摘要
应用EDA技术设计了基于FPGA的串口集线器硬件电路,并用微软发布的DDK编写了驱动程序,实现了单个串口至多个串口的扩展。多个串口设备可以通过一个上游串口与计算机进行通信。
This paper design a FPGA-based RS232 hub by using EDA techenoligy,meanwhie developed a hub driver making use DDK issued by Microsoft,the extension of COM conections.Multi-RS232 devices can communicate with computer via one RS232 port.
出处
《工业控制计算机》
2008年第9期54-55,共2页
Industrial Control Computer