本文档采用VHDL语言编写了一个数字时钟的程序，该数字时钟采用24小时制计时，可以实现整点报时，时间设置，闹钟等功能。最小分辨率为1秒。-VHDL language in this document using a digital clock to prepare the procedure, the digital clock 24-hour time system, you can bring the whole point of time, time settings, alarm clo