通过对设计电子钟的设计了解89C51,PCF8563及液晶显示的工作原理与编程方法.通过单片机控制应用时钟芯片8563和串口液晶,实现电子钟。要求显示年、月、日、时、分、秒。-Through the design of electronic bell design understanding 89C51, PCF8563 and the working principle of liquid crystal display and programming methods. Singlechip control applications through 8563 and serial clock chip LCD, electronic bell. Request shows year, month, day, hour, minute, second.