使用PORTB上的变化作为外部中断

ThePICmicro™familiesofRISCmicrocontrollersare

designedtoprovideadvancedperformanceanda

cost-effectivesolutionforavarietyofapplications.To

addresstheseapplications,thereisthePIC16CXXX

microcontrollerfamilyofproducts.Thisfamilyhas

numerousperipheralandspecialfeaturestobetter

addressuserapplications.MUsingthePORTBInterruptonChangeasanExternalInterruptAN566USINGAPORTBINPUTFORANAuthor:MarkPalmerMicrochipTechnologyInc.EXTERNALINTERRUPTTheinterruptsource(s)cannotsimplybedirectlyINTRODUCTIONconnectedtothePORTBpins,andexpectaninterrupttooccurthesameasontheinterrupt(INT)pin.ToThePICmicrofamiliesofRISCmicrocontrollersaredevelopthemicrocontro