DAC3482评估板用CDCE62005做时钟发生器,它产生的FIFO-OSTR又经过了时钟缓冲器CDCP1803,之后才输出到DA作FIFO同步信号,这里的CDCP1803做什么?之前问了又人说分频,但是分频完全可以在CDCE62005里完成啊,不需要另加时钟缓冲器啊?
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当时是害怕驱动的长度太长,幅度有衰减,后来经过测试后发现可以接收。在新的DAC中就删除了这个buffer