DE3882425D1 - Datenuebertragungssteuerungsvorrichtung fuer direktspeicherzugriff. - Google Patents

Datenuebertragungssteuerungsvorrichtung fuer direktspeicherzugriff.

Info

Publication number
DE3882425D1
DE3882425D1 DE8888304065T DE3882425T DE3882425D1 DE 3882425 D1 DE3882425 D1 DE 3882425D1 DE 8888304065 T DE8888304065 T DE 8888304065T DE 3882425 T DE3882425 T DE 3882425T DE 3882425 D1 DE3882425 D1 DE 3882425D1
Authority
DE
Germany
Prior art keywords
control device
data transfer
memory access
transfer control
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 - Fee Related
Application number
DE8888304065T
Other languages
English (en)
Other versions
DE3882425T2 (de
Inventor
Takayoshi Taniai
Tadashi Saitoh
Atsushi Fujihira
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.)
Fujitsu Ltd
Fujitsu Electronics Inc
Original Assignee
Fujitsu Ltd
Fujitsu Electronics Inc
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
Priority claimed from JP62109753A external-priority patent/JPS63276154A/ja
Priority claimed from JP62113604A external-priority patent/JPS63279351A/ja
Application filed by Fujitsu Ltd, Fujitsu Electronics Inc filed Critical Fujitsu Ltd
Publication of DE3882425D1 publication Critical patent/DE3882425D1/de
Application granted granted Critical
Publication of DE3882425T2 publication Critical patent/DE3882425T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/22—Microcontrol or microprogram arrangements
    • G06F9/26—Address formation of the next micro-instruction ; Microprogram storage or retrieval arrangements
    • G06F9/262—Arrangements for next microinstruction selection
    • G06F9/268—Microinstruction selection not based on processing results, e.g. interrupt, patch, first cycle store, diagnostic programs
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F13/285—Halt processor DMA

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Debugging And Monitoring (AREA)
  • Bus Control (AREA)
  • Lift Valve (AREA)
DE88304065T 1987-05-07 1988-05-05 Datenübertragungssteuerungsvorrichtung für Direktspeicherzugriff. Expired - Fee Related DE3882425T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62109753A JPS63276154A (ja) 1987-05-07 1987-05-07 Ｄｍａ転送制御装置
JP62113604A JPS63279351A (ja) 1987-05-12 1987-05-12 Ｄｍａ転送制御装置

Publications (2)

Publication Number Publication Date
DE3882425D1 true DE3882425D1 (de) 1993-08-26
DE3882425T2 DE3882425T2 (de) 1993-12-02

Family

ID=26449463

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88304065T Expired - Fee Related DE3882425T2 (de) 1987-05-07 1988-05-05 Datenübertragungssteuerungsvorrichtung für Direktspeicherzugriff.

Country Status (4)

Country Link
US (1) US5018098A (de)
EP (1) EP0290256B1 (de)
KR (2) KR920010338B1 (de)
DE (1) DE3882425T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01237864A (ja) * 1988-03-18 1989-09-22 Fujitsu Ltd Ｄｍａ転送制御装置
JPH01258163A (ja) * 1988-04-08 1989-10-16 Fujitsu Ltd ダイレクトメモリアクセス制御装置
DE69127851T2 (de) * 1990-05-22 1998-04-30 Nippon Electric Co Direktspeicherzugriffübertragungssystem und Benutzung
US5519839A (en) * 1992-10-02 1996-05-21 Compaq Computer Corp. Double buffering operations between the memory bus and the expansion bus of a computer system
US5655151A (en) * 1994-01-28 1997-08-05 Apple Computer, Inc. DMA controller having a plurality of DMA channels each having multiple register sets storing different information controlling respective data transfer
KR0160193B1 (ko) * 1995-12-30 1998-12-15 김광호 직접메모리접근 제어장치
US6047336A (en) * 1998-03-16 2000-04-04 International Business Machines Corporation Speculative direct memory access transfer between slave devices and memory
US6249823B1 (en) * 1998-10-30 2001-06-19 Telefonaktiebolaget Lm Ericsson (Publ) System for bus master changeover with a dummy cycle on a data bus
US9697150B2 (en) * 2013-09-04 2017-07-04 Jory Schwach Real-time embedded system
DE102016206109A1 (de) * 2016-04-13 2017-10-19 Robert Bosch Gmbh Speicherdirektzugriffssteuereinrichtung für mindestens eine einen Arbeitsspeicher aufweisende Recheneinheit
EP4677025A1 (de) 2023-03-06 2026-01-14 Borealis GmbH Recyclathaltige polypropylenzusammensetzungen mit hervorragender lackhaftung
PL4427933T3 (pl) 2023-03-08 2026-01-26 Borealis Gmbh Podlegające recyklingowi folie wielowarstwowe zawierające warstwę zgrzewalną utworzoną z mieszaniny polipropylenów

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1448866A (en) * 1973-04-13 1976-09-08 Int Computers Ltd Microprogrammed data processing systems
US3938098A (en) * 1973-12-26 1976-02-10 Xerox Corporation Input/output connection arrangement for microprogrammable computer
US4156279A (en) * 1977-11-22 1979-05-22 Honeywell Information Systems Inc. Microprogrammed data processing unit including a multifunction secondary control store
IT1091633B (it) * 1977-12-30 1985-07-06 Olivetti C Ing E C Spa Dispositivo per la gestione del l accesso diretto alla memoria di un calcolatore
DE3241376A1 (de) * 1982-11-09 1984-05-10 Siemens AG, 1000 Berlin und 8000 München Dma-steuereinrichtung zur uebertragung von daten zwischen einem datensender und einem datenempfaenger
DE3241357A1 (de) * 1982-11-09 1984-05-10 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur mikrobefehls-bereitstellung fuer mindestens zwei unabhaengig arbeitende funktionseinheiten in einem integrierten, mikroprogrammierten elektronischen baustein und verfahren zu ihrem betrieb
JP2618223B2 (ja) * 1984-07-27 1997-06-11 株式会社日立製作所 シングルチツプマイクロコンピユータ

Also Published As

Publication number Publication date
US5018098A (en) 1991-05-21
KR880013624A (ko) 1988-12-21
EP0290256A2 (de) 1988-11-09
DE3882425T2 (de) 1993-12-02
EP0290256B1 (de) 1993-07-21
EP0290256A3 (en) 1989-11-08
KR880014761A (ko) 1988-12-24
KR920010338B1 (ko) 1992-11-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee