一种实时脉冲信号发生电路  

A Real-time Pulse Generating Circuit

作　　者：左文香[1] 

机构地区：[1]河北工程技术高等专科学校,061001

出　　处：《江苏电器》2003年第2期26-27,共2页

摘　　要：介绍了在微机控制系统中,使用可编程计数器8253组成的实时脉冲信号发生电路的灵活性,实时脉冲信号的频率和数量由电路实现,由程序控制。该电路可广泛应用于自动化系统中。The flexibility of using real-time pulse generating circuit which is composed of programmable counter 8253 in computer controlled system is introduced.The frequency and quantity of real-time pulse signal are achieved by circuit and controlled by program. This kind of circuit can be applied widely in automatic system.

关 键 词：可编程计数器 实时脉冲信号发生电路 微机控制系统 数据采集系统 

分 类 号：TP273.5[自动化与计算机技术—检测技术与自动化装置]