HP 16500C - Manual (Page 23)

To trigger after all status bus lines finish transitioning
In some applications, you will want to trigger a measurement when a
particular pattern has become stable. For example, you might want to trigger
the analyzer when a microprocessor’s status bus has become stable during
the bus cycle.
1 Select the timing analyzer Trigger menu and define a term called
PATTERN to represent the value to be found on the label
representing the status bus lines.
2 Under Timing Sequence Levels, enter the following sequence
specification:
TRIGGER on “PATTERN” > 40 ns
Triggering after lines are done transitioning
Triggering
To trigger after all status bus lines finish transitioning
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