本书通过大量系统实例精讲形式，介绍了51单片机应用系统开发的流程与方法。全书包括11章，首先讲述51系列的硬件结构、指令系统、开发过程中的常用单元、Keil 8051 C 编译器、51系统设计流程，引导读者进行基础知识学习。-Book through a lot of system instance: form, this paper introduces the 51 single-chip microcomputer application system development process and the method. Encyclopedia includes chapter 11, the first about 51 series of hardware structure, instruction system, unit is commonly used in the process of development, Keil compiler, 51 8051 C system design process, guide the readers on the basis of learning knowledge.