DE19983747T1 - Verfahren und Vorrichtung zur Prioritätssetzung bezüglich eines Zugriffs auf externe Geräte - Google Patents

Verfahren und Vorrichtung zur Prioritätssetzung bezüglich eines Zugriffs auf externe Geräte

Info

Publication number
DE19983747T1
DE19983747T1 DE19983747T DE19983747T DE19983747T1 DE 19983747 T1 DE19983747 T1 DE 19983747T1 DE 19983747 T DE19983747 T DE 19983747T DE 19983747 T DE19983747 T DE 19983747T DE 19983747 T1 DE19983747 T1 DE 19983747T1
Authority
DE
Germany
Prior art keywords
access
external devices
priority method
priority
external
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
DE19983747T
Other languages
English (en)
Inventor
Henry Stracovsky
Piotr Szabelski
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.)
Infineon Technologies AG
Original Assignee
Infineon Technologies AG
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 Infineon Technologies AG filed Critical Infineon Technologies AG
Publication of DE19983747T1 publication Critical patent/DE19983747T1/de
Ceased legal-status Critical Current

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
    • G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
    • G06F13/362—Handling requests for interconnection or transfer for access to common bus or bus system with centralised access control
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/0215—Addressing or allocation; Relocation with look ahead addressing means
    • 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
    • G06F13/161—Handling requests for interconnection or transfer for access to memory bus based on arbitration with latency improvement
    • G06F13/1621—Handling requests for interconnection or transfer for access to memory bus based on arbitration with latency improvement by maintaining request order
    • 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
    • G06F13/161—Handling requests for interconnection or transfer for access to memory bus based on arbitration with latency improvement
    • G06F13/1626—Handling requests for interconnection or transfer for access to memory bus based on arbitration with latency improvement by reordering requests
    • 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
DE19983747T 1998-11-16 1999-11-15 Verfahren und Vorrichtung zur Prioritätssetzung bezüglich eines Zugriffs auf externe Geräte Ceased DE19983747T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10893098P 1998-11-16 1998-11-16
US09/439,860 US6195724B1 (en) 1998-11-16 1999-11-12 Methods and apparatus for prioritization of access to external devices
PCT/US1999/027017 WO2000029956A1 (en) 1998-11-16 1999-11-15 Methods and apparatus for prioritization of access to external devices

Publications (1)

Publication Number Publication Date
DE19983747T1 true DE19983747T1 (de) 2002-01-03

Family

ID=26806435

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19983747T Ceased DE19983747T1 (de) 1998-11-16 1999-11-15 Verfahren und Vorrichtung zur Prioritätssetzung bezüglich eines Zugriffs auf externe Geräte

Country Status (7)

Country Link
US (2) US6195724B1 (de)
JP (1) JP4472186B2 (de)
KR (1) KR100667384B1 (de)
CN (1) CN1205553C (de)
DE (1) DE19983747T1 (de)
GB (1) GB2358942B (de)
WO (1) WO2000029956A1 (de)

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Also Published As

Publication number Publication date
WO2000029956A1 (en) 2000-05-25
KR100667384B1 (ko) 2007-01-10
KR20010092746A (ko) 2001-10-26
GB0111920D0 (en) 2001-07-04
JP4472186B2 (ja) 2010-06-02
US6195724B1 (en) 2001-02-27
GB2358942B (en) 2003-07-09
CN1348564A (zh) 2002-05-08
JP2002530742A (ja) 2002-09-17
US6430642B1 (en) 2002-08-06
CN1205553C (zh) 2005-06-08
GB2358942A (en) 2001-08-08

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8110 Request for examination paragraph 44
R002 Refusal decision in examination/registration proceedings
R016 Response to examination communication
R003 Refusal decision now final

Effective date: 20120117