单片机或DSP芯片等，流片或制作过程中，其加密位，在理论上总是可以破解，而芯片制造商总是不让其破解，请看文件资料。-Microcontroller or DSP chips, silicon, or the production process, the encryption bit, in theory, can always be solved, and the chip maker has always let his crack, see the documents.