JPS5491032A - Data channel device - Google Patents
Data channel deviceInfo
- Publication number
- JPS5491032A JPS5491032A JP15796577A JP15796577A JPS5491032A JP S5491032 A JPS5491032 A JP S5491032A JP 15796577 A JP15796577 A JP 15796577A JP 15796577 A JP15796577 A JP 15796577A JP S5491032 A JPS5491032 A JP S5491032A
- Authority
- JP
- Japan
- Prior art keywords
- data
- transfer
- permit
- request
- channels
- 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
- Multi Processors (AREA)
- Information Transfer Systems (AREA)
Abstract
PURPOSE: To enable a unit to which several electronic computer systems are directly connected to transfer data and addresses amoung data channels via one common bus and also to any one of several transfer destinations.
CONSTITUTION: Several electronic computers 100, 101 and 10n are connected directly to data channels 300, 301 and 30n, which are connected together via common data bus line 400 and data-transfer request-permit control line 500. In addition to data separator circuits generating data request signals and memory-unit address registers and data-amount registers stored respectively with address information and data-amount information, those channels 300 to 30n are equipped with channel control circuits which receive the signal of a control information holding register sending out a transfer-end indication signal by detecting that counting and transfer at every transmission unit are completed, and data-transfer request permit control circuits which send out data transfer permit signals answering to data request signals.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15796577A JPS5491032A (en) | 1977-12-28 | 1977-12-28 | Data channel device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15796577A JPS5491032A (en) | 1977-12-28 | 1977-12-28 | Data channel device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5491032A true JPS5491032A (en) | 1979-07-19 |
JPS612226B2 JPS612226B2 (en) | 1986-01-23 |
Family
ID=15661307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15796577A Granted JPS5491032A (en) | 1977-12-28 | 1977-12-28 | Data channel device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5491032A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6267664A (en) * | 1985-09-20 | 1987-03-27 | Canon Inc | Data transfer system |
WO1989008886A1 (en) * | 1988-03-09 | 1989-09-21 | Fanuc Ltd | Data exchange between a plurality of processors |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02149582U (en) * | 1989-05-22 | 1990-12-20 |
-
1977
- 1977-12-28 JP JP15796577A patent/JPS5491032A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6267664A (en) * | 1985-09-20 | 1987-03-27 | Canon Inc | Data transfer system |
WO1989008886A1 (en) * | 1988-03-09 | 1989-09-21 | Fanuc Ltd | Data exchange between a plurality of processors |
Also Published As
Publication number | Publication date |
---|---|
JPS612226B2 (en) | 1986-01-23 |
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