Patent ID: 8554977

Claim:
An integrated circuit for accessing a universal serial bus (USB) device via a USB 3.0 receptacle, comprising: a plurality of pins coupled to the USB 3.0 receptacle via a plurality of leads, comprising: a first group, coupling to a first pair of differential pins of the USB 3.0 receptacle, wherein the first pair of differential pins correspond to USB 2.0 signals of the USB device; a second group, coupling to a second pair of differential pins of the USB 3.0 receptacle, wherein the second pair of differential pins correspond to USB 3.0 signals of the USB device; a third group, coupling to a third pair of differential pins of the USB 3.0 receptacle, wherein the third pair of differential pins correspond to USB 3.0 signals of the USB device, and the second group is disposed between the first group and the third group; a ground pin, disposed between the second group and the third group; a first power pin, adjoined to the first group; and a second power pin, adjoined to the third group; and a controlling unit, controlling the plurality of pins to receive or transmit the USB 2.0 signals and the USB 3.0 signals.