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GB2465801B - Method and apparatus for providing data access - Google Patents

Method and apparatus for providing data access

Info

Publication number
GB2465801B
GB2465801B GB0821886A GB0821886A GB2465801B GB 2465801 B GB2465801 B GB 2465801B GB 0821886 A GB0821886 A GB 0821886A GB 0821886 A GB0821886 A GB 0821886A GB 2465801 B GB2465801 B GB 2465801B
Authority
GB
United Kingdom
Prior art keywords
data access
providing data
providing
access
data
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.)
Active
Application number
GB0821886A
Other versions
GB2465801A (en
GB0821886D0 (en
Inventor
Marek Piekarski
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.)
Micron Technology Inc
Original Assignee
Micron Technology 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
Application filed by Micron Technology Inc filed Critical Micron Technology Inc
Priority to GB0821886A priority Critical patent/GB2465801B/en
Priority to US12/328,381 priority patent/US9880954B2/en
Publication of GB0821886D0 publication Critical patent/GB0821886D0/en
Priority to PCT/GB2009/002751 priority patent/WO2010063985A1/en
Publication of GB2465801A publication Critical patent/GB2465801A/en
Application granted granted Critical
Publication of GB2465801B publication Critical patent/GB2465801B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G06F13/10—Program control for peripheral devices
    • G06F13/105—Program control for peripheral devices where the programme performs an input/output emulation function
    • 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
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/28—Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal
    • 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
    • G06F13/40—Bus structure
    • G06F13/4004—Coupling between buses
    • G06F13/4022—Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
GB0821886A 2008-12-01 2008-12-01 Method and apparatus for providing data access Active GB2465801B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB0821886A GB2465801B (en) 2008-12-01 2008-12-01 Method and apparatus for providing data access
US12/328,381 US9880954B2 (en) 2008-12-01 2008-12-04 Method and apparatus for providing data access
PCT/GB2009/002751 WO2010063985A1 (en) 2008-12-01 2009-11-26 Method and apparatus for i/o device virtualization

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0821886A GB2465801B (en) 2008-12-01 2008-12-01 Method and apparatus for providing data access

Publications (3)

Publication Number Publication Date
GB0821886D0 GB0821886D0 (en) 2009-01-07
GB2465801A GB2465801A (en) 2010-06-02
GB2465801B true GB2465801B (en) 2014-05-14

Family

ID=40262446

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0821886A Active GB2465801B (en) 2008-12-01 2008-12-01 Method and apparatus for providing data access

Country Status (1)

Country Link
GB (1) GB2465801B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111209504B (en) * 2020-01-06 2023-09-22 北京百度网讯科技有限公司 Method and apparatus for accessing map data

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0473102A2 (en) * 1990-08-29 1992-03-04 Honeywell Inc. Data communication system with checksum calculating means
US5832246A (en) * 1996-12-03 1998-11-03 Toshiba America Information Systems, Inc. Virtualization of the ISA bus on PCI with the existence of a PCI to ISA bridge
US6105160A (en) * 1996-12-24 2000-08-15 Nec Corporation Packet error detecting device in a DMA transfer
GB2383440A (en) * 2001-12-21 2003-06-25 Sun Microsystems Inc DMA memory system with further DMA unit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0473102A2 (en) * 1990-08-29 1992-03-04 Honeywell Inc. Data communication system with checksum calculating means
US5832246A (en) * 1996-12-03 1998-11-03 Toshiba America Information Systems, Inc. Virtualization of the ISA bus on PCI with the existence of a PCI to ISA bridge
US6105160A (en) * 1996-12-24 2000-08-15 Nec Corporation Packet error detecting device in a DMA transfer
GB2383440A (en) * 2001-12-21 2003-06-25 Sun Microsystems Inc DMA memory system with further DMA unit

Also Published As

Publication number Publication date
GB2465801A (en) 2010-06-02
GB0821886D0 (en) 2009-01-07

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Legal Events

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Free format text: REGISTERED BETWEEN 20120503 AND 20120509