altera的cyclone iv芯片编译时gxb模块无故pin冲突
时间：10-02
整理：3721RD
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我编译时出现如下error，可是我这几个pin都没使用，报错后pin planner 里面无故出现这样一个output：clk_diff~reserved_gnd_T7，以前使用gxb收发器编译时都没出现这种问题，求解决方法，谢谢！
Error (169330): T7 cannot be used in the design when M7 is used to drive a transceiver channel at or greater than 2.97 Gbps.
Error (169330): T8 cannot be used in the design when M7 is used to drive a transceiver channel at or greater than 2.97 Gbps.
Error (169330): V6 cannot be used in the design when M7 is used to drive a transceiver channel at or greater than 2.97 Gbps.
Error (169330): W8 cannot be used in the design when M7 is used to drive a transceiver channel at or greater than 2.97 Gbps.
Error (169330): AA4 cannot be used in the design when M7 is used to drive a transceiver channel at or greater than 2.97 Gbps.
期待中.....................