TI的AM5728的官方demo 原理图, DDR的标号不是按照同样的顺序来, 为啥呢?方便layout? 这样子使用没有问题?不会数据错误?
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方便layout?
是的,DDR一个byte lane里的数据线layout时可以互换。请看下面文档说明。
Data bit swapping within the data byte is allowed.
https://www.ti.com/lit/an/sprack7b/sprack7b.pdf