本文在结合嵌入式实时操作系统VxWorks 和PCI 总线的特点的基础上，介绍了PCI 总线驱动设计的过程，并从充分应

用VxWorks 卓越的实时性和PCI 总线灵活的扩展性的角度出发，给出了有一定工程参考价值的建议。-This paper, on the basis of combination of embedded real-time operating system VxWorks and the characteristics of the PCI bus, introduces the PCI bus driver design process, and departure from the full application of the excellence VxWorks real-time and flexible PCI bus scalability point of view, given the some engineering reference value of the proposal.