...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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