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Altera_Forum's avatar
Altera_Forum
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17 years ago

Output Pins stuck at VCC or GND

Hi all. I've just finished writing and simulating a program which functions as a calculator.. However upon compiling the program, there is this warning which says: "Output Pins stuck at VCC or ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

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Why are those pins stuck at VCC when I did not assign any pins yet.

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Very unlikely. You get this message for pins, that have been assigned but are not driven by logic. Either you connected no logic to the pin or the connected logic has a constant output. The purpose of the warning is making you check for logic that has unintentional constant output.