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Communication method using input/output interface, and apparatus therefor

專(zhuān)利號(hào)
US11176078B2
公開(kāi)日期
2021-11-16
申請(qǐng)人
Samsung Electronics Co., Ltd.（KR Suwon-si）
發(fā)明人
Woo Kwang Lee; Dong Rak Shin
IPC分類(lèi)
G06F13/40; G06F13/42; G06F1/3206; H02J7/00
技術(shù)領(lǐng)域
device,electronic,may,usb,pin,external,booster,vbus,interface,processor
地域： Suwon-si

摘要

An electronic device is disclosed. The electronic device comprises: a housing, an input/output interface, which includes a plurality of pogo pins exposed through a portion of the housing, and can be connected to an external device by a wire, an identification circuit, which is electrically connected to the input/output interface to identify the external device, a processor electrically connected to the identification circuit, and a booster electrically connected to the input/output interface to supply power to the external device. In addition, various embodiments understood from the specification are possible.

說(shuō)明書(shū)

According to an embodiment, the electronic device (e.g., the electronic device 100 of FIG. 1 or 2 or the electronic device 200 of FIG. 3) may operate in various states. For example, a USB controller (e.g., the USB controller 111 of FIG. 1) may be in one of L0 to L3 states.

L0 may be in a state of being connected to an external device. When the electronic device in the L0 state acquires an ACK response to the LPM, the electronic device may transition to the L1 state. When the electronic device in the L0 state is in an inactive state for a predetermined time (e.g., 3 ms), the electronic device may transition to the L2 state.

L3 may be a state of being disconnected from the external device. The electronic device in the L3 state may transition to the L1 state by reset and enable. The USB-related specification may be referred to for details of operations in L0 to L3.

Referring back to FIG. 8, when there is no packet exchange for a predetermined time, the electronic device may enter the L2 state, and set a resume signal to enter the L0 mode from the L2 mode.

FIG. 9 is a block diagram of an electronic device 901 in a network environment 900 according to various embodiments.

權(quán)利要求

1
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