GB2061577B - Data transfer control in a peripheral controller - Google Patents
Data transfer control in a peripheral controllerInfo
- Publication number
- GB2061577B GB2061577B GB8040431A GB8040431A GB2061577B GB 2061577 B GB2061577 B GB 2061577B GB 8040431 A GB8040431 A GB 8040431A GB 8040431 A GB8040431 A GB 8040431A GB 2061577 B GB2061577 B GB 2061577B
- Authority
- GB
- United Kingdom
- Prior art keywords
- data transfer
- transfer control
- peripheral controller
- peripheral
- controller
- 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
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
- G06F5/06—Methods or arrangements for data conversion without changing the order or content of the data handled for changing the speed of data flow, i.e. speed regularising or timing, e.g. delay lines, FIFO buffers; over- or underrun control therefor
- G06F5/10—Methods or arrangements for data conversion without changing the order or content of the data handled for changing the speed of data flow, i.e. speed regularising or timing, e.g. delay lines, FIFO buffers; over- or underrun control therefor having a sequence of storage locations each being individually accessible for both enqueue and dequeue operations, e.g. using random access memory
- G06F5/12—Means for monitoring the fill level; Means for resolving contention, i.e. conflicts between simultaneous enqueue and dequeue operations
- G06F5/14—Means for monitoring the fill level; Means for resolving contention, i.e. conflicts between simultaneous enqueue and dequeue operations for overflow or underflow handling, e.g. full or empty flags
-
- 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
- G06F13/10—Program control for peripheral devices
- G06F13/12—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor
- G06F13/124—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware is a sequential transfer control unit, e.g. microprocessor, peripheral processor or state-machine
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Bus Control (AREA)
- Memory System Of A Hierarchy Structure (AREA)
- Debugging And Monitoring (AREA)
- Communication Control (AREA)
- Information Transfer Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/821,931 US4159532A (en) | 1977-08-04 | 1977-08-04 | FIFO look-ahead system |
US05/821,900 US4204250A (en) | 1977-08-04 | 1977-08-04 | Range count and main memory address accounting system |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2061577A GB2061577A (en) | 1981-05-13 |
GB2061577B true GB2061577B (en) | 1982-10-20 |
Family
ID=27124602
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7827118A Expired GB2002936B (en) | 1977-08-04 | 1978-06-16 | Data transfer control systems |
GB8040431A Expired GB2061577B (en) | 1977-08-04 | 1978-06-16 | Data transfer control in a peripheral controller |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7827118A Expired GB2002936B (en) | 1977-08-04 | 1978-06-16 | Data transfer control systems |
Country Status (3)
Country | Link |
---|---|
DE (2) | DE2858284C2 (US07534539-20090519-C00603.png) |
FR (1) | FR2406251B1 (US07534539-20090519-C00603.png) |
GB (2) | GB2002936B (US07534539-20090519-C00603.png) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3241356A1 (de) * | 1982-11-09 | 1984-05-10 | Siemens AG, 1000 Berlin und 8000 München | Vorrichtung zur mikroprogramm-steuerung eines informationstransfers und verfahren zu ihrem betrieb |
JP2004070570A (ja) | 2002-08-05 | 2004-03-04 | Seiko Epson Corp | データ転送制御システム、電子機器、プログラム及びデータ転送制御方法 |
GB2500255B (en) | 2012-03-16 | 2020-04-15 | Oxsensis Ltd | Optical sensor |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3351917A (en) * | 1965-02-05 | 1967-11-07 | Burroughs Corp | Information storage and retrieval system having a dynamic memory device |
GB1264096A (US07534539-20090519-C00603.png) * | 1970-06-27 | 1972-02-16 | ||
GB1447627A (en) * | 1972-12-11 | 1976-08-25 | Cable & Wireless Ltd | Buffer stores |
FR2260141A1 (en) * | 1974-02-01 | 1975-08-29 | Honeywell Bull Soc Ind | Data transfer control for data processor - is used between periodic and non-periodic units employing buffer memory |
US3993981A (en) * | 1975-06-30 | 1976-11-23 | Honeywell Information Systems, Inc. | Apparatus for processing data transfer requests in a data processing system |
-
1978
- 1978-06-16 GB GB7827118A patent/GB2002936B/en not_active Expired
- 1978-06-16 GB GB8040431A patent/GB2061577B/en not_active Expired
- 1978-07-19 DE DE19782858284 patent/DE2858284C2/de not_active Expired
- 1978-07-19 DE DE19782831709 patent/DE2831709A1/de active Granted
- 1978-08-01 FR FR7822752A patent/FR2406251B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2406251A1 (fr) | 1979-05-11 |
FR2406251B1 (fr) | 1986-01-10 |
GB2061577A (en) | 1981-05-13 |
GB2002936A (en) | 1979-02-28 |
DE2858284C2 (US07534539-20090519-C00603.png) | 1987-05-21 |
DE2858284A1 (US07534539-20090519-C00603.png) | 1985-07-04 |
DE2831709C2 (US07534539-20090519-C00603.png) | 1990-10-04 |
GB2002936B (en) | 1982-04-28 |
DE2831709A1 (de) | 1979-02-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19950616 |