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这些warning 是什么意思,全是一类

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Tom2007|  楼主 | 2009-9-22 11:31 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
WARNING:Xst:2591 - "fre_q.vf" line 68: attribute on instance <IBUF_DELAY_VALUE> overrides generic/parameter on entity. It is possible that simulator will not take this attribute into account.
WARNING:Xst:2591 - "fre_q.vf" line 68: attribute on instance <IOSTANDARD> overrides generic/parameter on entity. It is possible that simulator will not take this attribute into account.
WARNING:Xst:2591 - "fre_q.vf" line 63: attribute on instance <DRIVE> overrides generic/parameter on entity. It is possible that simulator will not take this attribute into account.
WARNING:Xst:2591 - "fre_q.vf" line 63: attribute on instance <IOSTANDARD> overrides generic/parameter on entity. It is possible that simulator will not take this attribute into account.
WARNING:Xst:2591 - "fre_q.vf" line 63: attribute on instance <SLEW> overrides generic/parameter on entity. It is possible that simulator will not take this attribute into account.

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