Patent ID: 11914491
Assignee: VIA LABS, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 16:
17. An operating method for a USB integrated circuit, comprising:
transmitting a differential signal between the USB integrated circuit and an outside device through a first USB port physical layer circuit of the USB integrated circuit;
when the USB integrated circuit operates in a testing mode, electrically connecting a first lane adapter of the USB integrated circuit to the first USB port physical layer circuit through a routing circuit of the USB integrated circuit, wherein the routing circuit is coupled to the first USB port physical layer circuit and the first lane adapter, and a USB transport layer circuit of the USB integrated circuit is coupled to the first lane adapter; and
when the USB integrated circuit operates in a working mode, electrically connecting a second lane adapter of the USB integrated circuit to the first USB port physical layer circuit through the routing circuit, wherein the routing circuit and the USB transport layer circuit are coupled to the second lane adapter.