US 12,001,378 B2
Electronic device for communicating with external device through USB interface and operation method therefor
Shinho Kim, Suwon-si (KR); and Sangmin Hong, Suwon-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Aug. 16, 2022, as Appl. No. 17/889,103.
Application 17/889,103 is a continuation of application No. PCT/KR2022/011794, filed on Aug. 8, 2022.
Claims priority of application No. 10-2021-0128506 (KR), filed on Sep. 29, 2021.
Prior Publication US 2023/0096038 A1, Mar. 30, 2023
Int. Cl. G06F 13/42 (2006.01)
CPC G06F 13/4282 (2013.01) [G06F 2213/0042 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electronic device comprising:
an application processor internally comprising both a first embedded universal serial bus (eUSB) device configured to perform an eUSB function, and a processor configured to control the first eUSB device;
a repeater configured to be electrically connectable between the first eUSB device and an external device; and
an identification circuit separately coupled to the application processor, the repeater, and the external device;
wherein the processor is configured to:
monitor to detect a connection of the external device to the electronic device,
identify a mode related to an operation speed of the external device, and
based on the identification that the mode is a full speed (FS) mode or a low speed (LS) mode, control a first signal to be transmitted or received in a high speed (HS) mode between the first eUSB device and the repeater by controlling the repeater to operate in the HS mode through a reset signal and a second signal to be transmitted or received between the repeater and the external device in the identified FS mode or LS mode.