文件名称:3
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设计一个键盘接口电路。要求:
(1)用200Hz时钟频率有效地去除按键的抖动;
(2)用20Hz时钟频率对键盘进行扫描识别,并用数码管将按键的编号显示出来;(Design a keyboard interface circuit. Requirements:
(1) use the 200Hz clock frequency to effectively remove the shaking of the keys;
(2) scan the keyboard with 20Hz clock frequency and display the key number of the key with the digital tube;)
(1)用200Hz时钟频率有效地去除按键的抖动;
(2)用20Hz时钟频率对键盘进行扫描识别,并用数码管将按键的编号显示出来;(Design a keyboard interface circuit. Requirements:
(1) use the 200Hz clock frequency to effectively remove the shaking of the keys;
(2) scan the keyboard with 20Hz clock frequency and display the key number of the key with the digital tube;)
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下载文件列表
文件名 | 大小 | 更新时间 |
---|---|---|
3.docx | 13832 | 2017-12-18 |