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我的目标板用仿真器最多才能倍频到80Mhz，高了就死了，资料上说可以到200Mhz，这是怎么回事？请问：除了板子设计外还有没有其它原因引起这个问题？谢谢！
查查电源，时钟信号的稳定性及信号质量，以及复位信号的时序。只能是板子的设计问题。
