一个基于PCF8563芯片的时钟程序。通过51单片机控制PCF8563芯片的初始化，读取和附值-PCF8563 a chip on the clock procedures. Through 51 PCF8563 chip microcontroller control of initialization, reading and the value attached

有关资料的下载链接地址 1. 书中用到的IC芯片的DATASHEET下载地址：http://www.21icsearch.com/so.asp 2. CH341驱动：http://winchiphead.com/download/ 3. STC单片机ISP下载软件：http://www.mcu-memory.com/-http://www.mcu-memory.com/ http://winchiphead.com/download/