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AR# 7706

Virtex BitGen - Why is there no -t (tie down unused interconnect) or -n (write out tied ncd) for Virtex?


There is no option in BitGen for Virtex to tie down unused interconnect, or save that state to an ncd file. 


Why is this?


The Virtex devices have an architecture that makes it easy to tie down, so every design is always tied. Routing special tie signals or writing out other .ncd files is unnecessary.

AR# 7706
Date 05/14/2014
Status Archive
Type General Article
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