CA1149070A - Synchronous cycle steal mechanism for transferring data between a processor storage unit and a separate data handling unit - Google Patents
Synchronous cycle steal mechanism for transferring data between a processor storage unit and a separate data handling unitInfo
- Publication number
- CA1149070A CA1149070A CA000352402A CA352402A CA1149070A CA 1149070 A CA1149070 A CA 1149070A CA 000352402 A CA000352402 A CA 000352402A CA 352402 A CA352402 A CA 352402A CA 1149070 A CA1149070 A CA 1149070A
- Authority
- CA
- Canada
- Prior art keywords
- data
- address
- microprocessor
- controller
- processor
- 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
- 230000007246 mechanism Effects 0.000 title claims abstract description 41
- 230000001360 synchronised effect Effects 0.000 title description 3
- 238000012546 transfer Methods 0.000 claims abstract description 136
- 238000012545 processing Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 9
- 230000004913 activation Effects 0.000 claims description 4
- 230000003213 activating effect Effects 0.000 claims 5
- 230000009977 dual effect Effects 0.000 description 69
- 238000010276 construction Methods 0.000 description 21
- 240000007320 Pinus strobus Species 0.000 description 16
- 101100490184 Drosophila melanogaster Ack gene Proteins 0.000 description 12
- 230000000875 corresponding effect Effects 0.000 description 10
- 230000006870 function Effects 0.000 description 9
- 230000004044 response Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000000872 buffer Substances 0.000 description 5
- 238000004891 communication Methods 0.000 description 5
- 230000006854 communication Effects 0.000 description 5
- 244000187656 Eucalyptus cornuta Species 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 101100061188 Drosophila melanogaster dila gene Proteins 0.000 description 1
- 240000001973 Ficus microcarpa Species 0.000 description 1
- 102220492485 Selenoprotein V_D21A_mutation Human genes 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000011022 operating instruction Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000002226 simultaneous effect Effects 0.000 description 1
- GABUSZPTCJGKGB-UHFFFAOYSA-M sodium;4-(4-chloro-2-methylphenoxy)butanoate Chemical compound [Na+].CC1=CC(Cl)=CC=C1OCCCC([O-])=O GABUSZPTCJGKGB-UHFFFAOYSA-M 0.000 description 1
Landscapes
- Bus Control (AREA)
- Programmable Controllers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US6226279A | 1979-07-30 | 1979-07-30 | |
| US062,262 | 1987-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1149070A true CA1149070A (en) | 1983-06-28 |
Family
ID=22041308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000352402A Expired CA1149070A (en) | 1979-07-30 | 1980-05-21 | Synchronous cycle steal mechanism for transferring data between a processor storage unit and a separate data handling unit |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5820061B2 (pt) |
| AU (1) | AU534605B2 (pt) |
| BR (1) | BR8004730A (pt) |
| CA (1) | CA1149070A (pt) |
| ES (1) | ES493786A0 (pt) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01116846U (pt) * | 1988-02-01 | 1989-08-07 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53108732A (en) * | 1977-03-04 | 1978-09-21 | Hitachi Ltd | Direct memory access system |
| JPS581811B2 (ja) * | 1977-11-04 | 1983-01-13 | 富士通株式会社 | ダイレクト・メモリ・アクセス制御方式 |
| JPS54127235A (en) * | 1978-03-27 | 1979-10-03 | Toshiba Corp | Direct memory access unit |
| JPS5549728A (en) * | 1978-10-04 | 1980-04-10 | Hitachi Ltd | Data transfer system |
-
1980
- 1980-05-21 CA CA000352402A patent/CA1149070A/en not_active Expired
- 1980-06-05 AU AU59081/80A patent/AU534605B2/en not_active Ceased
- 1980-07-04 JP JP55090790A patent/JPS5820061B2/ja not_active Expired
- 1980-07-29 BR BR8004730A patent/BR8004730A/pt unknown
- 1980-07-29 ES ES493786A patent/ES493786A0/es active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| AU5908180A (en) | 1981-02-05 |
| ES8104593A1 (es) | 1981-04-01 |
| JPS5621223A (en) | 1981-02-27 |
| AU534605B2 (en) | 1984-02-09 |
| ES493786A0 (es) | 1981-04-01 |
| JPS5820061B2 (ja) | 1983-04-21 |
| BR8004730A (pt) | 1981-02-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |