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那是不是将PLL1设置为power down ,只在OCSin接入参考时钟就可以了(评估板上PLL1的参考输入是从SMA接入的,但我的设计中不能外部接入)?
或者你能不能讲一下具体如何设置
谢谢,因为对这方面不是非常了解,还正在查相关资料学习
恩是的,OSSin是PLL2的参考输入,如果你只需要PLL2, 可将PLL1 power down,寄存器0x140的bit7 =1 代表的是power down PLL1.