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自制的板子,用的无源晶体,10MHZ,开始按默认的PLL参数,得到100MHZ的标称系统时钟,只点了个灯,电流消耗大约45ma,后来试了下修改PLL参数,跑到了200MHZ的系统时钟,点灯跑的好好的,此时电流消耗大约73ma,尝试再加大频率,跑到了400MHZ,点灯依然正常闪烁,只是速度更快了,电流消耗大约126ma。要是实际项目代码的话,能这样超频吗?