看时钟芯片,有的芯片有0延迟功能,请问0延迟与同步的区别在哪?还有像输入端为CLKin0,CLKin1的,不能接晶振,是吗?
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0延时指的是输入和输出能够做到0延时,而同步指的是所有的输出可以做到同步,所以是两个概念。
另外,如果想外接晶振的话,采用OSCin/OSCin*引脚。