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利用PCI总线协议和双向FIFO缓冲器,开发一种高速运动控制卡,实现处理机与控制卡之间高速双向并行通信,介绍了其硬件结构,讨论了利用Windriver时PCI卡的访问方法。
Using PCI bus protocol and bidirectional FIFO buffer, a high-speed motion control card is developed to realize high-speed bi-directional parallel communication between processor and control card. The hardware structure is introduced. The access method of PCI card when using Windriver is discussed.