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Critical Warning: The following clock transfers have no clock uncertainty assignment. For more accurate results, apply clock uncertainty assignments o 阅读全文
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.sdc 文件是在做时序分析是建立的,你在Tasks窗口的Compile——>TimeQuest Timing Analysis——>TimeQuest Timing Analyzer,双击TimeQuest Timing Analyzer,会弹出TimeQuest Timing Analyzer设 阅读全文
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转载自:http://www.cnblogs.com/sunev/archive/2012/03/10/2388705.html 一、摘要 将Quartus II中FPGA管脚的分配及保存方法做一个汇总。 二、管脚分配方法 FPGA 的管脚分配,除了在QII软件中,选择“Assignments -> 阅读全文