Interface circuit, chip containing interface circuit and manufacturing method thereof

摘要

Disclosed is an interface circuit, a chip containing an interface circuit and a manufacturing method thereof. The interface circuit includes an I/O processing sub-circuit, a path selection sub-circuit, and at least two I/O ports. The I/O processing sub-circuit, the path selection sub-circuit, and the at least two I/O ports are electrically connected in sequence. The path selected by the path selection sub-circuit can enable a first and a second electrical signal to be transmitted through the I/O ports that are configured to correspond to the ports of the external device through which the first and second electrical signals are transmitted. That is, the path selection sub-circuit can customize the layout of the signal-input/output I/O ports of the interface circuit according to the layout of the ports of the external device.