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这个是芯片的设计问题,我这里也没办法回复你原因。设计的就是全写1是不加密,全写0是锁死,无法解锁。
如果在擦除的时候复位,有可能导致密码不确定,包括写入的时候复位、断电、电压/晶振不稳定等等都有可能造成芯片意外被锁,密码不确定。这样就没办法解锁了