FPGA下板测试
时间：10-02
整理：3721RD
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FPGA设计中用到了ip核，在下板测试时出现以下错误，不知是何原因，请高手指点，谢谢！
Error: Can't communicate with device. Device will stop functioning when it reaches its non-tethered mode timeout limit.
Error: Can't communicate with device. Device will stop functioning when it reaches its non-tethered mode timeout limit.
是不是管脚没有约束对啊?