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DM8148如何对DDR3-1600 降频?



DM8148的板子上使用的是MT41J128M16-125 ,时钟频率800MHz,使用CCS的测试程序一直没有通过,现在想降频到400MHz测试一下。

我想知道,降频的话寄存器是按照400MHz的时钟频率吗?