quratus报错记录

错误信息：

Error (176310): Can't place multiple pins assigned to pin location Pin_C1 (IOPAD_X0_Y22_N21)

Error (176310): Can't place multiple pins assigned to pin location Pin_D2 (IOPAD_X0_Y21_N14)

Error (176310): Can't place multiple pins assigned to pin location Pin_H1 (IOPAD_X0_Y17_N14)

Error (176310): Can't place multiple pins assigned to pin location Pin_H2 (IOPAD_X0_Y17_N21)

解决办法：

首先在Device中选择Device and Pin Options。

在Dual-Purpose Pins中把所有管脚改成Use as regular I/O，就不会再报错。