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Question

In 8279 Status Word, data is read when ________ pins are low, and write to the display RAM with ____________ are low.

a.

A0, CS, RD & A0, WR, CS

b.

CS, WR, A0 & A0, CS, RD

c.

A0, RD & WR, CS

d.

CS, RD & A0, CS

Posted under Microprocessor

Answer: (a).A0, CS, RD & A0, WR, CS

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Q. In 8279 Status Word, data is read when ________ pins are low, and write to the display RAM with ____________ are low.
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