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DDR sch图



大家好,下面是我画的Dm8168 DDR芯片的原理图,请大家帮我看下,有没有问题?

画圆圈打问号的是我不太确认怎么处理的信号,请给一些建议?谢谢!

SCHEMATIC1 _ SH21 - EMIF DDR0 B.pdf