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AR# 22024

Embedded Tri-mode Ethernet MAC Wrapper v3.1 - Sometimes PAR is unable to route all Virtex-4 EMAC clocks

説明

General Description: 

When I use the Embedded Tri-mode Ethernet MAC Wrapper v3.1 with the environment variable, mentioned in (Xilinx Answer 21402), PAR is sometimes unable to route some of the clock signals. Specifically, the problem is more frequent when numerous BUFGs are used.

ソリューション

This is a PAR issue that will be resolved in ISE 8.1. 

 

You can try working around this issue by placing non-EMAC clocks into regions other than the regions that the EMAC resides in.

AR# 22024
日付 05/19/2014
ステータス アーカイブ
種類 一般
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