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Altera_Forum's avatar
Altera_Forum
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16 years ago

encoutered a confusing prob. about its warning

I got a warning :"input pins that donot drive logic".In my project I use a "component" sentence. The problem is when I compile the component only ,that input pin xx work(the warning disappear,I can ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

I guess, that reading the warnings strictly can help you to see, where design connectivity is missing. Tracing the signal flow is my usual method. If it all doesn't help, you have still a last resort of adding auxilary in- and output signals to your design to span part of the signal flow.