Patent ID: 8347017

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, receiving and transmitting a first pair of differential signals of the USB device, wherein the first pair of differential signals correspond to USB 2.0 signals of the USB device; a second group, receiving a second pair of differential signals from the USB device, wherein the second pair of differential signals correspond to USB 3.0 signals of the USB device; and a third group, transmitting a third pair of differential signals to the USB device, wherein the third pair of differential signals 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 first pin, disposed between the first group and the second group; a second pin, disposed between the second group and the third group; and a controlling unit, controlling the plurality of pins to receive or transmit the first, second or third pair of differential signals, wherein the first pin is a power pin or a ground pin and the second pin is a ground pin.