第二章 MCS-51的结构了解MCS-51单片机基本硬件组成、功能部件、外部应用特性，为应用准备好硬件基础。 -Chapter II the structure of MCS-51 MCS-51 microcontroller basic understanding of hardware components, functional components, the external application characteristics, the basis for the applica

第三章 MCS-51单片机指令系统 §3-1 指令格式及其操作寻址方式 §3-2 指令系统 -Chapter MCS-51 microcontroller instruction format and operation instructions § 3-1 § 3-2 instruction addressing mode

第四章 MCS-51汇编程序设计 本章在指令系统基础上，介绍51单片机汇编语言程序设计-Chapter IV MCS-51 assembly programming system based on this chapter in order to introduce the 51 single-chip assembly language programming

uCOS-II移植到MCS-51的源码，自己学习中写的，很好的资料-Source uCOS-II transplantation MCS-51 s, written in their own learning, good information