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 perifericaInfo
- 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
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)
- Multi Processors (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
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)
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. |
US4665481A (en) * | 1983-06-13 | 1987-05-12 | Honeywell Information Systems Inc. | Speeding up the response time of the direct multiplex control transfer facility |
US4665482A (en) * | 1983-06-13 | 1987-05-12 | Honeywell Information Systems Inc. | Data multiplex control 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)
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 |
-
1975
- 1975-03-06 IT IT67565/75A patent/IT1030280B/it active
- 1975-12-10 US US05/639,402 patent/US4032898A/en not_active Expired - Lifetime
-
1976
- 1976-02-19 GB GB6620/76A patent/GB1504082A/en not_active Expired
- 1976-03-05 DE DE2609698A patent/DE2609698C2/de not_active Expired
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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