In this module, you studied 8086 microprocessor interfacing. You will now solve a series of problems based on 8086 input/output interface design.
STUDYQUESTIONS
1. WhatarethemaindifferencesbetweenpolledI/0andinterrupt-drivenI/0?
2.HowmanyslavesarerequiredifICW3inamaster8259contains01100101?WhatdevicesareconnectedtoeachIRinput?
3. Whatmode-0countervalueisneededtogeta25-mstimedelay?A1-MHzclockisconnectedtoCLK.