JPS5256830A - Dma system of microcomputer - Google Patents
Dma system of microcomputerInfo
- Publication number
- JPS5256830A JPS5256830A JP50132452A JP13245275A JPS5256830A JP S5256830 A JPS5256830 A JP S5256830A JP 50132452 A JP50132452 A JP 50132452A JP 13245275 A JP13245275 A JP 13245275A JP S5256830 A JPS5256830 A JP S5256830A
- Authority
- JP
- Japan
- Prior art keywords
- microcomputer
- memory
- dma system
- data bus
- data
- 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.)
- Granted
Links
Landscapes
- Bus Control (AREA)
- Microcomputers (AREA)
Abstract
PURPOSE: When the data from memory is read out to data bus, the switch in data bus is closed. As a result, the date transfer is facilitated between memory and surrounding units without any central processor required. At the same time, the unit can be made small in size.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50132452A JPS5256830A (en) | 1975-11-06 | 1975-11-06 | Dma system of microcomputer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50132452A JPS5256830A (en) | 1975-11-06 | 1975-11-06 | Dma system of microcomputer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5256830A true JPS5256830A (en) | 1977-05-10 |
JPS5650286B2 JPS5650286B2 (en) | 1981-11-27 |
Family
ID=15081673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50132452A Granted JPS5256830A (en) | 1975-11-06 | 1975-11-06 | Dma system of microcomputer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5256830A (en) |
-
1975
- 1975-11-06 JP JP50132452A patent/JPS5256830A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5650286B2 (en) | 1981-11-27 |
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