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Altera_Forum's avatar
Altera_Forum
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9 years ago

Quartus message re output drivers

Quartus gives me a message about no output drivers on pins. I have tried putting the .alt driver on the pins, no difference. So what drivers am I supposed to put on the pins?? The quantity of usel...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

Then I get this warning:

Warning (169064): Following 32 pins have no output enable or a GND or VCC output enable - later changes to this connectivity may change fitting results

These pins are a memory bus, and although you can draw a bidirectional pin on the .BDF drawing, it comes with no output enable. How are you supposed to do that?