No traces should cross reference plane cuts within the DDR3 routing region.High-speed signal traces crossing reference plane cuts creat large return current paths which can lead to excessive crosstalk and EMI rediation. & j0 P( n, [* Z! `# o- U0 Y/ V& ?) e/ g9 x! o' x4 e8 V
对其中后半句不是很理解(说高速信号线跨分割会产生大量的回流路径,这些回流路径可以导致过量的串扰和EMI辐射。) + A- e4 z% A; S 9 v4 I* |3 G- J4 Z不知道有没有懂的人帮忙看看,简单讲讲具体的原理,谢谢! & b) i0 _: I1 D- w; M8 ~$ j6 ]3 V3 p! p