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AM437x的DDR用不用VTT呢

Other Parts Discussed in Thread: TIDEP0012, TMDSIDK437X

在官网上看到过两个参考设计,有的是有VTT的,有的没有VTT的

如下,这个是不用VTT的,

而下面这个是用VTT的

到底用不用呢,还是说可用可不用。

我看,没有用VTT的,中间用0欧电阻串进了DDR的控制与地址线