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Altera_Forum
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16 years ago

WYSIWYG I/O Primitives Error

Hello all: I am building a simple design on the Stratix II GX Audio Video Development Board, and am running into an error. I have the one-wire interface component giving me access to the dip sw...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

I'm motivated to believe the Quartus error message about missing top-level connection of the altddio instance. To understand, how this could happen, I would like to see the respective design part. Sometimes error messages related to connectivity are caused by a different issue, e.g. when the respective function is removed in compilation, because it misses an effective driving signal.