The frame of the configuration space configuration header, configuration theory and access method for PCI bus devices are introduced in this paper.
介绍了PCI总线设备的配置空间配置头的结构及其配置原理，给出了配置空间的访问方法；
PCI bus is a computer local bus. supporting "Plug and Play" in interruption. This paper introduces the configuration space and configuration cycle, and gives an approach to design IO interruption.
PCI总线是一种微机局部总线，在中断上支持即插即用，本文介绍了PCI总线的配置空间和配置周期，并着重讨论了中断实现的方法。
应用推荐