IT1030280B - Calcolatore elettronico con dispositivo per lo scambio di blocchi di carattere tra una memoria operativa ed un unita periferica - Google Patents

Calcolatore elettronico con dispositivo per lo scambio di blocchi di carattere tra una memoria operativa ed un unita periferica

Info

Publication number
IT1030280B
IT1030280B IT67565/75A IT6756575A IT1030280B IT 1030280 B IT1030280 B IT 1030280B IT 67565/75 A IT67565/75 A IT 67565/75A IT 6756575 A IT6756575 A IT 6756575A IT 1030280 B IT1030280 B IT 1030280B
Authority
IT
Italy
Prior art keywords
exchange
peripheral unit
electronic calculator
operating memory
character blocks
Prior art date
Application number
IT67565/75A
Other languages
English (en)
Original Assignee
C Olivetti Ing
C Spa
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 C Olivetti Ing, C Spa filed Critical C Olivetti Ing
Priority to IT67565/75A priority Critical patent/IT1030280B/it
Priority to US05/639,402 priority patent/US4032898A/en
Priority to GB6620/76A priority patent/GB1504082A/en
Priority to DE2609698A priority patent/DE2609698C2/de
Application granted granted Critical
Publication of IT1030280B publication Critical patent/IT1030280B/it

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
    • G06F13/287—Multiplexed DMA

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer And Data Communications (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Multi Processors (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
IT67565/75A 1975-03-06 1975-03-06 Calcolatore elettronico con dispositivo per lo scambio di blocchi di carattere tra una memoria operativa ed un unita periferica IT1030280B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT67565/75A IT1030280B (it) 1975-03-06 1975-03-06 Calcolatore elettronico con dispositivo per lo scambio di blocchi di carattere tra una memoria operativa ed un unita periferica
US05/639,402 US4032898A (en) 1975-03-06 1975-12-10 Interface control unit for transferring sets of characters between a peripheral unit and a computer memory
GB6620/76A GB1504082A (en) 1975-03-06 1976-02-19 Electronic computers
DE2609698A DE2609698C2 (de) 1975-03-06 1976-03-05 Elektronischer Rechner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67565/75A IT1030280B (it) 1975-03-06 1975-03-06 Calcolatore elettronico con dispositivo per lo scambio di blocchi di carattere tra una memoria operativa ed un unita periferica

Publications (1)

Publication Number Publication Date
IT1030280B true IT1030280B (it) 1979-03-30

Family

ID=11303477

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67565/75A IT1030280B (it) 1975-03-06 1975-03-06 Calcolatore elettronico con dispositivo per lo scambio di blocchi di carattere tra una memoria operativa ed un unita periferica

Country Status (4)

Country Link
US (1) US4032898A (it)
DE (1) DE2609698C2 (it)
GB (1) GB1504082A (it)
IT (1) IT1030280B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4130868A (en) * 1977-04-12 1978-12-19 International Business Machines Corporation Independently controllable multiple address registers for a data processor
US4110830A (en) * 1977-07-05 1978-08-29 International Business Machines Corporation Channel storage adapter
US4228501A (en) * 1978-06-21 1980-10-14 Data General Corporation Data transfer technique for use with peripheral storage devices
US4309755A (en) * 1979-08-22 1982-01-05 Bell Telephone Laboratories, Incorporated Computer input/output arrangement for enabling a simultaneous read/write data transfer
JPS57132256A (en) * 1981-02-09 1982-08-16 Sony Corp Memory device
CH654122A5 (de) * 1981-10-02 1986-01-31 Maag Zahnraeder & Maschinen Ag Schaltung zum verbinden eines prozessrechners ueber mehrere analogkanaele mit einer werkzeugmaschine.
US4665482A (en) * 1983-06-13 1987-05-12 Honeywell Information Systems Inc. Data multiplex control facility
US4665481A (en) * 1983-06-13 1987-05-12 Honeywell Information Systems Inc. Speeding up the response time of the direct multiplex control transfer facility
JPS63113623A (ja) * 1986-10-30 1988-05-18 Nec Corp セクタバツフア制御方式
US5163132A (en) * 1987-09-24 1992-11-10 Ncr Corporation Integrated controller using alternately filled and emptied buffers for controlling bi-directional data transfer between a processor and a data storage device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3550133A (en) * 1964-04-06 1970-12-22 Ibm Automatic channel apparatus
US3432813A (en) * 1966-04-19 1969-03-11 Ibm Apparatus for control of a plurality of peripheral devices
US3462741A (en) * 1966-07-25 1969-08-19 Ibm Automatic control of peripheral processors
US3702462A (en) * 1967-10-26 1972-11-07 Delaware Sds Inc Computer input-output system
GB1312504A (en) * 1970-05-20 1973-04-04 Ibm Control unit for serial data storage apparatus
US3673576A (en) * 1970-07-13 1972-06-27 Eg & G Inc Programmable computer-peripheral interface
US3801962A (en) * 1972-12-29 1974-04-02 Ibm Communication mechanism for data transfer and control between data processing systems and subsystems

Also Published As

Publication number Publication date
DE2609698C2 (de) 1983-12-08
DE2609698A1 (de) 1976-09-16
GB1504082A (en) 1978-03-15
US4032898A (en) 1977-06-28

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