Question: Tri-state XSIG


Posted by HelpSeeker , May 02,1999,05:46 Post Reply  Forum

I'm seeing tri-state values on some of my EPROM signals, such as XSIG010263 in the Simulator. My rom file looks ok and I've got the latest project_essentials. Any ideas on why I would get a tri-state on those XSIG signals?

Also, is the following warning what we should see when the Simulator starts addressing "bad" data in the eprom file? Could this be the reason behind the tri-state?

Assertion [WARNING] in :STIMULUS(TEST_BENCH):UDUT@SCHEMATIC1(SCHEMATIC1):EPROM1@EPROM(BEHAVIORAL):READ at time 600.736 ns, cycle 11:
Undefined values in address -> 00000U00, undefined memory contents.

Many thanks!


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