Multiple choice

For the 8085 microprocessor, the interfacing circuit to input 8-bit digital data (DI0- DI7) from an external device is shown in the figure. The instruction for correct data transfer is

  1. MVI A, F8H

  2. IN F8H

  3. OUT F8H

  4. LDA F8F8H

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Correct option is (4). LDA F8F8H is the correct answer as it shifts the data to the accumulator for a 16-bit address.