RTC实时时钟(DS1302) 驱动程序的编写以及实现数字字符在数码管中的显示-RTC real time clock (DS1302) preparation of the driver as well as the digital characters in digital tube display

了解 DS1302时钟芯片的基本原理和使用，掌握DS1302时钟芯片驱动程序的编写以及实现数字字符在数码管中的显示。-Learn the basic principles DS1302 clock chip and use master DS1302 clock chip driver for the preparation and the realization of numeric characters in the digital tube display.