摘要
介绍了USB总线通信协议的结构和通信方式的特点,以及用于多个PC机之间通信方面存在的不足,并针对实际应用需求,提出了一种USB接口终端方法来实现系统互联和RS232/422串口扩展,给出了典型系统的实现方案。
The problem of networking two or more computers via their USB ports is analyzed on the basis of introducing its architecture and communication mechanism.Aimed the need of practical application,an innovative USB interface terminal strategy is presented to implement multiUSB system communication and extend the RS232/422 serial ports.
出处
《测控技术》
CSCD
2003年第10期61-63,共3页
Measurement & Control Technology
