VHDL编写的分频器。用于将50MHz的时钟脉冲分频成一个500Hz的扫描时钟和1Hz的秒脉冲。与我的其它8个模块配套构成一个数字钟。-Programmed with VHDL.A clock distributer which generates a 500Hz scaning clock and a 1Hz second impulse. It is one of my total 9 modules that are used to design a digital clock.