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参考原理图中C6678的DDR的参考时钟为66.667MHZ，是否可以为其他的频率值，比如100MHZ或者其他频率。
您好，
66.667MHz是典型的配置，可以有其他的输入，具体可以参考Hardware design guide及DDR3 design guide，谢谢。
