Communication technology between real time clock device and micro-controller unit isintroduced. By the sample of the DS1616 device made in Dallas Company, the programming methodof communication program with C51 is given.

• 介绍了实时时钟器件与单片机之间的通信技术,并以Dallas公司推出的DS1616器件为例,给出了C51编程实现通信程序的设计方法。