Question: Determine the control words necessary to program the 8255A for the following configurations: i. Port A - Mode 1, output Port B - Mode 1,

Determine the control words necessary to program the 8255A for the

Determine the control words necessary to program the 8255A for the following configurations: i. Port A - Mode 1, output Port B - Mode 1, input Port C - not used ii. Port A - Mode 1, input; Port C (PC6, PC7) output Port B- Mode 0, input; port C lower not used

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