單片機(jī)課程設(shè)計(jì)報(bào)告(42154矩陣鍵盤)-wenkub
2023-04-26 22:37:19 本頁(yè)面
【正文】 鍵盤；44鍵盤；簡(jiǎn)易；行掃描法 AbstractMatrix keyboard scanning device is a module represents the SCM systems need a lot of keyboard input device, in a variety of singlechip microputer system is always an essential part of the. The line scan input method simple still has great significance, without the need for plicated micro processing module, it is a very important way of manmachine munication.Based on the 4 * 4 matrix keyboard input device as an example, the use of the knowledge, a simple input device reliability is established, through the principle of design concise representation of keyboard input device and line scanning method, and a good grasp of, the final harvest.Practice shows that, the simple 4 * 4 matrix keyboard input device due to irrational use of resources, information processing algorithm efficiency is low, still need a lot of learning and its improvement.Key words: SCM，Matrix keyboard，4 * 4 keyboard，Simple，Line Scanning Method
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