此程式是用LCD来显示数字时钟,当加上电源后LCD屏幕上第一行会显示时间部分,第二行会显示日期部分-this program is used to demonstrate LCD digital clock, When coupled with the LCD screen after the power is on the first trip will show that the part of the second line will show the date of

涉及液晶显示屏的驱动程序，显示程序，以及时钟芯片的工作程序。-Involved in liquid crystal display driver, display program, as well as the clock chip work procedures.