Consider the daisy-chain arrangement shown in Figure P4.1, in which the bus-request signal is fed back directly
Question:
Consider the daisy-chain arrangement shown in Figure P4.1, in which the bus-request signal is fed back directly as the bus grant. Assume that device 3 requests the bus and
begins using it. When device 3 is finished, it deactivates BR3. Assume that the delay from BGi to BG(i + 1) in any device is
d. Show that a spurious bus grant pulse will travel downstream from device 3 (spurious because it is not a response to any request). Estimate the width of this pulse.
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Related Book For
Computer Organization
ISBN: 9780072320862
5th Edition
Authors: V Carl Hamacher, Carl Hamacher, Zvonko G Vranesic, Safwat G Zaky
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