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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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HT45F5Q 데이터시트(PDF) 91 Page - Holtek Semiconductor Inc |
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HT45F5Q 데이터시트(HTML) 91 Page - Holtek Semiconductor Inc |
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91 / 114 page  Rev. 1.10 90 De�e��e� 1�� �01� Rev. 1.10 91 De�e��e� 1�� �01� HT45F5Q Charger Flash MCU HT45F5Q Charger Flash MCU INT Pin Ti�e Base 0 INTF TB0F INTE TB0E EMI 04H EMI 08H EEPROM DEF DEE 10H 0CH 14H 18H 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 Ti�e Base 1 TB1F TB1E 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 EMI EMI STM P STMP0F STMP0E STM A STMA0F STMA0E EMI EMI OCVP OCVPF OCVPE M. Fun�t.0 MF0F MF0E A/D ADF ADE Inte��upt Na�e Request Flags Ena�le Bits Interrupt Structure External Interrupt TheexternalinterruptiscontrolledbysignaltransitionsontheINTpin.Anexternalinterrupt requestwilltakeplacewhentheexternalinterruptrequestflag,INTF,isset,whichwilloccurwhen atransition,whosetypeischosenbytheedgeselectbits,appearsontheexternalinterruptpin.To allowtheprogramtobranchtotheinterruptvectoraddress,theglobalinterruptenablebit,EMI,and theexternalinterruptenablebit,INTE,mustfirstbeset.Additionallythecorrectinterruptedgetype mustbeselectedusingtheINTEGregistertoenabletheexternalinterruptfunctionandtochoosethe triggeredgetype.Astheexternalinterruptpinispin-sharedwithI/Opin,itcanonlybeconfigured asexternalinterruptpinbysettingthepin-sharedregisters.Thepinmustalsobesetupasaninput bysettingthecorrespondingbitintheportcontrolregister.Whentheinterruptisenabled,thestack isnotfullandthecorrecttransitiontypeappearsontheexternalinterruptpin,asubroutinecallto theexternalinterruptvector,willtakeplace.Whentheinterruptisserviced,theexternalinterrupt requestflag,INTF,willbeautomaticallyresetandtheEMIbitwillbeautomaticallyclearedto disableotherinterrupts.Notethatthepull-highresistorselectionontheexternalinterruptpinwill remainvalidevenifthepinisusedasanexternalinterruptinput. TheINTEGregisterisusedtoselectthetypeofactiveedgethatwilltriggertheexternalinterrupt. Achoiceofeitherrisingorfallingorbothedgetypescanbechosentotriggeranexternalinterrupt. NotethattheINTEGregistercanalsobeusedtodisabletheexternalinterruptfunction. |
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