基于89S51单片机简易频率发生器的设计  

Design of Single Chip Microcomputer Simple Frequency Generator Based on the 89S51

作　　者：徐坚[1] 

机构地区：[1]黑龙江科技学院嵩山校区,黑龙江哈尔滨150001

出　　处：《自动化技术与应用》2012年第7期64-66,共3页Techniques of Automation and Applications

摘　　要：本题89S51/52单片机组装一个简易的信号发生器,在单片机输入端口处利用指拨开关器件的设定来改变频率定时量的大小,用89S51/52单片机定时器/计数器的中断功能产生连续的低频方波信号,用流程图详解信号源产生的过程,通过对硬件和软件的设计来实现一个简易的信号发生器。The subject 89S51/52 single chip microcomputer assembles a simple signal generator, the microcontroller input use of the device in front thumbwheel switches set to change the frequency to the quantity of timing with 89S51/52 microcontroller timer/cot, nter interrupt function to produce a continuous low-frequency square wave signal with the flow chart of the mass media source produce process is implemented. Through the design of software and hardware, a simple signal generator.

关 键 词：频率发生器 单片机 流程图 定时器/计数器中断 定时量 

分 类 号：TP368.1[自动化与计算机技术—计算机系统结构]