Operation performed by instruction out 47 h, al, Electrical Engineering

Q. Illustrate the operation performed by instruction OUT 47 h, AL.

Ans:  It transfers contents of AL to I/O port 47h. Notice that I/O port number appears as 0047h on the 16 bit address bus and that data from AL appears on the data bus of microprocessor.

Posted Date: 8/19/2013 4:12:48 AM | Location : United States

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