What changes are needed in Figure 11-17 to make the four VAD values equal to the binary
Question:
What changes are needed in Figure 11-17 to make the four VAD values equal to the binary equivalent of 024, 025, 026, and 027?
Figure 11-17
Transcribed Image Text:
Interrupt register Highest 3 priority Lowest priority 1 1 2 1 0 3 2 1 0 Mask register D3 D D Do Ao Priority encoder A Figure 4-12 Interrupt acknowledge from CPU 0 0 0 0 0 0 4 4 4 4 + VAD Interrupt to CPU
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Related Book For
Logic And Computer Design Fundamentals
ISBN: 9780133760637
5th Edition
Authors: M. Morris Mano, Charles Kime, Tom Martin
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