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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HT68F005 датащи(PDF) 73 Page - Holtek Semiconductor Inc |
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HT68F005 датащи(HTML) 73 Page - Holtek Semiconductor Inc |
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73 / 93 page  Rev. 1.00 7� ��to�e� ��� �01� Rev. 1.00 73 ��to�e� ��� �01� HT68F005/HT68F006 Enhanced I/O Flash Type MCU HT68F005/HT68F006 Enhanced I/O Flash Type MCU 04H 08H 0CH 10H 14H Vector Low P�io�ity High Request Flags Ena�le Bits Maste� Ena�le Request Flags Ena�le Bits EMI auto disa�led in ISR Inte��upts �ontained within Multi-Fun�tion Inte��upts Inte��upt Name Inte��upt Name EMI EMI EMI EMI T1AF TM1 A T1AE T1PF TM1 P T1PE INTF INT Pin INTE TB0F Time Base 0 TB0E MF0F M. Fun�t. 0 MF0E MF1F M. Fun�t. 1 MF1E EMI DEF EEPR�M DEE xxF Legend Request Flag – no auto �eset in ISR xxF Request Flag – auto �eset in ISR xxE Ena�le Bit T0AF TM0 A T0PF TM0 P T0AE T0PE 1CH EMI TB1F Time Base 1 TB1E Interrupt Structure External Interrupt TheexternalinterruptiscontrolledbysignaltransitionsontheINTpin.Anexternalinterrupt requestwilltakeplacewhentheexternalinterruptrequestflag,INTF,isset,whichwilloccurwhen atransition,whosetypeischosenbytheedgeselectbits,appearsontheexternalinterruptpin.To allowtheprogramtobranchtoitsrespectiveinterruptvectoraddress,theglobalinterruptenablebit, EMI,andrespectiveexternalinterruptenablebit,INTE,mustfirstbeset.Additionallythecorrect interruptedgetypemustbeselectedusingtheINTEGregistertoenabletheexternalinterrupt functionandtochoosethetriggeredgetype.Astheexternalinterruptpinispin-sharedwithanI/ Opin,itcanonlybeconfiguredasanexternalinterruptpinifitsexternalinterruptenablebitinthe correspondinginterruptregisterhasbeenset.Thepinmustalsobesetupasaninputbysettingthe correspondingbitintheportcontrolregister.Whentheinterruptisenabled,thestackisnotfull andthecorrecttransitiontypeappearsontheexternalinterruptpin,asubroutinecalltotheexternal interruptvector,willtakeplace.Whentheinterruptisserviced,theexternalinterruptrequestflags, INTF,willbeautomaticallyresetandtheEMIbitwillbeautomaticallyclearedtodisableother interrupts.Notethatanypull-highresistorselectionontheexternalinterruptpinwillremainvalid evenifthepinisusedasanexternalinterruptinput. TheINTEGregisterisusedtoselectthetypeofactiveedgethatwilltriggertheexternalinterrupt. Achoiceofeitherrisingorfallingorbothedgetypescanbechosentotriggeranexternalinterrupt. NotethattheINTEGregistercanalsobeusedtodisabletheexternalinterruptfunction. |
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