近日调试C6670上AIF2接口,看到芯片手册上TX Serdes只能配置为8x模式。这里有一个地方不理解,为何发送4x的Cpri数据和8x的Cpri数据时,线速率不同但Serdes的配置却是一样的。
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serdes线上频率一样,采样周期不一样,上下沿采样,上沿采样或者是两个时钟周期的上沿采样。