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Altera_Forum
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14 years ago

Bidirectional buffer

Hi, I am working on Altera FPGA. Please help me to code a Bidirectional bus using HDL. Can anyone share a code for this. Regards, freak
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Altera_Forum
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14 years ago

Note that FGPAs only support tri-state bufers for I/O signals.

There is no tri-state capability for internal signals.

However, if you use tri-state driven internal signals, Quartus will try to reproduce the behavior using multiplexers.