文件名称:IO_NN_kb
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一种用N+1个IO口实现的N×N矩阵式键盘
摘要 介绍一种用N+1个I/O端口实现N×N矩阵式键盘的一般方法，并用该方法设计一个5×5的矩阵式键盘作为例子，给出软件编制框图并对该方法进行探讨。
关键词 键盘 矩阵 接口电路
-A N+ 1 months IO I realize the N × N matrix A keyboard Abstract Introduction N+ 1 months I/O ports realize N × N matrix of the general approach the keyboard and used the method to design a 5 × 5 s Matrix keyboard as an example, given the preparation of block diagram software and to explore the method. Key words keyboard matrix interface circuit
摘要 介绍一种用N+1个I/O端口实现N×N矩阵式键盘的一般方法，并用该方法设计一个5×5的矩阵式键盘作为例子，给出软件编制框图并对该方法进行探讨。
关键词 键盘 矩阵 接口电路
-A N+ 1 months IO I realize the N × N matrix A keyboard Abstract Introduction N+ 1 months I/O ports realize N × N matrix of the general approach the keyboard and used the method to design a 5 × 5 s Matrix keyboard as an example, given the preparation of block diagram software and to explore the method. Key words keyboard matrix interface circuit
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一种用N+1个IO口实现的N×N矩阵式键盘.doc