Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

same wire to 2 bidir io pins

Hi, I have a bidir pin ( MDIO) it is connected to a wire and then the wire connects to inside the sub modules. How can I make this wire connect to another bidir pin? If I try quartus...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

--- Quote Start ---

How can I make this wire connect to another bidir pin?

--- Quote End ---

If you think "in hardware" you'll realize that this isn't possible. Bidirectional pins refer to combination of three-state driver and input buffer. You can only manipulate the signal behind these drivers/buffers.

The only synthesizable I/O wire connects an input to an output pin.