quartusii编译出现错误“Can't place multiple pins assigned to _欣庸

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quartusii编译出现错误“Can't place multiple pins assigned to

(2014-10-14 09:05:10)

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分类： FPGA

问题：quartusii编译出现错误“Error (176310): Can't place multiple pins assigned to pin location Pin_101 (IOPAD_X53_Y21_N14) “。

http://s11/mw690/003pe0FOzy6MNFAQBJ03a&690place multiple pins assigned to " TITLE="quartusii编译出现错误“Can't place multiple pins assigned to " />

问题原因：在Altera EP4CE22E22C8芯片中的101引脚是nCEO,其默认为”programming pin“（编程引脚），如果当做regular I/O pin（普通IO引脚）时会发生冲突。

解决办法：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。

http://s3/mw690/003pe0FOzy6MNFGfZaqc2&690place multiple pins assigned to " TITLE="quartusii编译出现错误“Can't place multiple pins assigned to " />

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