本C原程序是C51编写的美国Dallas公司推出的跨越2000年的时钟芯片DS12887/DS12C887的驱动程序，包括初始化和其他子函数，注释简单易懂。程序在KEIL下编译成功，成功应用于实践。-the C C51 original program is prepared by the United States Dallas introduced by the company in 2000 across-the clock DS12887/DS12C887 films of the driver, including the initialization and other function, Notes simple and understandable. Under procedures in KEIL compiler successful, successfully applied in practice.