GATE | GATE CS 1996 | Question 54

An 8052 based system has an output port with address 00H. Consider the following assembly language program.

ORG    0100H
MVI    A, 00H
LXI    H, 0105H
OUT    00H
INR    A
a) What does the program do with respect to the output port 00H?
b) Show the wave forms at the three least significant bits of the port 00H.



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