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请问在设计基于TMS320C6678系统板时，如果不用PCIE模块，是不是可以悬空PCIECLKP和PCIECLKN引脚，还是是分别接高电平和低电平。
请参考Keystone硬件设计手册，PCIE不用时，PCIECLKP端接CVDD，N端接地，不可悬空。
谢谢，知道了
