基于DSP的智能断路器主控制器的键盘硬件设计  

Hardware Design of Keyboard for Intelligent Breaker Controller Based on DSP

作　　者：张跃飞 李树山[2] 

机构地区：[1]驻162厂军事代表室,安顺561018 [2]中国石油天然气管道工程有限公司,廊坊065000

出　　处：《电气开关》2008年第5期32-33,37,共3页Electric Switchgear

摘　　要：介绍了智能断路器主控制器的工作原理,同时重点阐述了键盘的分类。其中,数字信号处理器选用的是低功耗、高速度的TMS320F2812,键盘芯片选用的是HD7279A。采用该设计方法设计简单,可以满足系统需要,因此具有较高的实用价值。The main function principle of intelligent breaker controller based on DSP are introduced. Moreover, the types of the keyboard are mainly expatiated. TMS320F2812 is selected as a digital signal processor because of its low power consumption and high speed. The keyboard is HD7279A. This design is simple and can meet the system demands.Hence, it has high practical value in industrial application.

关 键 词：数字信号处理器 键盘 HD7279A 

分 类 号：TM57[电气工程—电器]