vivado怎么解决Unconstrained Logical Port [DRC NSTD-1] [DRC UCIO-1]错误
1.问题描述很多工程有些logicport,我们不想对它进行管脚约束,但是不约束在生成bit文件时会产生类似下面的错误[DRCUCIO-1]UnconstrainedLogicalPort:10outof28logicalportshavenouserassignedspecificlocationconstraint(LOC).ThismaycauseI/Ocontentionorincompa