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AR# 22698

LogiCORE Block Memory Generator v1.1 - "NO_CHANGE" operating mode not supported when 32kx1 is used

描述

"NO_CHANGE" operating mode is not supported when 32kx1 is used. 

 

This issue applies to Virtex-4 only. If the 32kx1 primitive is used, when a read is performed on the top 16kx1 RAMB16 followed by a write operation on the bottom 16kx1 RAMB16, the output will change although the operating mode is "NO_CHANGE". This occurs in both behavioral and structural simulations.

解决方案

This issue will be addressed in future release.

AR# 22698
日期 05/19/2014
状态 Archive
Type 综合文章
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