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Universal serial bus (USB) hub for switching downstream ports between host mode and slave mode
Universal serial bus (USB) hub for switching downstream ports between host mode and slave mode
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机译:通用串行总线(USB)集线器,用于在主机模式和从机模式之间切换下游端口
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摘要
Embodiment of present disclosure relates to a Universal Serial Bus (USB) hub for switching downstream ports between host mode and slave mode comprising upstream port connectable to host port of host, downstream port and switching module. The downstream port is connectable to device port of peripheral device and acts in host mode and said device port acts in slave mode. The switching module comprises master port, switching port and control unit. The master port is connectable to upstream port. The switching port is connectable to other end of downstream port, the switching port acts in host mode. The control unit receives switch command from host to switch downstream port from host mode to slave mode; switches switching port to slave mode and enables downstream port to act in the slave mode when host emulates functionality of slave mode as required by peripheral device using vendor specific USB class.
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