How is 8255 PPI interfaced with 8086 microprocessor?

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How do the IN & OUT instructions exactly function? I am having difficulty in understanding the Control Word Register.

2006-09-28 00:39:59 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Engineering

I'm not exactly sure what your issue is, but maybe "Note 1" on this Web Page might help:
http://www.eng.um.edu.mt/~ppdebo/mif.htm

2006-09-28 01:21:47 · answer #1 · answered by Marianna 6 · 0⤊ 0⤋

If u dont mind , refer to A.K RAY & BHURCHANDI book. It is good that u can understand easily.

2006-10-01 16:23:48 · answer #2 · answered by achhu 2 · 0⤊ 0⤋