WO2005072335A3 - Adaptive-allocation of i/o bandwidth using a configurable interconnect topology - Google Patents

Adaptive-allocation of i/o bandwidth using a configurable interconnect topology Download PDF

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Publication number
WO2005072335A3
WO2005072335A3 PCT/US2005/002319 US2005002319W WO2005072335A3 WO 2005072335 A3 WO2005072335 A3 WO 2005072335A3 US 2005002319 W US2005002319 W US 2005002319W WO 2005072335 A3 WO2005072335 A3 WO 2005072335A3
Authority
WO
WIPO (PCT)
Prior art keywords
bandwidth
interface
allocation
adaptive
contact
Prior art date
Application number
PCT/US2005/002319
Other languages
French (fr)
Other versions
WO2005072335A2 (en
Inventor
Michael Ching
Steven C Woo
Original Assignee
Rambus Inc
Michael Ching
Steven C Woo
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 Rambus Inc, Michael Ching, Steven C Woo filed Critical Rambus Inc
Priority to EP05706081A priority Critical patent/EP1716474B1/en
Priority to JP2006551401A priority patent/JP4800224B2/en
Publication of WO2005072335A2 publication Critical patent/WO2005072335A2/en
Publication of WO2005072335A3 publication Critical patent/WO2005072335A3/en

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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
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure
    • G06F13/4063—Device-to-bus coupling
    • G06F13/4068—Electrical coupling
    • G06F13/4072—Drivers or receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/143—Two-way operation using the same type of signal, i.e. duplex for modulated signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/18—Automatic changing of the traffic direction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0264—Arrangements for coupling to transmission lines
    • H04L25/0272—Arrangements for coupling to multiple lines, e.g. for differential transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0264—Arrangements for coupling to transmission lines
    • H04L25/0292—Arrangements specific to the receiver end
    • H04L25/0294—Provision for current-mode coupling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Abstract

Apparatus and methods allocate I/O bandwidth of an electrical component (110, 120), such as an IC, by configuring an I/O interface (119, 219) into various types of interfaces. In an embodiment of the present invention, an I/O interface is configured into either a bi-directional contact (b), unidirectional contact (t, r) or a maintenance contact (m) used in a maintenance or calibration mode of operation. The I/O interface is periodically reconfigured to optimally allocate I/O bandwidth responsive to system parameters, such as changing data workloads in the electronic components. The importance of a system parameter may be weighted over time in an embodiment of the present invention.
PCT/US2005/002319 2004-01-28 2005-01-25 Adaptive-allocation of i/o bandwidth using a configurable interconnect topology WO2005072335A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP05706081A EP1716474B1 (en) 2004-01-28 2005-01-25 Adaptive-allocation of i/o bandwidth using a configurable interconnect topology
JP2006551401A JP4800224B2 (en) 2004-01-28 2005-01-25 Adaptive allocation of I / O bandwidth using configurable interconnect topology

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/766,334 2004-01-28
US10/766,334 US7158536B2 (en) 2004-01-28 2004-01-28 Adaptive-allocation of I/O bandwidth using a configurable interconnect topology

Publications (2)

Publication Number Publication Date
WO2005072335A2 WO2005072335A2 (en) 2005-08-11
WO2005072335A3 true WO2005072335A3 (en) 2006-06-01

Family

ID=34795639

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/002319 WO2005072335A2 (en) 2004-01-28 2005-01-25 Adaptive-allocation of i/o bandwidth using a configurable interconnect topology

Country Status (4)

Country Link
US (4) US7158536B2 (en)
EP (3) EP1716474B1 (en)
JP (2) JP4800224B2 (en)
WO (1) WO2005072335A2 (en)

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US8073009B2 (en) 2011-12-06
EP1716474A2 (en) 2006-11-02
US7420990B2 (en) 2008-09-02
JP2011204254A (en) 2011-10-13
EP1716474B1 (en) 2011-11-02
JP2007524166A (en) 2007-08-23
JP4800224B2 (en) 2011-10-26
EP2293447A1 (en) 2011-03-09
US20070071032A1 (en) 2007-03-29
US20080276020A1 (en) 2008-11-06
WO2005072335A2 (en) 2005-08-11
EP2293198A1 (en) 2011-03-09
US8149874B2 (en) 2012-04-03
EP1716474A4 (en) 2007-05-02
US20050165970A1 (en) 2005-07-28
US20110219162A1 (en) 2011-09-08
US7158536B2 (en) 2007-01-02

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