公开(公告)号：US20180032350A1

公开(公告)日：2018-02-01

申请号：US15663151

申请日：2017-07-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Woo Kwang LEE ,  One Gun LEE ,  Woo Jin KIM ,  Dong Rak SHIN

IPC: G06F9/44

Abstract: An electronic device is provided that includes a connector configured to connect to an external electronic device that includes a recognition pin for sensing the connection, a connection configuration module configured to control an operation of the connector by using the recognition pin, and a processor configured to control the connector and the connection configuration module, wherein the processor is configured to, if the external electronic device is connected to the connector, verify through the recognition pin whether communication of a power delivery (PD) message is possible, and perform at least one of switching of a role associated with power supply of the electronic device or switching of a role associated with data transfer thereof by using at least one of a way to convey the PD message or a way to change a resistor connected to the recognition pin, depending on whether communication of the PD message is possible.