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Altera_Forum's avatar
Altera_Forum
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17 years ago

Blacl Box synthesis attribute

Im trying to tell the Quartus 2 synthesiser that my component is a black box so it doesnt complain that it cant find the entity declaration. Ive tried all of the following in the VHDL top level: ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

How do you physically want it to place-and-route a black-box? (I ask because until recently, you really couldn't do a black-box)

I create the normal entity and then do:

architecture bb of entityname is

begin

end bb;

So there's nothing in it. I then run analysis and elaboration to get the hierarchy, right-click on this hierarchy in the hierarchy browser and create a partition. Then I open Assignments -> Design Partitions Window and set that partition to Empty.