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Honored Contributor
Honored Contributorencoutered 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_ForumHonored Contributor
Honored Contributor --- Quote Start --- I cann't assemble any until now.The connetcion was there when seen in RTL ,but lost in techology map viewer. This maybe mean that it is not because the connection that I neglect,but the fitter or synthesis's judgement for that model output of that input pin always stuck at GND ,known from warning,so they just omit their input pin's connection. Anyone here have better ideas? --- Quote End --- Hi , define your component as design partition. This will preserve the IF of the component. If the root cause of the problem is in the block driving the component, you should see which signal(s) are tied to VCC or ground . Kind regards GPK
