实验目的：理解LED七段数码管的显示控制原理，掌握数码管与MCU的接口技术，能够编写数码管显示驱动程序；熟悉接口程序调试方法。

实验内容：利用C8051F310单片机控制数码管显示器

基本要求：

利用末位数码管循环显示数字0-9，显示切换频率为1Hz。

提高要求：

　　　在4位数码管显示器上依次显示当天日期和时间，显示格式如下：

　　　yyyy (年份)

　　　mm.dd（月份.日）

hh.mm（小时.分钟）-The purpose of the experiment: to understand the principle of LED seven segment LED display control, and master digital tube with the MCU interface technology, the ability to write digital tube display driver　familiar with the interface program debugging method.

Experiment: C8051F310 microcontroller to control digital tube display

Basic requirements:

        The bottom digital pipe loop to display the numbers 0-9, the switching frequency of 1 Hz.

Improve requirements:

Four digital tube display sequentially display the current date and time display format is as follows:

yyyy (Year)

mm.dd (month, day)

hh.mm (hours minutes)