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利用J-link配合keil一直显示 Error: Flash Download failed - "Cortex-M3" 请问有大佬可以帮忙解决一下吗
可能是你SWD两个IO口在程序里使用了。去掉初始化就可以了。
@11
看下这个章节，用例程测试看看，IO不要复用成别的功能
