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运行了 SDK 目录中...\FR801xH-SDK\examples\dev1.0\ble_simple_peripheral demo程序，导致keil无法识别芯片 原因是demo程序将调试引脚PC6，PC7改为了I2C引脚
现在不知道怎么解决，有大佬能提供下建议吗
我想到了，我试一下用串口烧录
串口也识别不了
