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lmk04828 PLL LOCKED 不了!!

配置图见附件,PLL1 power down ,PLL2的参考时钟为250M,鉴相频率为125M,将PLL1 LD和PLL2 LD 分别设置为 PLL2 N 和PLL2 R ,频率分别为125.8MH和125Mhz,