计时器的vhdl码 -timer code in vhdl

上传个EDA得VHDL语言编程得秒计时器，希望对大家能有所帮助 谢谢了-From months EDA was VHDL language programming a second timer, I hope all of you can help I would like to thank the

数字钟是采用数字电路实现“时”、“分”、“秒”数字显示的计时装置。由于数字集成电路的发展和石英晶体震荡器的使用，使得数字钟的精度、稳定度远远超过了机械钟表，已成为人们日常生活中必不可少的必需品。-Digital Clock is a digital circuit implementation, " when" , " sub" , " second" The figures show that the timing device. Digita