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你好,
很遗憾,根据你的描述,芯片应该是被锁死了.原因是在你的程序中没有进行相应的checksum的操作,这个问题的具体原因以及如何避免,请参考附件中的文档 http://www.deyisupport.com/cfs-file.ashx/__key/communityserver-discussions-components-files/24/8231._8259554F3296626B_UCD3138_E065D56C8D51216BE770555F_.pdf