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Altera_Forum's avatar
Altera_Forum
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10 years ago

Mapping inout to inout

Is is possible to map inout ports to other inout ports without resolving direction? The use case is for mapping local ports in a hierarchical design for abstraction naming only. I have an eval ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

You should avoid doing this. The inout is only for IO and a direction should always be given. You could create a short circuit when you drive one high and another low.

[edit]sorry missed the part about the separate board, you do need to use a bidirectional driver if you want the io to function both as in and out in the same design[/edit]