IT1199745B - Circuito arbitratore di accesso - Google Patents
Circuito arbitratore di accessoInfo
- Publication number
- IT1199745B IT1199745B IT22653/86A IT2265386A IT1199745B IT 1199745 B IT1199745 B IT 1199745B IT 22653/86 A IT22653/86 A IT 22653/86A IT 2265386 A IT2265386 A IT 2265386A IT 1199745 B IT1199745 B IT 1199745B
- Authority
- IT
- Italy
- Prior art keywords
- arbitrator circuit
- access arbitrator
- access
- circuit
- arbitrator
- Prior art date
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
- G06F13/364—Handling requests for interconnection or transfer for access to common bus or bus system with centralised access control using independent requests or grants, e.g. using separated request and grant lines
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Bus Control (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT22653/86A IT1199745B (it) | 1986-12-12 | 1986-12-12 | Circuito arbitratore di accesso |
US07/122,872 US4851996A (en) | 1986-12-12 | 1987-11-19 | Common resource arbitration circuit having asynchronous access requests and timing signal used as clock input to register and mask signal to priority network |
EP87117871A EP0274648B1 (en) | 1986-12-12 | 1987-12-03 | Arbitration circuit |
DE8787117871T DE3771692D1 (en) | 1986-12-12 | 1987-12-03 | Arbiterschaltung. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT22653/86A IT1199745B (it) | 1986-12-12 | 1986-12-12 | Circuito arbitratore di accesso |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8622653A0 IT8622653A0 (it) | 1986-12-12 |
IT1199745B true IT1199745B (it) | 1988-12-30 |
Family
ID=11198896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22653/86A IT1199745B (it) | 1986-12-12 | 1986-12-12 | Circuito arbitratore di accesso |
Country Status (4)
Country | Link |
---|---|
US (1) | US4851996A (it) |
EP (1) | EP0274648B1 (it) |
DE (1) | DE3771692D1 (it) |
IT (1) | IT1199745B (it) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5179705A (en) * | 1988-03-23 | 1993-01-12 | Dupont Pixel Systems, Ltd. | Asynchronous arbiter state machine for arbitrating between operating devices requesting access to a shared resource |
IT1227711B (it) * | 1988-11-18 | 1991-05-06 | Caluso Torino | Sistema multiprocessore di elaborazione dati a risorse distribuite condivise e prevenzione di stallo. |
US5101482A (en) * | 1989-10-16 | 1992-03-31 | Massachusetts Institute Of Technology | Bus-based priority arbitration system with optimum codewords |
US5265257A (en) * | 1990-06-22 | 1993-11-23 | Digital Equipment Corporation | Fast arbiter having easy scaling for large numbers of requesters, large numbers of resource types with multiple instances of each type, and selectable queuing disciplines |
EP0464237A1 (en) * | 1990-07-03 | 1992-01-08 | International Business Machines Corporation | Bus arbitration scheme |
DE4024029C2 (de) * | 1990-07-28 | 1994-07-28 | Teldix Gmbh | Entscheidungslogik zur Priorisierung und Synchronisierung zeitlich asynchroner Signale |
DE4131227A1 (de) * | 1990-09-21 | 1992-04-02 | Sundstrand Data Control | Verfahren und einrichtung zur buszuteilung |
EP0552507B1 (en) * | 1991-12-04 | 1998-02-11 | Koninklijke Philips Electronics N.V. | Arbiter with a direct signal that is modifiable under priority-conflict control |
US5341052A (en) * | 1991-12-04 | 1994-08-23 | North American Philips Corporation | Arbiter with test capability and associated testing method |
US6163848A (en) * | 1993-09-22 | 2000-12-19 | Advanced Micro Devices, Inc. | System and method for re-starting a peripheral bus clock signal and requesting mastership of a peripheral bus |
JP2626510B2 (ja) * | 1993-10-28 | 1997-07-02 | 日本電気株式会社 | 調停装置 |
FR2737591B1 (fr) * | 1995-08-03 | 1997-10-17 | Sgs Thomson Microelectronics | Dispositif d'organisation d'acces a un bus memoire |
KR100201325B1 (ko) * | 1996-03-30 | 1999-06-15 | 유기범 | 다중 프로세서 시스템에서 시스템 버스의 클럭속도를 향상시키는 방법 |
US7024506B1 (en) * | 2002-12-27 | 2006-04-04 | Cypress Semiconductor Corp. | Hierarchically expandable fair arbiter |
US10459773B2 (en) * | 2016-05-19 | 2019-10-29 | Hitachi, Ltd. | PLD management method and PLD management system |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1487826B2 (de) * | 1966-05-21 | 1972-02-24 | Siemens AG, 1000 Berlin u. 8000 München | Schaltungsanordnung zur prioritaetsgerechten datenuebertragung |
US4449183A (en) * | 1979-07-09 | 1984-05-15 | Digital Equipment Corporation | Arbitration scheme for a multiported shared functional device for use in multiprocessing systems |
IT1126475B (it) * | 1979-12-03 | 1986-05-21 | Honeywell Inf Systems | Apparato di comunicazione tra piu' processori |
US4339808A (en) * | 1980-03-04 | 1982-07-13 | Motorola, Inc. | Asynchronous event prioritizing circuit |
US4597054A (en) * | 1982-12-02 | 1986-06-24 | Ncr Corporation | Arbiter circuit and method |
US4586128A (en) * | 1983-04-14 | 1986-04-29 | Burroughs Corporation | Arbitrator circuit and technique for use in a digital computing system having multiple bus controllers |
US4644461A (en) * | 1983-04-29 | 1987-02-17 | The Regents Of The University Of California | Dynamic activity-creating data-driven computer architecture |
US4611297A (en) * | 1983-08-18 | 1986-09-09 | Pitney Bowes Inc. | Bus grant circuit |
-
1986
- 1986-12-12 IT IT22653/86A patent/IT1199745B/it active
-
1987
- 1987-11-19 US US07/122,872 patent/US4851996A/en not_active Expired - Fee Related
- 1987-12-03 DE DE8787117871T patent/DE3771692D1/de not_active Expired - Lifetime
- 1987-12-03 EP EP87117871A patent/EP0274648B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3771692D1 (en) | 1991-08-29 |
IT8622653A0 (it) | 1986-12-12 |
EP0274648B1 (en) | 1991-07-24 |
EP0274648A1 (en) | 1988-07-20 |
US4851996A (en) | 1989-07-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19931231 |