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麻烦推荐合适的时钟

Other Parts Discussed in Thread: CDCE913, CDCE706

1、时钟在20MHz到25MHz范围可以变化,包含这两个频率,通过类似于IIC之类的控制接口来设置进行变化
2、变化的步进设置为1MHz,也即至少支持20M,21M,22M,23M,24M,25M这些档位的频率
3、对时钟jitter要求符合一般的晶振指标即可,按照1pS(12Mhz~25Mhz)要求
4、时钟的上升沿时间小于周期的10%,边沿单调即可