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Altera_Forum
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17 years ago

Using Tri-state buffer on bus

Hello, I have been using the tristate buffer (from primitives/buffer folder) to control a byte wide bus. I have noticed a number of warnings while compiling and was wondering if this feature w...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Since there is no physical tristate bus inside an FPGA the Quartus software has to generate a multiplexer logic that replaces the logical tristate bus. Maybe the warnings are caused by this multiplexer logic?