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Altera_Forum
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16 years ago

Quartus optimizing away my buffers

Hello, Whenever I compile my project I recieve the warning(s): Warning: Always-enabled tri-state buffer(s) removed Warning: Converted the fanout from the always-enabled tri-state buffe...
Altera_Forum's avatar
Altera_Forum
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16 years ago

Two suggestions:

1 - Obviously I can't see your design but if you simulate your circuit, I think you'll see that it does work as you want it to.

2 - Read the section that begins on page 6-46 of the following document:

http://www.altera.com/literature/hb/qts/qts_qii51007.pdf

Generally, internal tri-states are a discouraged design practice.

Jake