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如题，一开始SWD可以正常调试的，硬件全没变过，后来调试时就一直进入faultISR，复位后再运行就一直执行汇编 svc 0指令，请问是硬件损坏导致的还是什么情况？我换了一块板子还是一样的结果，换其它工程也一样。
改用标准的4线JATG看看还会不会有同样的问题？
