Can't place multiple pins assigned to pin location Pin_101

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本文作者:xjtudll  发布于:2019-1-8  分类:技术心得  点击:


错误:Error (176310): Can't place multiple pins assigned to pin location Pin_101 (IOPAD_X34_Y18_N21)

    Info (176311): Pin addr[8] is assigned to pin location Pin_101 (IOPAD_X34_Y18_N21)
    Info (176311): Pin ~ALTERA_nCEO~ is assigned to pin location Pin_101 (IOPAD_X34_Y18_N21)

原因:该引脚是一个多功能管脚(multiple pin),可以当普通IO来用也可以做nCEO,nCEO是默认功能,如果要用它做普通IO需要提前设置一下

解决办法: 在device  and pin options -dual——purpose pin ---把里面的nCEO设置为use as regular io 就可以了

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