AR# 21746

描述

Why is there skew on the TXP/TXN signals between A and B MGTs in simulation?

解决方案

This issue has been resolved in 7.1is4. In the meantime, an update can be downloaded from the following links: 

PC: 

http://www.xilinx.com/txpatches/pub/swhelp/ise7_updates/cr211798.zip
 

Linux: 

http://www.xilinx.com/txpatches/pub/swhelp/ise7_updates/cr211798_lin.tar.gz
 

Solaris: 

http://www.xilinx.com/txpatches/pub/swhelp/ise7_updates/cr211798_sol.tar.gz