摘要
针对温度检测数码管动态显示与扫描电路的功能要求,本文利用AT89C2051自身端口设计并实现了该功能电路。用程序修改PC高位字节使之与P1口组合实现对多位8段LED显示器的接口,并对 P3端口组合实现对键盘矩阵的接口。
Aimed at the temperature examination figures the tube the development manifestation with scan the function of the electric circuit request, this text makes use of AT89C2051 oneself port design and realizes the functioffs electric circuit. Use the procedure modification PC the high a word to makes it combined with P1 to realize to pick up 8 LEDS display and combines to realize to the port of P3 to connect to the keyboard matrix.
出处
《安徽科技学院学报》
2006年第1期18-21,共4页
Journal of Anhui Science and Technology University
关键词
温度检测
数码显示
扫描电路
Temperature examination
Figures manifestation
Scan circuit
