芯片DAC3482的评估板(DAC3482EVM)其中的有段时钟缓冲器的电路如图所示,但这里花圈的4个信号线我没找到它们连接到其他哪里,问下这4个线是连哪里的。再问下这里的时钟缓冲器(CDCP1803)有什么作用?
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左边圆圈里是连接到原理图第三页,CDCE62005的pin19,pin20
右边圆圈里是连接到原理图第一页,DAC3482的B2,A2管脚上的