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Altera_Forum
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15 years ago

Bidirectional vs Output

Hello everybody, I want to be able to switch an output between the usual VDD/VSS outout, ie digital 1 and digital 0 as well as being able to set the output to tristate, speak the pin on th...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Kaz is right. You need the bidir pin only if you want to read the level possibly driven by the other side when your output is in high impedance state.