本专题之研究，为使用硬件描述语言VHDL规划成自己所需要的硬件控制电路，配合上FPGA可程序化硬件设备中的相关模组，而发展出一套数位电子钟之控制器实现。-study of the topic, for the use of VHDL hardware descr iption language into their planning the necessary hardware control circuit, coupled with FPGA hardware program to the relevant module, and the development of a set of digital electronic controller minute.