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目前用C6678遇到的问题，rank位宽为64bit，并加了8bit的ECC校验，DDR3选用x16的芯片，因此每个rank上有5颗DDR3。在PCB layout时发现ECC不好走线，现在想问：C6678的ECC数据管脚是否能够做换PIN操作？
