ES8308647A1 - Un metodo para acceder directamente a respectivas memorias de computador asociadas con una pluralidad de unidades de tratamiento de datos. - Google Patents
Un metodo para acceder directamente a respectivas memorias de computador asociadas con una pluralidad de unidades de tratamiento de datos.Info
- Publication number
- ES8308647A1 ES8308647A1 ES517269A ES517269A ES8308647A1 ES 8308647 A1 ES8308647 A1 ES 8308647A1 ES 517269 A ES517269 A ES 517269A ES 517269 A ES517269 A ES 517269A ES 8308647 A1 ES8308647 A1 ES 8308647A1
- Authority
- ES
- Spain
- Prior art keywords
- data bus
- memory access
- access method
- multiplexed data
- direct 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
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
- G06F13/20—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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/40—Network security protocols
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Bus Control (AREA)
- Communication Control (AREA)
- Computer And Data Communications (AREA)
- Small-Scale Networks (AREA)
- Hardware Redundancy (AREA)
Abstract
METODO PARA ACCEDER DIRECTAMENTE A LAS RESPECTIVAS MEMORIAS DE UN COMPUTADOR, ASOCIADAS CON UNA PLURALIDAD DE UNIDADES DE TRATAMIENTO DE DATOS. COMPRENDE LAS SIGUIENTES OPERACIONES: PRIMERA, SE RECIBE EL MENSAJE QUE CONTIENE LA DIRECCION FUNCIONAL Y SE ESTABLECE EL INDICE DE UN INDICADOR EN LA TABLA DE VECTORES, POR MEDIO DE DICHA DIRECCION FUNCIONAL; SEGUNDA, SE ACCEDE AL BLOQUE DE CONTROL DE ENTRADA DESIGNADO POR EL INDICADOR Y SEÑALADO POR LA DIRECCION FUNCIONAL; Y SE ALMACENAN LOS DATOS CONTENIDOS EN DICHO MENSAJE EN UNA POSICION DE MEMORIA DE COMPUTADOR DESIGNADA POR EL BLOQUE DE CONTROL DE ENTRADA. DE APLICACION EN UNA LINEA GENERAL DE DATOS MULTIPLEXADA.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/320,244 US4482951A (en) | 1981-11-12 | 1981-11-12 | Direct memory access method for use with a multiplexed data bus |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8308647A1 true ES8308647A1 (es) | 1983-09-16 |
ES517269A0 ES517269A0 (es) | 1983-09-16 |
Family
ID=23245523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES517269A Granted ES517269A0 (es) | 1981-11-12 | 1982-11-11 | Un metodo para acceder directamente a respectivas memorias de computador asociadas con una pluralidad de unidades de tratamiento de datos. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4482951A (es) |
EP (1) | EP0079468B1 (es) |
JP (1) | JPS5887614A (es) |
CA (1) | CA1179783A (es) |
DE (1) | DE3278950D1 (es) |
ES (1) | ES517269A0 (es) |
IL (1) | IL66970A (es) |
NO (1) | NO167946C (es) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4692859A (en) * | 1983-05-16 | 1987-09-08 | Rca Corporation | Multiple byte serial data transfer protocol |
US4853956A (en) * | 1983-05-20 | 1989-08-01 | American Telephone And Telegraph Company | Communication system distributed processing message delivery system |
US4613946A (en) * | 1984-06-07 | 1986-09-23 | Forman Ernest H | Method and apparatus for generating hierarchical displays |
US4868742A (en) * | 1984-06-20 | 1989-09-19 | Convex Computer Corporation | Input/output bus for system which generates a new header parcel when an interrupted data block transfer between a computer and peripherals is resumed |
DE3546664C3 (de) * | 1985-02-22 | 1995-10-26 | Bosch Gmbh Robert | Verfahren zum Betreiben einer Datenverarbeitungsanlage |
US4821180A (en) * | 1985-02-25 | 1989-04-11 | Itt Corporation | Device interface controller for intercepting communication between a microcomputer and peripheral devices to control data transfers |
US4715031A (en) * | 1985-09-23 | 1987-12-22 | Ford Motor Company | Vehicular data transfer communication system |
US4847750A (en) * | 1986-02-13 | 1989-07-11 | Intelligent Instrumentation, Inc. | Peripheral DMA controller for data acquisition system |
CA1285658C (en) * | 1986-03-20 | 1991-07-02 | Paul Yursis | Cpu channel to cpu channel extender |
CA1278389C (en) * | 1986-03-20 | 1990-12-27 | Ernest H. Wilson, Jr. | Cpu channel to control unit extender |
US4998245A (en) * | 1987-12-17 | 1991-03-05 | Matsushita Electric Industrial Co., Ltd. | Information transmission system having collective data transmission and collection devices |
US5251303A (en) * | 1989-01-13 | 1993-10-05 | International Business Machines Corporation | System for DMA block data transfer based on linked control blocks |
US5048022A (en) * | 1989-08-01 | 1991-09-10 | Digital Equipment Corporation | Memory device with transfer of ECC signals on time division multiplexed bidirectional lines |
JPH03123232A (ja) * | 1989-10-06 | 1991-05-27 | Matsushita Electric Ind Co Ltd | データ伝送制御処理方法 |
DE4127579A1 (de) * | 1991-08-21 | 1993-02-25 | Standard Elektrik Lorenz Ag | Speichereinheit mit einem adressgenerator |
GB2301752B (en) * | 1995-06-02 | 2000-03-29 | Dsc Communications | Control message transmission in telecommunications systems |
FR2766642B1 (fr) * | 1997-07-22 | 1999-11-19 | Sextant Avionique | Procede et dispositif de reception de messages numeriques assurant un pretraitement de ces messages configurable dynamiquement |
FR2766641B1 (fr) * | 1997-07-22 | 1999-12-03 | Sextant Avionique | Procede et dispositif de reception de messages numeriques assurant un pretraitement de ces messages |
JP2001195261A (ja) * | 2000-01-13 | 2001-07-19 | Nec Corp | 外部メモリから内蔵メモリへのプログラム転送方法およびその転送方法を用いたマイクロコンピュータ |
GB2359906B (en) * | 2000-02-29 | 2004-10-20 | Virata Ltd | Method and apparatus for DMA data transfer |
JP3702790B2 (ja) | 2001-01-10 | 2005-10-05 | 株式会社デンソー | マイクロコンピュータ |
US10684900B2 (en) * | 2016-01-13 | 2020-06-16 | Unisys Corporation | Enhanced message control banks |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3710324A (en) * | 1970-04-01 | 1973-01-09 | Digital Equipment Corp | Data processing system |
FR2253428A5 (es) * | 1973-11-30 | 1975-06-27 | Honeywell Bull Soc Ind | |
US4130865A (en) * | 1974-06-05 | 1978-12-19 | Bolt Beranek And Newman Inc. | Multiprocessor computer apparatus employing distributed communications paths and a passive task register |
US4173783A (en) * | 1975-06-30 | 1979-11-06 | Honeywell Information Systems, Inc. | Method of accessing paged memory by an input-output unit |
US4075691A (en) * | 1975-11-06 | 1978-02-21 | Bunker Ramo Corporation | Communication control unit |
US4228496A (en) * | 1976-09-07 | 1980-10-14 | Tandem Computers Incorporated | Multiprocessor system |
US4133030A (en) * | 1977-01-19 | 1979-01-02 | Honeywell Information Systems Inc. | Control system providing for the transfer of data in a communications processing system employing channel dedicated control blocks |
US4065810A (en) * | 1977-01-26 | 1977-12-27 | International Business Machines Corporation | Data transfer system |
US4155119A (en) * | 1977-09-21 | 1979-05-15 | Sperry Rand Corporation | Method for providing virtual addressing for externally specified addressed input/output operations |
US4371932A (en) * | 1979-07-30 | 1983-02-01 | International Business Machines Corp. | I/O Controller for transferring data between a host processor and multiple I/O units |
US4419728A (en) * | 1981-06-22 | 1983-12-06 | Bell Telephone Laboratories, Incorporated | Channel interface circuit providing virtual channel number translation and direct memory access |
-
1981
- 1981-11-12 US US06/320,244 patent/US4482951A/en not_active Expired - Lifetime
-
1982
- 1982-10-12 IL IL66970A patent/IL66970A/xx unknown
- 1982-10-16 EP EP82109587A patent/EP0079468B1/en not_active Expired
- 1982-10-16 DE DE8282109587T patent/DE3278950D1/de not_active Expired
- 1982-10-22 CA CA000414036A patent/CA1179783A/en not_active Expired
- 1982-10-28 JP JP57188290A patent/JPS5887614A/ja active Granted
- 1982-11-11 NO NO823774A patent/NO167946C/no unknown
- 1982-11-11 ES ES517269A patent/ES517269A0/es active Granted
Also Published As
Publication number | Publication date |
---|---|
EP0079468A2 (en) | 1983-05-25 |
NO167946B (no) | 1991-09-16 |
NO167946C (no) | 1991-12-27 |
EP0079468B1 (en) | 1988-08-24 |
IL66970A0 (en) | 1983-02-23 |
ES517269A0 (es) | 1983-09-16 |
EP0079468A3 (en) | 1985-08-07 |
DE3278950D1 (en) | 1988-09-29 |
IL66970A (en) | 1985-05-31 |
JPS5887614A (ja) | 1983-05-25 |
CA1179783A (en) | 1984-12-18 |
JPH0217818B2 (es) | 1990-04-23 |
US4482951A (en) | 1984-11-13 |
NO823774L (no) | 1983-05-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Patent lapsed |
Effective date: 19960506 |