说明：  多功能数字钟设计 一、设计任务： （一）主体功能 用HDL设计一个多功能数字钟，包含以下主要功能： 1.计时及校时，时间可以24小时制或12小时制显示 2.日历：显示年月日星期，及设定设定功能 3.跑表：启动/停止/保持显示/清除 4.闹钟：设定闹钟时间，整点提示
(multifunctional design of a digital clock, design tasks : (1) the main function of HDL design with a multi-function digital clock, includes the following main functions : 1. metering and school, time can be 24 hours or 12 two-hour show. Calendar : Displays date weeks, Setting function and 3. stopwatch : start/stop/maintain Display/4 clearance. alarm clocks : Set an alarm time. suggested the whole point)