PCF8563 是低功耗的 CMOS 实时时钟， 日历芯片， 它提供一个可编程时钟输出 ，一个中断输出和掉电检测器， 所有的地址和数据通过I2C 总线接口串行传递， 最大总线速度为 400Kbits/s， 每次读写数据后内嵌的字地址寄存器会自动产生增量 。本文件夹包括PCF8563的应用资料和C语言的程序资料。

-PCF8563 is a low-power CMOS real time clock, calendar chip, it provides a programmable clock output, an interrupt output and power-down detector, all of the address and data transmission through the I2C serial bus interface, the maximum bus speed is 400Kbits/s every time the word read and write data embedded increment address register is automatically generated. This folder contains the application data PCF8563 information on the procedures and C language.