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6678 DDR3数据线连接问题,请教工程师



6678开发板上DDR3的数据线是直连的,没有像地址线和控制线一样上拉至0.75V.

我选的DDR3芯片是micron公司的mt41j256m,芯片数据手册上提到数据线引脚参考Vref_Data,  这样的话是否数据线也需要像地址线一样通过电阻上拉到Vref_Data(0.75V)?

请工程师回复,谢谢!