Control and Observation points
Explain some of the examples of good candidates for control and observation points.
Expert
Examples of good candidates for control points are as follows:
a) Control lines to tri state devices
b) Data select lines to multiplexers and de-multiplexers
c) Enable read/write inputs to the memory devices
d) Enable/hold inputs to the microprocessors.
Some of the examples of good candidates for the observation points are as follows:
a) Global feedback paths.
b) Redundant signal lines.
c) Stem lines associated with signals having high fan-outs.
d) Address, control, and data buses.
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