说明：  单片机c语言教程全集-随着单片机技术的不断发展，以单片机C语言为主流的高级语言也不断被更多的单片机爱好者和工程师所喜爱。使用C51肯定要使用到编译器，以便把写好的C程序编译为机器码，这样单片机才能执行编写好的程序
(Complete Single Chip c language tutorial- With the continuous development of SCM technology to the mainstream single chip high-level C-language is also constantly being more like microcontroller hobbyists and engineers. Sure to use the C51 compiler used in order to write a C program compiled to native code, so writing a good program to perform SCM)