Description: Experimental box provided by the keyboard scanning circuit and display circuit, do a scan keyboard and digital display experiment, the keys to enter the key code on the six digital displays experimental procedures can be divided into three modules. ① key input module: scan the keyboard, reads the keyboard and keys into a key buffer unit. ② Display Module: The content displayed on the display unit of the dynamic display. ③ the main program: call key input module and display module.
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人机交互.doc
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