JPS5424553A - Control system for data transfer - Google Patents
Control system for data transferInfo
- Publication number
- JPS5424553A JPS5424553A JP8992777A JP8992777A JPS5424553A JP S5424553 A JPS5424553 A JP S5424553A JP 8992777 A JP8992777 A JP 8992777A JP 8992777 A JP8992777 A JP 8992777A JP S5424553 A JPS5424553 A JP S5424553A
- Authority
- JP
- Japan
- Prior art keywords
- data transfer
- control system
- dma
- delivering
- microprocessor
- 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.)
- Pending
Links
Abstract
PURPOSE: To reduce the processing time, by delivering the DMA instruction information required for the input and output instruction once by CPU to the DMA control circuit, in the control system at the data transfer by the direct memory access (DMA) of a microprocessor.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8992777A JPS5424553A (en) | 1977-07-27 | 1977-07-27 | Control system for data transfer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8992777A JPS5424553A (en) | 1977-07-27 | 1977-07-27 | Control system for data transfer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5424553A true JPS5424553A (en) | 1979-02-23 |
Family
ID=13984323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8992777A Pending JPS5424553A (en) | 1977-07-27 | 1977-07-27 | Control system for data transfer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5424553A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58172731A (en) * | 1982-04-02 | 1983-10-11 | Nec Corp | Data transmission system |
JPS5960631A (en) * | 1982-09-30 | 1984-04-06 | Fujitsu Ltd | System for controlling data transfer |
JPS61850A (en) * | 1984-05-25 | 1986-01-06 | Fujitsu Ltd | Control system for transfer of dma transmission |
JPS63142416A (en) * | 1986-12-04 | 1988-06-14 | Fujitsu Ltd | Input/output control system |
-
1977
- 1977-07-27 JP JP8992777A patent/JPS5424553A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58172731A (en) * | 1982-04-02 | 1983-10-11 | Nec Corp | Data transmission system |
JPS6224829B2 (en) * | 1982-04-02 | 1987-05-30 | Nippon Electric Co | |
JPS5960631A (en) * | 1982-09-30 | 1984-04-06 | Fujitsu Ltd | System for controlling data transfer |
JPH0115904B2 (en) * | 1982-09-30 | 1989-03-22 | Fujitsu Ltd | |
JPS61850A (en) * | 1984-05-25 | 1986-01-06 | Fujitsu Ltd | Control system for transfer of dma transmission |
JPH0238970B2 (en) * | 1984-05-25 | 1990-09-03 | Fujitsu Ltd | |
JPS63142416A (en) * | 1986-12-04 | 1988-06-14 | Fujitsu Ltd | Input/output control system |
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