CA1143853A - Busy indicating arrangement for bus in a data processing system - Google Patents
Busy indicating arrangement for bus in a data processing systemInfo
- Publication number
- CA1143853A CA1143853A CA000347498A CA347498A CA1143853A CA 1143853 A CA1143853 A CA 1143853A CA 000347498 A CA000347498 A CA 000347498A CA 347498 A CA347498 A CA 347498A CA 1143853 A CA1143853 A CA 1143853A
- Authority
- CA
- Canada
- Prior art keywords
- data
- bus
- information
- interconnection
- dbbz
- 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
Links
- 238000012545 processing Methods 0.000 title claims abstract description 31
- 238000012546 transfer Methods 0.000 claims abstract description 23
- 230000000694 effects Effects 0.000 claims description 2
- 230000015654 memory Effects 0.000 description 35
- 230000006870 function Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000490229 Eucephalus Species 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000063 preceeding effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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
- G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
- G06F13/368—Handling requests for interconnection or transfer for access to common bus or bus system with decentralised access control
- G06F13/374—Handling requests for interconnection or transfer for access to common bus or bus system with decentralised access control using a self-select method with individual priority code comparator
-
- 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
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
- G06F13/4208—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a system bus, e.g. VME bus, Futurebus, Multibus
- G06F13/4217—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a system bus, e.g. VME bus, Futurebus, Multibus with synchronous protocol
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Bus Control (AREA)
- Multi Processors (AREA)
- Memory System (AREA)
- Microcomputers (AREA)
- Information Transfer Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1935179A | 1979-03-12 | 1979-03-12 | |
US019,351 | 1979-03-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1143853A true CA1143853A (en) | 1983-03-29 |
Family
ID=21792737
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000347498A Expired CA1143853A (en) | 1979-03-12 | 1980-03-12 | Busy indicating arrangement for bus in a data processing system |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS6051151B2 (it) |
AU (1) | AU542538B2 (it) |
BR (1) | BR8001527A (it) |
CA (1) | CA1143853A (it) |
DE (1) | DE3009529A1 (it) |
ES (1) | ES489424A0 (it) |
FR (1) | FR2451601A1 (it) |
GB (1) | GB2044967A (it) |
IT (1) | IT1129639B (it) |
SE (1) | SE8001908L (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU576348B2 (en) * | 1984-02-29 | 1988-08-25 | Measurex Corporation | Processing information |
US4669056A (en) * | 1984-07-31 | 1987-05-26 | International Business Machines Corporation | Data processing system with a plurality of processors accessing a common bus to interleaved storage |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2997896A (en) * | 1958-10-08 | 1961-08-29 | Preston Martin | Variable speed drives |
US3999170A (en) * | 1975-01-08 | 1976-12-21 | Hewlett-Packard Company | Multiple access interconnect system |
CA1114517A (en) * | 1977-10-25 | 1981-12-15 | Digital Equipment Corporation | Data processing system with read operation splitting |
-
1980
- 1980-03-11 ES ES489424A patent/ES489424A0/es active Granted
- 1980-03-11 SE SE8001908A patent/SE8001908L/ not_active Application Discontinuation
- 1980-03-12 DE DE19803009529 patent/DE3009529A1/de not_active Withdrawn
- 1980-03-12 IT IT20544/80A patent/IT1129639B/it active
- 1980-03-12 FR FR8005575A patent/FR2451601A1/fr active Pending
- 1980-03-12 JP JP55031490A patent/JPS6051151B2/ja not_active Expired
- 1980-03-12 AU AU56376/80A patent/AU542538B2/en not_active Ceased
- 1980-03-12 BR BR8001527A patent/BR8001527A/pt unknown
- 1980-03-12 GB GB8008339A patent/GB2044967A/en not_active Withdrawn
- 1980-03-12 CA CA000347498A patent/CA1143853A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU5637680A (en) | 1980-09-18 |
IT1129639B (it) | 1986-06-11 |
ES8103407A1 (es) | 1981-02-16 |
DE3009529A1 (de) | 1980-09-25 |
JPS55134427A (en) | 1980-10-20 |
IT8020544A0 (it) | 1980-03-12 |
FR2451601A1 (fr) | 1980-10-10 |
GB2044967A (en) | 1980-10-22 |
AU542538B2 (en) | 1985-02-28 |
ES489424A0 (es) | 1981-02-16 |
SE8001908L (sv) | 1980-09-13 |
JPS6051151B2 (ja) | 1985-11-12 |
BR8001527A (pt) | 1980-11-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |