PCF8563在智能仪表中应用

The Real Time Clock/calendar PCF8563 and its Application in Intelligent Instrument

文中详细介绍PCF8563芯片的结构、内部寄存器功能及工作时序,说明利用80C51系列单片机对其进行读写操作的方法和程序框图,给出该芯片在智能仪表中的应用实例。

In this paper, the PCF8563 s block diagram, inter register function,I^2C-bus protocol are introcluced. The method and program chart to read/write PCF8563 by 80C51 family microcontroller is described, a typical example of PCF8563 used in intelligent instrument is provided.