...文档下载_文档资源库 关键词：键盘接口芯片；ASCII 码；寄存器；串并变换；扫描器 [gap=1735]Key word: Keyboard interface chip; ASCII code; register; Serial and Parallel transform; scanne ..
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介绍了一种新型智能键盘显示控制器WH8280和基于该芯片的单片机键盘显示控制接口电路。
This paper presents a new intelligent keyboard and display controller WH8280 and a keyboard and display control interface circuit of based on this chip.
采用中断二维直读键盘结构，与并行接口芯片8255A接口；
The keyboard was connected to parallel interface chip 8255A, with the interruptive intercross structure.
人机接口部分的键盘采用的是编码式键盘芯片HD7279A，以串行的方式与单片机进行通信；
The keyboards of man-machine connect portion uses coded keyboard chip HD7279A, which communicates with the Single Chip Machine by the serial way;
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