash MCU with EEPROM TM Interrupts ThePeriodictypeTMhastwointernalinterrupt,oneforeachoftheinternalcomparatorAor comparatorP,whichgenerateaTMinterruptwhenacomparematchconditionoccurs.WhenaTM interruptisgenerated,itcanbeusedtoclearthecounterandalsotochangethestateoftheTM outputpin. TM External Pins ThePeriodictypeTMseachhasoneTMinputpin,withthelabelTCKn.TheTMinputpinis essentiallyaclocksourcefortheTMandisselectedusingtheTnCK2~TnCK0bitsintheTMnC0 register.ThisexternalTMinputpinallowsanexternalclocksourcetodrivetheinternalTM.This externalTMinputpinissharedwithotherfunctionsbutwillbeconnectedtotheinternalTMif selectedusingtheTnCK2~TnCK0bits.TheTMinputpincanbechosentohaveeitherarisingor fallingactiveedge.TheTCKnpinisalsousedastheexternaltriggerinputpininsinglepulseoutput modeforthePTM. ThePeriodictypeTMseachhasoneoutputpinwiththelabelTPn.WhentheTMisintheCompare MatchOutputMode,thesepinscanbecontrolledbytheTMtoswitchtoahighorlowlevelorto togglewhenacomparematchsituationoccurs.TheexternalTPnoutputpinisalsothepinwhere theTMgeneratesthePWMoutputwaveform.TheTPnpinactsasaninputwhentheTMissetup tooperateintheCaptureInputMode.AstheTPnpinsarepin-sharedwithotherfunctions,theTPn pinfunctionisenabledordisabledaccordingtotheinternalTMon/offcontrol,operationmodeand outputcontrolsettings.WhenthecorrespondingTMconfigurationselectstheTPnpintobeusedas anoutputpin,theassociatedpinwillbesetupasanexternalTMoutputpin.IftheTMconfiguration selectstheTPnpintobesetupasaninputpin,theinputsignalsuppliedontheassociatedpincan bederivedfromanexternalsignalandotherpin-sharedoutputfunction.IftheTMconfiguration determinesthattheTPnpinfunctionisnotused,theassociatedpinwillbecontrolledbyother pin-sharedfunctions.ThedetailsoftheTPnpinforeachTMtypeanddeviceareprovidedinthe accompanyingtable. TM0(PTM) TM1(PTM) Register TCK0; TP0 TCK1; TP1 TMPC TM External Pins |
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