该代码用VHDL实现了闹钟的定时和提醒功能。里面包含四部分代码，分别实现了60，30，2分频；键盘控制；外围控制；用quartus2软件就可以打开，压缩包中附有四个代码的仿真结果。-The VHDL code used to achieve the alarm clock to remind the timing and function. Code which contains four parts, namely a frequency 60,30,2　keyboard control　external control　quartus2 software can be used to open, compressed package code with the simulation results of four.