Error:Can't place pins assigned to pin location Pin_K22 (IOPAD_X41_Y19_N14)

问题描述:

Error:Can't place pins assigned to pin location Pin_K22 (IOPAD_X41_Y19_N14)
1我在分配DE0的管脚到VGA上时 出现这种错误 该怎么办?

我也碰到这个问题.解决方法如下:
在QII中的Assignments----Device----Device and pin option-----(选项卡)Dual purpose pin
将nCE0 的设置改为: use as regular IO