PCF8583在热网智能终端中停电记录的实现

在热网智能终端的基础上利用PCF8583日历/时钟芯片实现了停电记录的功能实现,保证了蒸汽计量的公正性.介绍了对该芯片的电路设计、软件设计,以及I²C的程序设计.;In order to ensure the correct measurement of steam flow,the function of power cut record is achieved by combining the PCF8583 Calendar/Time chip (or CPU) into thermal supply network intelligent terminal.The electric circuit and software design of chip (or CPU) and I²C program is presented