CN106233271A - 一种usb otg设备的识别系统及装置 - Google Patents

一种usb otg设备的识别系统及装置 Download PDF

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Publication number
CN106233271A
CN106233271A CN201480078386.6A CN201480078386A CN106233271A CN 106233271 A CN106233271 A CN 106233271A CN 201480078386 A CN201480078386 A CN 201480078386A CN 106233271 A CN106233271 A CN 106233271A
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signal pins
usb
otg equipment
terminal device
voltage
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CN201480078386.6A
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CN106233271B (zh
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胡征远
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/42Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4282Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
    • G06F13/4295Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus using an embedded synchronisation

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Transfer Systems (AREA)

Abstract

本发明实施例提供了一种USB OTG设备的识别方法,包括:终端设备和OTG设备;终端设备包括处理器、第一USB连接器、第一电阻,处理器包括ADC、GPIO模块和USB_PHY模块,第一USB连接器的管脚中包括第一ID信号管脚;第一ID信号管脚一端分别与ADC和GPIO模块连接,并通过第一电阻与电源连接,第一ID信号管脚另一端与OTG设备连接;OTG设备包括:第二USB连接器,第二USB连接器的管脚中包括第二ID信号管脚,第二ID信号管脚一端与第一ID信号管脚连接,第二ID信号管脚另一端通过第二电阻接地。采用本发明可支提高识别OTG设备的灵活性,增强终端设备与OTG设备的数据交互的便捷性。

Description

PCT国内申请,说明书已公开。

Claims (13)

  1. PCT国内申请,权利要求书已公开。
CN201480078386.6A 2014-12-25 2014-12-25 一种usb otg设备的识别系统及装置 Active CN106233271B (zh)

Applications Claiming Priority (1)

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PCT/CN2014/094966 WO2016101215A1 (zh) 2014-12-25 2014-12-25 一种usb otg设备的识别系统及装置

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CN106233271A true CN106233271A (zh) 2016-12-14
CN106233271B CN106233271B (zh) 2019-06-07

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EP (1) EP3229146B1 (zh)
JP (1) JP6434630B2 (zh)
CN (1) CN106233271B (zh)
WO (1) WO2016101215A1 (zh)

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* Cited by examiner, † Cited by third party
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CN106532310A (zh) * 2016-12-13 2017-03-22 北京小米移动软件有限公司 改进的标准usb接口、usb结构和终端
CN108270254A (zh) * 2016-12-30 2018-07-10 维沃移动通信有限公司 一种终端设备的供电方法及移动终端
CN106711646A (zh) * 2017-01-23 2017-05-24 北京小米移动软件有限公司 Type‑C接头和连接线
CN109086235B (zh) * 2018-08-10 2020-09-22 深圳市吉影科技有限公司 一种水下通用设备检测识别及控制方法和系统

Citations (5)

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CN101221546A (zh) * 2007-01-12 2008-07-16 奇岩电子股份有限公司 可自动检测通用串行总线主机或外围设备的装置
US20090198841A1 (en) * 2008-02-06 2009-08-06 Matsushita Electric Industrial Co., Ltd. Interface detecting circuit and interface detecting method
CN103064489A (zh) * 2011-10-21 2013-04-24 华为终端有限公司 一种根据usb接口状态进行内部电路选择的方法及终端
CN103186483A (zh) * 2011-12-27 2013-07-03 比亚迪股份有限公司 终端、用于其的otg功能和充电功能的并行执行方法
CN103365388A (zh) * 2012-04-09 2013-10-23 华为终端有限公司 一种终端设备的供电方法及其终端设备

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JP2005103992A (ja) * 2003-09-30 2005-04-21 Casio Electronics Co Ltd 印刷装置
US7734841B2 (en) * 2006-06-30 2010-06-08 Palm, Inc. System and method for providing serial bus connectivity
JP4961999B2 (ja) * 2006-12-25 2012-06-27 株式会社ニコン 電子機器
CN101359316B (zh) * 2007-08-03 2010-06-30 联芯科技有限公司 一种实现通用串行总线usb otg的方法及装置
US8275914B2 (en) * 2008-10-16 2012-09-25 Silicon Image, Inc. Discovery of connections utilizing a control bus
JP2012208897A (ja) * 2011-03-30 2012-10-25 Semiconductor Components Industries Llc 入出力回路
US9395780B2 (en) * 2011-04-21 2016-07-19 Texas Instruments Incorporated USB bridge circuit gating RID—A and RID—GND for IDGND
CN103559149A (zh) * 2013-10-30 2014-02-05 上海斐讯数据通信技术有限公司 Usb otg双角色设备工作方式切换的方法及系统

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101221546A (zh) * 2007-01-12 2008-07-16 奇岩电子股份有限公司 可自动检测通用串行总线主机或外围设备的装置
US20090198841A1 (en) * 2008-02-06 2009-08-06 Matsushita Electric Industrial Co., Ltd. Interface detecting circuit and interface detecting method
CN103064489A (zh) * 2011-10-21 2013-04-24 华为终端有限公司 一种根据usb接口状态进行内部电路选择的方法及终端
CN103186483A (zh) * 2011-12-27 2013-07-03 比亚迪股份有限公司 终端、用于其的otg功能和充电功能的并行执行方法
CN103365388A (zh) * 2012-04-09 2013-10-23 华为终端有限公司 一种终端设备的供电方法及其终端设备

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Publication number Publication date
JP2018500684A (ja) 2018-01-11
EP3229146B1 (en) 2022-10-26
JP6434630B2 (ja) 2018-12-05
EP3229146A4 (en) 2017-12-20
WO2016101215A1 (zh) 2016-06-30
CN106233271B (zh) 2019-06-07
EP3229146A1 (en) 2017-10-11

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