To Detect Bus Contention - HP 1660CS-Series User Manual

To detect bus contention

In this setup, the trigger occurs only if both devices assert their bus transfer
acknowledge lines at the same time.
Go to the timing analyzer's Trigger menu.
1
Define the Edge1 term to represent assertion of the bus transfer
2
acknowledge line of one device, and Edge2 term to represent
assertion of the bus transfer acknowledge line of the other device.
You can rename these to BTACK1 and BTACK2.
Under Timing Sequence Levels, enter the following sequence
3
specification:
•
TRIGGER on "BTACK1 • BTACK2" Occurs "1" Else on "no state" go to
level "1"
Triggering on bus contention
Single-Machine Trigger Examples
To detect bus contention
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