USB ROUTING INTEGRATED CIRCUIT WITH MULTIPLE USB UPSTREAM PORTS AND OPERATION METHOD THEREOF

Abstract: disclosed are a usb routing integrated circuit (ic) with multiple usb upstream ports and operation method thereof. the usb routing ic includes a first usb upstream port, a second usb upstream port, a usb downstream port, a video output port, a first multiplexer, a second multiplexer, a first switching circuit and a second switching circuit. the first multiplexer is coupled to the first usb upstream port. the second multiplexer is coupled to the second usb upstream port. the first switching circuit is coupled between the first multiplexer and the usb downstream port. the first switching circuit is coupled between the second multiplexer and the usb downstream port. the second switching circuit is coupled between the first multiplexer and the video output port. the second switching circuit is coupled between the second multiplexer and the video output port.

Inventor(s): Terrance Shiyang Shih, Nai-Chuan Hung, Chin-Sung Hsu

CPC Classification: G06F13/4022 (ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models ))

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