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HT66F019 Datasheet(PDF) 151 Page - Holtek Semiconductor Inc |
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HT66F019 Datasheet(HTML) 151 Page - Holtek Semiconductor Inc |
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151 / 175 page  Rev. 1.00 150 De�e��e� 01� �01� Rev. 1.00 151 De�e��e� 01� �01� HT66F019 A/D Flash MCU with EEPROM HT66F019 A/D Flash MCU with EEPROM thestackandallowsthemicrocontrollertocontinuewithnormalexecutionatthepointwherethe interruptoccurred. Thevariousinterruptenablebits,togetherwiththeirassociatedrequestflags,areshowninthe Accompanyingdiagramswiththeirorderofpriority.Someinterruptsourceshavetheirown individualvectorwhileotherssharethesamemulti-functioninterruptvector.Onceaninterrupt subroutineisserviced,alltheotherinterruptswillbeblocked,astheglobalinterruptenablebit, EMIbitwillbeclearedautomatically.Thiswillpreventanyfurtherinterruptnestingfromoccurring. However,ifotherinterruptrequestsoccurduringthisinterval,althoughtheinterruptwillnotbe immediatelyserviced,therequestflagwillstillberecorded. Ifaninterruptrequiresimmediateservicingwhiletheprogramisalreadyinanotherinterruptservice routine,theEMIbitshouldbesetafterenteringtheroutine,toallowinterruptnesting.Ifthestack isfull,theinterruptrequestwillnotbeacknowledged,eveniftherelatedinterruptisenabled,until theStackPointerisdecremented.Ifimmediateserviceisdesired,thestackmustbepreventedfrom becomingfull.Incaseofsimultaneousrequests,theaccompanyingdiagramshowstheprioritythat isapplied.Alloftheinterruptrequestflagswhensetwillwake-upthedeviceifitisinSLEEPor IDLEMode,howevertopreventawake-upfromoccurringthecorrespondingflagshouldbeset beforethedeviceisinSLEEPorIDLEMode. INT0 Pin INT1 Pin INT0F INT1F INT0E INT1E EMI 04H EMI 08H EMI 0CH EMI 10H Ti�e Base 0 TB0F TB0E CTM P CTMPF CTMPE EMI 1CH Inte��upt Na�e Request Flags Ena�le Bits Maste� Ena�le Vector EMI auto disa�led in ISR P�io�ity High Low STM P STMPF STMPE STM A STMAF STMAE M. Fun�t. 0 MF0F MF0E Inte��upts �ontained within Multi-Fun�tion Inte��upts xxE Ena�le Bits xxF Request Flag� auto �eset in ISR Legend xxF Request Flag� no auto �eset in ISR EMI �0H EMI �4H Co�pa�ato� CPF CPE M. Fun�t. 1 MF1F MF1E Ti�e Base 1 TB1F TB1E CTM A CTMAF CTMAE A/D �onve�te� ADF ADE EMI 18H EMI 14H LVD LVF LVE M. Fun�t. � MF�F MF�E EEPROM DEF DEE PTM P PTMPF PTMPE PTM A PTMAF PTMAE UART URF URE EMI �8H EMI �CH SIM SIMF SIME Interrupt Structure |
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