基于FPGA的矩阵式按键扫描的设计

The Design Matrix Key Scanning Based on FPGA

该文介绍了一种基于FPGA的矩阵式按键扫描方案,实现了矩阵式键盘在FPGA时序逻辑的控制下自动完成按键的扫描、处理、编码等功能,按键结果的采集通过中断方式来获取,是一种电路设计简单,响应稳定、快速的方法。

This paper introduces a matrix key scanning scheme based on FPGA, realizes the matrix keyboard control of the FPGA temporal logic to perform automatic button scanning, processing, coding and other functions, the key results of the collection to get through interrupt mode, is a kind of simple circuit design, stable, fast response.