本文介绍的是基于VHDL的简易电子琴的设计，采用EDA作为开发工具。-This article describes a simple VHDL-based keyboard design and use of EDA as a development tool.

八音自动播放电子琴的数电设计实例，要下就下吧-Octave electronic keyboard play automatically the number of electrical design example, it should be next on the next