FR2406251B1 - IMPROVEMENTS TO A DATA TRANSFER CONTROL SYSTEM - Google Patents
IMPROVEMENTS TO A DATA TRANSFER CONTROL SYSTEMInfo
- Publication number
- FR2406251B1 FR2406251B1 FR7822752A FR7822752A FR2406251B1 FR 2406251 B1 FR2406251 B1 FR 2406251B1 FR 7822752 A FR7822752 A FR 7822752A FR 7822752 A FR7822752 A FR 7822752A FR 2406251 B1 FR2406251 B1 FR 2406251B1
- Authority
- FR
- France
- Prior art keywords
- control system
- data transfer
- transfer control
- data
- transfer
- 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)
- Communication Control (AREA)
- Information Transfer Systems (AREA)
- Memory System Of A Hierarchy Structure (AREA)
- Debugging And Monitoring (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/821,900 US4204250A (en) | 1977-08-04 | 1977-08-04 | Range count and main memory address accounting system |
US05/821,931 US4159532A (en) | 1977-08-04 | 1977-08-04 | FIFO look-ahead system |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2406251A1 FR2406251A1 (en) | 1979-05-11 |
FR2406251B1 true FR2406251B1 (en) | 1986-01-10 |
Family
ID=27124602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7822752A Expired FR2406251B1 (en) | 1977-08-04 | 1978-08-01 | IMPROVEMENTS TO A DATA TRANSFER CONTROL SYSTEM |
Country Status (3)
Country | Link |
---|---|
DE (2) | DE2831709A1 (en) |
FR (1) | FR2406251B1 (en) |
GB (2) | GB2002936B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3241356A1 (en) * | 1982-11-09 | 1984-05-10 | Siemens AG, 1000 Berlin und 8000 München | DEVICE FOR MICROPROGRAM CONTROL OF AN INFORMATION TRANSFER AND METHOD FOR THEIR OPERATION |
JP2004070570A (en) * | 2002-08-05 | 2004-03-04 | Seiko Epson Corp | Data transfer control system, electronic equipment, program and data transfer control method |
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 (en) * | 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 DE19782831709 patent/DE2831709A1/en active Granted
- 1978-07-19 DE DE19782858284 patent/DE2858284C2/de not_active Expired
- 1978-08-01 FR FR7822752A patent/FR2406251B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2061577A (en) | 1981-05-13 |
GB2002936B (en) | 1982-04-28 |
GB2061577B (en) | 1982-10-20 |
DE2831709A1 (en) | 1979-02-22 |
DE2858284C2 (en) | 1987-05-21 |
DE2858284A1 (en) | 1985-07-04 |
FR2406251A1 (en) | 1979-05-11 |
DE2831709C2 (en) | 1990-10-04 |
GB2002936A (en) | 1979-02-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |