第一章 绪 论..............................................................................................................5
1.1 概述................................................................................................................5
1.2 设计目的........................................................................................................6
1.3 设计任务和内容............................................................................................6
第二章 总体设计及核心器件简介..............................................................................7
2.1 总体设计.........................................................................................................7
2.2 AT89C51..........................................................................................................8
2.3 L298............................................................................................................10
引脚介绍：..................................................................................................................11
2.4 伺服电机介绍............................................................................................12
2.5 PT2262/PT2272 ..........................................................................................13
第三章 单元电路模块设计........................................................................................17
3.1 复位电路......................................................................................................17
3.2 时钟电路.......................................................................................................18
3.3 电机驱动电路图...........................................................................................19
3.4PWM 调速系统设计.........................................................................................20
第四章 软件编程设计................................................................................................21
4.1 设计思想......................................................................................................21
4.2 流程图..........................................................................................................21
4.3 源程序...........................................................................................................22
第五章 设计心得和存在问题....................................................................................26
