单片机在开发后投入使用时，为了防止不法商贩复刻源代码，一般都会对其进行加密，次书介绍ＡＶＲ单片机的一些加密方法-SCM input in the development of after use, in order to prevent unscrupulous traders remake of the source code, it will usually its encrypted times book about the AVR some encryption method