IT1247641B - Trasferimento di dati in modo dma durante fasi di risveglio durante lo stato di attesa per interruzione di un microprocessore con riduzione di consumo - Google Patents

Trasferimento di dati in modo dma durante fasi di risveglio durante lo stato di attesa per interruzione di un microprocessore con riduzione di consumo

Info

Publication number
IT1247641B
IT1247641B IT08361890A IT8361890A IT1247641B IT 1247641 B IT1247641 B IT 1247641B IT 08361890 A IT08361890 A IT 08361890A IT 8361890 A IT8361890 A IT 8361890A IT 1247641 B IT1247641 B IT 1247641B
Authority
IT
Italy
Prior art keywords
during
interruption
wait
microprocessor
transfer
Prior art date
Application number
IT08361890A
Other languages
English (en)
Other versions
IT9083618A0 (it
IT9083618A1 (it
Inventor
Flavio Scarra
Original Assignee
St Microelectronics Srl
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 St Microelectronics Srl filed Critical St Microelectronics Srl
Priority to IT08361890A priority Critical patent/IT1247641B/it
Publication of IT9083618A0 publication Critical patent/IT9083618A0/it
Priority to EP91830166A priority patent/EP0458756A1/en
Priority to JP3125537A priority patent/JPH04229354A/ja
Publication of IT9083618A1 publication Critical patent/IT9083618A1/it
Application granted granted Critical
Publication of IT1247641B publication Critical patent/IT1247641B/it

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 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)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Bus Control (AREA)
  • Power Sources (AREA)
  • Microcomputers (AREA)
IT08361890A 1990-04-26 1990-04-26 Trasferimento di dati in modo dma durante fasi di risveglio durante lo stato di attesa per interruzione di un microprocessore con riduzione di consumo IT1247641B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT08361890A IT1247641B (it) 1990-04-26 1990-04-26 Trasferimento di dati in modo dma durante fasi di risveglio durante lo stato di attesa per interruzione di un microprocessore con riduzione di consumo
EP91830166A EP0458756A1 (en) 1990-04-26 1991-04-23 Data transfer in DMA mode during a wake up phase of a microprocessor in a wait for interrupt condition for reducing power consumption
JP3125537A JPH04229354A (ja) 1990-04-26 1991-04-26 電力消費節減のためにインタラプト待ち状態のマイクロプロセッサのウェイクアップフェーズ間にｄｍａモードでのデータトランスファー

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT08361890A IT1247641B (it) 1990-04-26 1990-04-26 Trasferimento di dati in modo dma durante fasi di risveglio durante lo stato di attesa per interruzione di un microprocessore con riduzione di consumo

Publications (3)

Publication Number Publication Date
IT9083618A0 IT9083618A0 (it) 1990-04-26
IT9083618A1 IT9083618A1 (it) 1991-10-26
IT1247641B true IT1247641B (it) 1994-12-28

Family

ID=11323222

Family Applications (1)

Application Number Title Priority Date Filing Date
IT08361890A IT1247641B (it) 1990-04-26 1990-04-26 Trasferimento di dati in modo dma durante fasi di risveglio durante lo stato di attesa per interruzione di un microprocessore con riduzione di consumo

Country Status (3)

Country Link
EP (1) EP0458756A1 (it)
JP (1) JPH04229354A (it)
IT (1) IT1247641B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5511203A (en) * 1994-02-02 1996-04-23 Advanced Micro Devices Power management system distinguishing between primary and secondary system activity
US6202104B1 (en) 1998-07-28 2001-03-13 Siemens Aktiengesellschaft Processor having a clock driven CPU with static design
JP2006127300A (ja) * 2004-10-29 2006-05-18 Hitachi Global Storage Technologies Netherlands Bv ホストと記憶デバイスとの間における通信方法、記憶デバイス、ホスト、記憶デバイスとホストを備えるシステム
US7529956B2 (en) 2006-07-17 2009-05-05 Microsoft Corporation Granular reduction in power consumption
US7925799B2 (en) * 2007-04-27 2011-04-12 Ricoh Company, Ltd. Serial ATA interface control circuit and power management method wherein start and completion of data transfer is monitored during DMA operations using memory control unit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3758945A (en) * 1972-01-07 1973-09-18 York Stone & Supply Co Masonry flute rake
JPS5775335A (en) * 1980-10-27 1982-05-11 Hitachi Ltd Data processor
US4851987A (en) * 1986-01-17 1989-07-25 International Business Machines Corporation System for reducing processor power consumption by stopping processor clock supply if a desired event does not occur
EP0368144B1 (en) * 1988-11-10 1996-02-07 Motorola, Inc. Digital computing system with low power mode

Also Published As

Publication number Publication date
IT9083618A0 (it) 1990-04-26
EP0458756A1 (en) 1991-11-27
IT9083618A1 (it) 1991-10-26
JPH04229354A (ja) 1992-08-18

Similar Documents

Publication Publication Date Title
DE69327925D1 (de) Taktgeber mit Leistungssparfähigkeit
GB2259164B (en) Transparent system interrupts with integrated extended memory adressing
EP0451661A3 (en) Low power consumption microprocessor
GB9407321D0 (en) Interleaved cache for multiple accesses per clock in a microprocessor
IL83731A0 (en) Microprocessor system with extended arithmetic logic unit
EP0442041A3 (en) Integrated digital signal processor/general purpose cpu with shared internal memory
EP0517429A3 (en) Cpu with integrated multiply/accumulate unit
DE69202278D1 (de) Leistungsverbrauchreduzierung in einem digitalen Prozessor.
DK0566787T3 (da) Stødsikker neddykkelig fremdrivningsenhed med dobbeltpropeller
EP0502680A3 (en) Synchronous multiprocessor efficiently utilizing processors having different performance characteristics
EP0467152A3 (en) Microprocessor capable of decoding two instructions in parallel
DE68925615D1 (de) Digitalrechnersystem mit Niederstromverbrauchmodus
EP0463770A3 (en) Computer with cache
DE69307684D1 (de) Mikroprozessor mit verteilten Taktgebern
BR9007621A (pt) Mecanismo de descarga com baixo consumo de agua
EP0440456A3 (en) Microprocessor burst mode with external system memory
DE69503283D1 (de) Kessel mit Filter
GB9210714D0 (en) Filter with rotating wash manifold
EP0537355A4 (en) Clock with sensor
DE69520913D1 (de) Bilderzeugungsgerät mit Tonersparmittel
IL114841A (en) Optical warm stop with fresnel type reflective surface
IT9083618A0 (it) Trasferimento di dati in modo dma durante fasi di risveglio durante lostato di attesa per interruzione di un microprocessore con riduzione di consumo
EP0421431A3 (en) A computer system with a sleep function
GB2261753B (en) Multi-mode microprocessor with electrical pin for selective re-initialization of processor state
GB2246217B (en) Clock

Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970429