CN113383326A - 一种具有接口复用功能的集成电路及管脚切换方法 - Google Patents

一种具有接口复用功能的集成电路及管脚切换方法 Download PDF

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Publication number
CN113383326A
CN113383326A CN201980089733.8A CN201980089733A CN113383326A CN 113383326 A CN113383326 A CN 113383326A CN 201980089733 A CN201980089733 A CN 201980089733A CN 113383326 A CN113383326 A CN 113383326A
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China
Prior art keywords
switching
pin
circuit
data
control circuit
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Pending
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CN201980089733.8A
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English (en)
Inventor
刘文学
朱志军
彭亢
黄宽
曾令慧
黄观冰
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN113383326A publication Critical patent/CN113383326A/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Semiconductor Integrated Circuits (AREA)
  • Information Transfer Systems (AREA)

Abstract

本申请实施例公开一种具有接口复用功能的集成电路，包括：多个功能模块、第一管脚、切换电路和控制电路，所述多个功能模块通过所述集成电路的第一管脚提供接口功能，以供外部设备访问所述集成电路；所述多个功能模块通过所述切换电路复用所述第一管脚，以使所述集成电路通过所述第一管脚与所述多个功能模块分别对应的外部设备进行通信；所述控制电路，用于控制所述切换电路将目标功能模块与所述第一管脚相连。通过本方案，能够使多个功能模块通过切换电路复用第一管脚，以及通过控制电路对切换电路进行控制，因此无需为每个功能模块设置相应的管脚，减少了管脚的数量，从而能够减少芯片的成本，以及减小芯片的体积。

Description

PCT国内申请，说明书已公开。

Claims (16)

  1. PCT国内申请，权利要求书已公开。
CN201980089733.8A 2019-05-17 2019-05-17 一种具有接口复用功能的集成电路及管脚切换方法 Pending CN113383326A (zh)

Applications Claiming Priority (1)

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PCT/CN2019/087464 WO2020232582A1 (zh) 2019-05-17 2019-05-17 一种具有接口复用功能的集成电路及管脚切换方法

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CN113383326A true CN113383326A (zh) 2021-09-10

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CN (1) CN113383326A (zh)
WO (1) WO2020232582A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115236438A (zh) * 2022-07-14 2022-10-25 珠海格力电器股份有限公司 一种功能切换电路、功能切换方法及用电设备

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116719256B (zh) * 2023-05-24 2024-07-05 广东匠芯创科技有限公司 接口切换系统、方法、编码器及存储介质

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US5513334A (en) * 1994-06-27 1996-04-30 Microchip Technologies, Inc. Memory device with switching of data stream modes
US20020153923A1 (en) * 2001-04-18 2002-10-24 Cygnal Integrated Products, Inc. Ic with digital and analog circuits and mixed signal i/o pins
US20030068052A1 (en) * 2001-10-09 2003-04-10 Sendelweck Gene Karl Dual use of an integrated circuit pin and the switching of signals at said pin
WO2007079660A1 (fr) * 2006-01-06 2007-07-19 Huawei Technologies Co., Ltd. Puce microprocesseur et système de commande de mémoire, procédé correspondant
CN101136005A (zh) * 2007-09-29 2008-03-05 中兴通讯股份有限公司 终端芯片管脚复用装置
WO2009118582A1 (en) * 2008-03-27 2009-10-01 Sony Ericsson Mobile Communications Ab Multiplex mobile high-definition link (mhl) and usb 3.0
CN103136138A (zh) * 2011-11-24 2013-06-05 炬力集成电路设计有限公司 一种芯片、芯片调试方法以及芯片与外部设备通信的方法
CN106201929A (zh) * 2016-07-22 2016-12-07 恒宝股份有限公司 一种usb接口复用电路及使用方法
CN107635069A (zh) * 2017-09-27 2018-01-26 广东欧珀移动通信有限公司 Uart与usb复用电路以及移动终端
CN108475227A (zh) * 2016-03-31 2018-08-31 华为技术有限公司 测试功能组件及数据调试方法

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* Cited by examiner, † Cited by third party
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CN102750252B (zh) * 2012-05-29 2016-06-29 惠州Tcl移动通信有限公司 Usb/uart接口复用电路及使用该电路的电子设备
CN105005541A (zh) * 2015-07-13 2015-10-28 山东超越数控电子有限公司 一种计算机上usb、ps/2接口复用的电路及方法

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5101498A (en) * 1987-12-31 1992-03-31 Texas Instruments Incorporated Pin selectable multi-mode processor
US5513334A (en) * 1994-06-27 1996-04-30 Microchip Technologies, Inc. Memory device with switching of data stream modes
US20020153923A1 (en) * 2001-04-18 2002-10-24 Cygnal Integrated Products, Inc. Ic with digital and analog circuits and mixed signal i/o pins
US20030068052A1 (en) * 2001-10-09 2003-04-10 Sendelweck Gene Karl Dual use of an integrated circuit pin and the switching of signals at said pin
WO2007079660A1 (fr) * 2006-01-06 2007-07-19 Huawei Technologies Co., Ltd. Puce microprocesseur et système de commande de mémoire, procédé correspondant
CN101136005A (zh) * 2007-09-29 2008-03-05 中兴通讯股份有限公司 终端芯片管脚复用装置
WO2009118582A1 (en) * 2008-03-27 2009-10-01 Sony Ericsson Mobile Communications Ab Multiplex mobile high-definition link (mhl) and usb 3.0
CN103136138A (zh) * 2011-11-24 2013-06-05 炬力集成电路设计有限公司 一种芯片、芯片调试方法以及芯片与外部设备通信的方法
CN108475227A (zh) * 2016-03-31 2018-08-31 华为技术有限公司 测试功能组件及数据调试方法
CN106201929A (zh) * 2016-07-22 2016-12-07 恒宝股份有限公司 一种usb接口复用电路及使用方法
CN107635069A (zh) * 2017-09-27 2018-01-26 广东欧珀移动通信有限公司 Uart与usb复用电路以及移动终端

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115236438A (zh) * 2022-07-14 2022-10-25 珠海格力电器股份有限公司 一种功能切换电路、功能切换方法及用电设备

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