CN111201522A - 通用串行总线设备和通用串行总线设备的省电方法 - Google Patents

通用串行总线设备和通用串行总线设备的省电方法 Download PDF

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Publication number
CN111201522A
CN111201522A CN201780095777.2A CN201780095777A CN111201522A CN 111201522 A CN111201522 A CN 111201522A CN 201780095777 A CN201780095777 A CN 201780095777A CN 111201522 A CN111201522 A CN 111201522A
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China
Prior art keywords
usb
functional entity
activation signal
interface
power consumption
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Pending
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CN201780095777.2A
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English (en)
Inventor
刘宇
王炳辉
王纪会
曲鹏程
顾正明
朱顺吉
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN111201522A publication Critical patent/CN111201522A/zh
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Sources (AREA)
  • Telephone Function (AREA)

Abstract

本申请提供USB设备以及USB设备的省电方法，该USB设备包括：USB功能实体、USB接口控制器、数据接口和配置接口；该USB功能实体，耦合至该数据接口，用于在激活状态下通过数据接口与该USB对端设备交互数据，并能够从该激活状态进入低功耗状态；该USB接口控制器，耦合至该配置接口，用于在该USB功能实体处于该低功耗状态的情况下，通过该配置接口从该USB对端设备接收激活信号，并在该激活信号的作用下激发该USB功能实体；该USB功能实体，还用于在该激发下，从该低功耗状态恢复为该激活状态。该USB功能实体在进入该低功耗状态的情况下，可以减少该USB设备的耗电量。

Description

PCT国内申请，说明书已公开。

Claims (29)

  1. PCT国内申请，权利要求书已公开。
CN201780095777.2A 2017-10-13 2017-10-13 通用串行总线设备和通用串行总线设备的省电方法 Pending CN111201522A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/106089 WO2019071577A1 (zh) 2017-10-13 2017-10-13 通用串行总线设备和通用串行总线设备的省电方法

Publications (1)

Publication Number Publication Date
CN111201522A true CN111201522A (zh) 2020-05-26

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CN201780095777.2A Pending CN111201522A (zh) 2017-10-13 2017-10-13 通用串行总线设备和通用串行总线设备的省电方法

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CN (1) CN111201522A (zh)
WO (1) WO2019071577A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111159068B (zh) * 2019-12-30 2022-04-22 联想(北京)有限公司 信息处理方法和电子设备

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080215765A1 (en) * 2007-03-02 2008-09-04 Microchip Technology Incorporated Detecting Connection to a USB Host or Hub Without Using an Extra Status Input
CN101727428A (zh) * 2008-10-30 2010-06-09 三星电子株式会社 控制便携式终端中usb开关电路的设备和方法
CN101938818A (zh) * 2010-08-30 2011-01-05 中兴通讯股份有限公司 基于usb的双向唤醒的方法、设备及系统
CN104777891A (zh) * 2015-04-13 2015-07-15 广东欧珀移动通信有限公司 一种应用于智能终端的otg连接控制方法和连接控制装置
CN105630724A (zh) * 2016-01-27 2016-06-01 深圳慧能泰半导体科技有限公司 一种USB Type-C系统控制电路
CN107077183A (zh) * 2015-06-19 2017-08-18 赛普拉斯半导体公司 Type‑C连接器子系统的低功率实现

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101470689A (zh) * 2007-12-25 2009-07-01 大唐移动通信设备有限公司 一种基于usb的双向睡眠唤醒方法及装置
CN101308399B (zh) * 2008-06-23 2010-07-07 北京中星微电子有限公司 通用串行总线设备选择休眠的实现方法及相关的装置
US8078768B2 (en) * 2008-08-21 2011-12-13 Qualcomm Incorporated Universal Serial Bus (USB) remote wakeup

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080215765A1 (en) * 2007-03-02 2008-09-04 Microchip Technology Incorporated Detecting Connection to a USB Host or Hub Without Using an Extra Status Input
CN101727428A (zh) * 2008-10-30 2010-06-09 三星电子株式会社 控制便携式终端中usb开关电路的设备和方法
CN101938818A (zh) * 2010-08-30 2011-01-05 中兴通讯股份有限公司 基于usb的双向唤醒的方法、设备及系统
CN104777891A (zh) * 2015-04-13 2015-07-15 广东欧珀移动通信有限公司 一种应用于智能终端的otg连接控制方法和连接控制装置
CN107077183A (zh) * 2015-06-19 2017-08-18 赛普拉斯半导体公司 Type‑C连接器子系统的低功率实现
CN105630724A (zh) * 2016-01-27 2016-06-01 深圳慧能泰半导体科技有限公司 一种USB Type-C系统控制电路

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Application publication date: 20200526