DE3687091D1 - Direktspeicherzugriffsteuerungsgeraet. - Google Patents

Direktspeicherzugriffsteuerungsgeraet.

Info

Publication number
DE3687091D1
DE3687091D1 DE8686109229T DE3687091T DE3687091D1 DE 3687091 D1 DE3687091 D1 DE 3687091D1 DE 8686109229 T DE8686109229 T DE 8686109229T DE 3687091 T DE3687091 T DE 3687091T DE 3687091 D1 DE3687091 D1 DE 3687091D1
Authority
DE
Germany
Prior art keywords
control device
access control
memory access
direct memory
direct
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
DE8686109229T
Other languages
English (en)
Other versions
DE3687091T2 (de
Inventor
Yuko Takahashi
Hidefumi Kurokawa
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Publication of DE3687091D1 publication Critical patent/DE3687091D1/de
Application granted granted Critical
Publication of DE3687091T2 publication Critical patent/DE3687091T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
    • G06F1/3215—Monitoring of peripheral devices
    • 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
    • G06F13/285—Halt processor DMA

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Bus Control (AREA)
  • Power Sources (AREA)
DE19863687091 1985-07-05 1986-07-07 Direktspeicherzugriffsteuerungsgeraet. Expired - Fee Related DE3687091T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14863485 1985-07-05

Publications (2)

Publication Number Publication Date
DE3687091D1 true DE3687091D1 (de) 1992-12-17
DE3687091T2 DE3687091T2 (de) 1993-05-27

Family

ID=15457176

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863687091 Expired - Fee Related DE3687091T2 (de) 1985-07-05 1986-07-07 Direktspeicherzugriffsteuerungsgeraet.

Country Status (3)

Country Link
EP (1) EP0208287B1 (de)
JP (1) JPH0789346B2 (de)
DE (1) DE3687091T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02201516A (ja) * 1989-01-31 1990-08-09 Toshiba Corp パワーセーブ方式
JP3061836B2 (ja) * 1990-05-22 2000-07-10 日本電気株式会社 メモリ装置
IE920032A1 (en) * 1991-01-11 1992-07-15 Marconi Gec Ltd Parallel processing apparatus
JPH04283831A (ja) * 1991-03-13 1992-10-08 Fujitsu Ltd 除算器
DE69522633T2 (de) * 1994-10-19 2002-07-04 Advanced Micro Devices Inc Integrierte Prozessorsysteme für tragbare Informationsgeräte
JP2002041445A (ja) 2000-05-19 2002-02-08 Matsushita Electric Ind Co Ltd 高性能ｄｍａコントローラ
EP1785811B1 (de) * 2005-11-14 2018-12-05 Texas Instruments Incorporated Leistungsverwaltung von Speicherinformationsübertragung
JP2007148776A (ja) * 2005-11-28 2007-06-14 Seiko Epson Corp Ｄｍａ回路内蔵集積回路、コントローラにおける消費電力低減方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5368051A (en) * 1976-11-29 1978-06-17 Sharp Corp Integrated circuit device
JPS58169248A (ja) * 1982-03-30 1983-10-05 Fujitsu Ltd 入力条件セレクタ付プログラムカウンタ制御方式
JPS5933549A (ja) * 1982-08-19 1984-02-23 Toshiba Corp Ｃｍｏｓ形１チツプマイクロプロセツサ
JPS6019269A (ja) * 1983-07-13 1985-01-31 Nec Corp 高速デ−タ転送方式

Also Published As

Publication number Publication date
DE3687091T2 (de) 1993-05-27
JPS62103749A (ja) 1987-05-14
EP0208287A3 (en) 1989-06-07
EP0208287B1 (de) 1992-11-11
JPH0789346B2 (ja) 1995-09-27
EP0208287A2 (de) 1987-01-14

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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