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请问EP2C5Q208的第108脚不能分配为总线IO<br />在ftter 时,错误如下:<br /><br />Error: Can't place pins assigned to pin location Pin_108 (IOC_X28_Y2_N0)<br /> Info: Pin DQ_2[4] is assigned to pin location Pin_108 (IOC_X28_Y2_N0)<br /> Info: Pin ~LVDS41p/nCEO~ is assigned to pin location Pin_108 (IOC_X28_Y2_N0)<br /><br /><br />把108脚的分配注译后,一切正常.<br /><br />108脚是IO/LVDS/nCEO 多功能引脚;<br /><br />107脚是IO/LVDS/INIT_DONE 我把它分配到总线数据线上,是正常的.<br /><br /> 请问这是怎么为事呀??<br /> |
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