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Altera_Forum
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9 years ago

Quartus Error (13066): Illegal directional connection from the pin (inout)

Hello all, I've posted this question to VHDL board, please forgive me if you've seen it there. Just thought it could be Quartus related so repost it here again. I'm using Quartus 16 lite to c...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

Ive deleted your duplicate post, double posting is not allowed.

FPGAs only have tristates on the external pins. You cannot drive tri-states internally on the FPGA. hence the error.