关于c51单片机的详细介绍，及其C语言和汇编语言编程。该书籍才用大量的工程实践并有完整的源码讲解利于快速学习51单片机。-On the C51 single-chip detailed introduction, and the C language and assembly language programming. The book only with a large number of engineering practice and have a complete source to e