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AR# 19771

6.2i NGDBuild - "WARNING:NgdBuild:488 - Attribute value "...." is not an accepted value for attribute "BEL" on "....""

描述


General Description:

When the BEL constraint is used to control the packing of IOB flip-flops into one of the following BELs, the following warning is generated by NGDBuild (Translate):



IFF1, IFF2, OFF1, OFF2, TFF1, TFF2



"WARNING:NgdBuild:488 - Attribute value "...." is not an accepted value for attribute "BEL" on "....""

解决方案


You can safely ignore these warnings. These warnings will not appear in future software releases.



IFF1, IFF2, OFF1, OFF2, TFF1, TFF2 are valid elements for use with the BEL constraint.



NGDBuild should suppress such warnings.
AR# 19771
日期 06/16/2011
状态 Archive
Type 综合文章
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