摘要
USB是通用串行总线接口,具有速度快、即插即用、接口灵活、独立供电等显著优点。本文讨论USB接口开发技术,采用了Philips公司的PDIUSBD12作为USB接口芯片,进行了USB通信模块的设计以及国件编程,并应用到某智能记录仪,实现了对记录数据的安全传输,具有智能化、小型化、操作简便等特点。
USB is one of the most popular GPIB with the advantages of rapid speed, plug and play, flexible interface and independent power supply. It's introduced USB interface technology and selected PDIUSBDI2 of Philips company as USB interface chip which is used to design the USB communication module which include hardware and firmware program. It's applied to an intelligent recorder and achieved the function of recorded data with safe transmiting. It's intelligent and small, and the operation is very simple.