A simpler method have been introduced for USB communication,which made the USB easy and swift to develop,andhavingcertain practicability,moreoverhavingreference fordesigning data acquisition system based on USB.

• 介绍一种较简单的USB通信的方法；使得USB的开发更为方便和快捷；具有一定的实用性；并对利用USB数据采集系统设计有参考和借鉴意义.