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AR# 16724

6.1i Virtex-II PAR - LUT RAM may be placed in an unroutable configuration

描述

Keywords: unroutable, unrouted, RAM, LUT RAM

Urgency: Standard

General Description:
In some cases, when LUT RAM slices are autoplaced, a conflict occurs for shared routing resources on address pins and results in unroutable designs.

解决方案

This problem is scheduled to be fixed in 6.2i . Meanwhile, you can work around this issue by using placement constraints to prevent the conflicting placement of LUT RAM.
AR# 16724
日期 10/23/2008
状态 Archive
Type 综合文章
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