【摘要】 介绍了一个高精度多路同步数据采集系统的设计及其在电力系统中的应用,该系统基于GPS同步时钟原理,以MAX125为数据采集芯片,W77E58单片机为控制器,采用两片双口RAM,通过ISA总线与PC机进行数据交换。更多还原

【Abstract】 A high-accurate multi-channel GPS-synchronized sampling system is introduced in this paper. MAX125 is used a s data acquisition chip in this system. High-speed micro-processor W77E58 is t he control ler. And data-exchange between dual-RAM and PC is completed through ISA bus.更多还原