WO2006060527A2 - Usb on-the-go controller - Google Patents

Usb on-the-go controller Download PDF

Info

Publication number
WO2006060527A2
WO2006060527A2 PCT/US2005/043396 US2005043396W WO2006060527A2 WO 2006060527 A2 WO2006060527 A2 WO 2006060527A2 US 2005043396 W US2005043396 W US 2005043396W WO 2006060527 A2 WO2006060527 A2 WO 2006060527A2
Authority
WO
WIPO (PCT)
Prior art keywords
otg
control unit
usb
software
controller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2005/043396
Other languages
French (fr)
Other versions
WO2006060527A3 (en
Inventor
Kay Hesse
Sven Mueller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Advanced Micro Devices Inc
Original Assignee
Advanced Micro Devices Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE102004057756A external-priority patent/DE102004057756B4/en
Application filed by Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Priority to JP2007544489A priority Critical patent/JP5085334B2/en
Priority to CN2005800405488A priority patent/CN101065740B/en
Priority to EP05852585A priority patent/EP1817677B1/en
Priority to KR1020077012156A priority patent/KR101118558B1/en
Publication of WO2006060527A2 publication Critical patent/WO2006060527A2/en
Publication of WO2006060527A3 publication Critical patent/WO2006060527A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F13/382—Information transfer, e.g. on bus using universal interface adapter
    • G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices

Landscapes

  • 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

A USB (Universal Serial Bus) controller technique for implementing OTG (On-The-Go) functionality is provided. The device may have an EHCI (Enhanced Host Controller Interface) compliant host control unit, and an OTG control unit to implement an OTG state machine partly in hardware and partly in software. The OTG control unit may have an OTG control register and an OTG status register which are accessible by software. Further, the USB controller device may have a device control unit to implement device functionality and a port multiplexer to assign a physical port to either the host or the device control unit. The OTG control unit may be comprised in the port multiplexer. Further, a software driver may read the OTG status register in response to receiving an interrupt from the USB controller device, and write to the OTG control register to force the USB controller device to change its OTG state.

Description


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Claims

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PCT/US2005/043396 2004-11-30 2005-11-29 Usb on-the-go controller Ceased WO2006060527A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2007544489A JP5085334B2 (en) 2004-11-30 2005-11-29 USB / OTG controller
CN2005800405488A CN101065740B (en) 2004-11-30 2005-11-29 USB portable (On-The-Go) controller
EP05852585A EP1817677B1 (en) 2004-11-30 2005-11-29 Usb on-the-go controller
KR1020077012156A KR101118558B1 (en) 2004-11-30 2005-11-29 Usb on-the-go controller

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102004057756A DE102004057756B4 (en) 2004-11-30 2004-11-30 USB control device with OTG control unit
DE102004057756.0 2004-11-30
US11/230,979 US8180947B2 (en) 2004-10-29 2005-09-20 USB on-the-go controller
US11/230,979 2005-09-20

Publications (2)

Publication Number Publication Date
WO2006060527A2 true WO2006060527A2 (en) 2006-06-08
WO2006060527A3 WO2006060527A3 (en) 2006-09-08

Family

ID=36354011

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/043396 Ceased WO2006060527A2 (en) 2004-11-30 2005-11-29 Usb on-the-go controller

Country Status (3)

Country Link
EP (1) EP1817677B1 (en)
KR (1) KR101118558B1 (en)
WO (1) WO2006060527A2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008022141A (en) * 2006-07-11 2008-01-31 Ricoh Co Ltd Wireless communication terminal and terminal information server
CN115017073A (en) * 2021-03-05 2022-09-06 龙芯中科技术股份有限公司 Communication controller enabling method and device, electronic equipment and storage medium

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104778144B (en) * 2015-04-21 2018-06-19 广东欧珀移动通信有限公司 OTG-based intelligent terminal operation control method and device
KR101717202B1 (en) 2015-08-21 2017-03-17 (주)볼트마이크로 Host device, peripheral device, iotfi system and method thereof
KR102818458B1 (en) 2020-07-29 2025-06-10 삼성전자주식회사 Electronic device for prodiving power and operating method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6675305B1 (en) * 2000-08-04 2004-01-06 Synopsys, Inc. Power saving in a USB peripheral by providing gated clock signal to CSR block in response to a local interrupt generated when an operation is to be performed
DE10211054A1 (en) 2002-03-13 2003-10-09 Advanced Micro Devices Inc USB host controller
JP3722217B2 (en) 2002-04-26 2005-11-30 セイコーエプソン株式会社 Data transfer control device, electronic device, and data transfer control method
DE10234991B4 (en) * 2002-07-31 2008-07-31 Advanced Micro Devices, Inc., Sunnyvale Host controller diagnostics for a serial bus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
YARRA S: "ELEKTRONIK", vol. 52, 4 March 2003, WEKA FACHZEITSCHRIFTENVERLAG, article "ON THE GO - USB-GERATE OHNE HOST BETREIBEN - ERWEITERUNG DES USB-2.0-STANDARDS", pages: 70 - 75

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008022141A (en) * 2006-07-11 2008-01-31 Ricoh Co Ltd Wireless communication terminal and terminal information server
CN115017073A (en) * 2021-03-05 2022-09-06 龙芯中科技术股份有限公司 Communication controller enabling method and device, electronic equipment and storage medium
CN115017073B (en) * 2021-03-05 2023-08-29 龙芯中科技术股份有限公司 Enabling method and device of communication controller, electronic equipment and storage medium

Also Published As

Publication number Publication date
KR101118558B1 (en) 2012-02-20
EP1817677B1 (en) 2013-03-13
KR20070085550A (en) 2007-08-27
EP1817677A2 (en) 2007-08-15
WO2006060527A3 (en) 2006-09-08

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