Q6

MCQMarks unknown

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 PCHL HLT

(A)

What does the program do with respect to the output port $00H$ ?

(B)

Show the waveforms at the three least significant bits of the port $00H$ .

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