日历时钟 按K1,进入设置状态 按k2,停止闹钟声音 按k3,依次进入闹钟功能是否启用，闹钟时,分秒,年,月,日及时间时,分,秒的设置,直到退出设置状态 按k4,调整是否起用闹钟和调节闹钟时,分,秒,年,月,日,时间的时,分,秒的数字 ,Calendar clock by K1, enter the state by setting k2, to stop the alarm sound by k3, in order to enter the alarm clock feature

一个基于VHDL的多功能数字钟设计，能在LCD上显示时间，调整时间，整点报时，音乐为美妙的梁祝。-A VHDL-based design of multi-functional digital clock that can display time in the LCD, adjust the time, the whole point of time, music was wonderful Butterfly Lovers.

实现电压转换并在液晶上显示，同时显示时间-Achieve voltage conversion and liquid crystal display, and the display time