GB2490753B - Memory controller and methods - Google Patents

Memory controller and methods

Info

Publication number
GB2490753B
GB2490753B GB1117740.9A GB201117740A GB2490753B GB 2490753 B GB2490753 B GB 2490753B GB 201117740 A GB201117740 A GB 201117740A GB 2490753 B GB2490753 B GB 2490753B
Authority
GB
United Kingdom
Prior art keywords
methods
memory controller
controller
memory
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.)
Expired - Fee Related
Application number
GB1117740.9A
Other versions
GB201117740D0 (en
GB2490753A (en
Inventor
Ari Petteri Hatula
Mika Tapani Lehtonen
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.)
Renesas Electronics Corp
Original Assignee
Renesas Mobile Corp
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 Renesas Mobile Corp filed Critical Renesas Mobile Corp
Priority to GB1117740.9A priority Critical patent/GB2490753B/en
Publication of GB201117740D0 publication Critical patent/GB201117740D0/en
Priority to US13/650,935 priority patent/US8521968B2/en
Publication of GB2490753A publication Critical patent/GB2490753A/en
Application granted granted Critical
Publication of GB2490753B publication Critical patent/GB2490753B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/16—Handling requests for interconnection or transfer for access to memory bus
    • G06F13/1605—Handling requests for interconnection or transfer for access to memory bus based on arbitration
    • G06F13/1642—Handling requests for interconnection or transfer for access to memory bus based on arbitration with request queuing
    • 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
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/16—Handling requests for interconnection or transfer for access to memory bus
    • G06F13/1668—Details of memory controller
    • G06F13/1673—Details of memory controller using buffers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Information Transfer Systems (AREA)
GB1117740.9A 2011-10-14 2011-10-14 Memory controller and methods Expired - Fee Related GB2490753B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1117740.9A GB2490753B (en) 2011-10-14 2011-10-14 Memory controller and methods
US13/650,935 US8521968B2 (en) 2011-10-14 2012-10-12 Memory controller and methods

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1117740.9A GB2490753B (en) 2011-10-14 2011-10-14 Memory controller and methods

Publications (3)

Publication Number Publication Date
GB201117740D0 GB201117740D0 (en) 2011-11-23
GB2490753A GB2490753A (en) 2012-11-14
GB2490753B true GB2490753B (en) 2013-03-27

Family

ID=45092031

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1117740.9A Expired - Fee Related GB2490753B (en) 2011-10-14 2011-10-14 Memory controller and methods

Country Status (1)

Country Link
GB (1) GB2490753B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5761728A (en) * 1992-10-20 1998-06-02 Fujitsu Limited Asynchronous access system controlling processing modules making requests to a shared system memory
EP1069512A2 (en) * 1999-07-12 2001-01-17 Matsushita Electric Industrial Co., Ltd. Data processing apparatus with buffering between buses
US6434674B1 (en) * 2000-04-04 2002-08-13 Advanced Digital Information Corporation Multiport memory architecture with direct data flow

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5761728A (en) * 1992-10-20 1998-06-02 Fujitsu Limited Asynchronous access system controlling processing modules making requests to a shared system memory
EP1069512A2 (en) * 1999-07-12 2001-01-17 Matsushita Electric Industrial Co., Ltd. Data processing apparatus with buffering between buses
US6434674B1 (en) * 2000-04-04 2002-08-13 Advanced Digital Information Corporation Multiport memory architecture with direct data flow

Also Published As

Publication number Publication date
GB201117740D0 (en) 2011-11-23
GB2490753A (en) 2012-11-14

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20140102 AND 20140108

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20140109 AND 20140115

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20161014