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AR# 18414

9.1i Virtex-II PAR - Controlling placement of cascaded BUFGMUXs


If there are more than eight BUFGMUXs and some of them are cascaded, the placer algorithms that handle BUFGMUX placement do not take into account the potential for a primary/secondary conflict due to the BUFGMUX load.


In this case, the BUFGMUXs should be manually constrained so that no primary/secondary conflicts exist.

AR# 18414
Date 12/15/2012
Status Archive
Type General Article
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