目录
1.前言...............................................1
1.1课题背景................................................1
1.2调速原理................................................2
2.系统硬件电路的设计..................................5
2.1系统总体结构设计........................................5
2.2STC89C51单片机与最小系统...............................5
2.2.1STC89C51单片机的组成..............................6
2.2.2CPU模块及外围部分部件.............................6
2.2.3STC89C51单片机引脚图及
基于单片机的直流电机调速系统设计-14977字.pdf