基于FPGA的多功能数字钟的设计与实现 内附有详尽的Verilog HDL源码，其功能主要有：时间设置，时间显示，跑表，分频，日期设置，日期显示等-There FPGA-based design and implementation of multi-functional digital clock containing detailed Verilog HDL source code and its function are: time setting, time display, stopw