摘要
大屏幕显示的时间日历钟的制作 ,要从元器件的选取、电路的设计制作、程序的调试等多个环节进行 ,而所用的时钟日历芯片DS12C887具有精度高、功能强、接口简单的特点 ,使本系统电路简化 ,编程方便 ,性价比高 ,同时功能也很强。
The essay demonstrated the manufacturing process of the time calendar clock with large screen display. Debugging of design making, procedure of choosing from the components and parts, circuit, every link has a detailed introduction. Clock calendar that used chip DS12C887 has the characteristics of literal precision,that made simplitied circuit,convenient programming.