键盘有很多种，有4x4键盘，有ps2键盘等等。这是个ps2 键盘的输入，同时显示键盘的输入值-There are a variety of keyboards, with 4x4 keyboard, a ps2 keyboard and so on. This is a ps2 keyboard input, keyboard input values displayed simultaneously

PS2键盘LCD显示控制器的vhdl代码，很难得-PS2LCDController vhdl code

vhdl简易电子琴ps2键盘控制有自动播放功能-vhdl simple flower