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Differences between polled i/0and interrupt-driven i/0?

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Reference no: EM13899277

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.

 

 

Reference no: EM13899277

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