PCF8563在电子时钟设计中的应用

Application of PCF8563 in electronic clock design

PCF8563是一款内置I2C总线接口、功耗极低的工业级多功能时钟/日历器件。采用AT89S52单片机、PCF8563时钟/日历器件及HS12864液晶显示器设计电子时钟系统,实现时间、日期的显示和调整功能。并给出相应的硬件接口电路和软件程序。该系统成本低,硬件简单,采用C语言编程,易于实现系统移植,可广泛用于机床、车辆、电话机、传真机、便携式仪器等设备。

PCF8563 is an industrial grade low power loss time/calendar chip, it contains the I^2C bus interface.An electronic clock system is designed with AT89S52 single-chip microcontroller, PCF8563,and LCD HSI2864.The system design realizes the date,time display and adjustment function.The hardware interface circuit and the main code are given.The electronic clock is low-cost,simple hardware;language C for programming,easy to achieve system migration.The system is widely used in machine tools,vehicles, telephones, fax machines, portable instruments and so on.