As a network bridge, communication controller is the interface device which realize the function of communication between supervise PC and field bus.
总线控制器作为管理计算机与现场总线的接口装置，起到了管理计算机与智能仪表数据双向传输的网桥作用。
After analyzing the USB Device Controller function requirements, the thesis divides the system into several sub-modules by the way of TOP-DOWN.
在对usb设备控制器的功能进行详细的分析后，采用自顶向下的方法划分系统模块。
After analyzing the USB Device Controller function requirements, the thesis divides the system into several sub-modules by the way of TOP-DOWN.
在对usb设备控制器的功能进行详细的分析后，采用自顶向下的方法划分系统模块。
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