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28034下载失败

我用串口线下载,用CodeSkin Chip Programmer 进行下载 配置界面如下
做了100块板子,大部分是能正常下载的,但其中大概有二三十块板子下不进程序,报错界面如下图,我们分析下来可能是买的这批芯片有问题不是原装的,有些芯片已被加密了,我想请问能不能有什么方法将这些芯片解密,让我能成功下载程序