JPS5582328A - Common bus control system - Google Patents
Common bus control systemInfo
- Publication number
- JPS5582328A JPS5582328A JP14622778A JP14622778A JPS5582328A JP S5582328 A JPS5582328 A JP S5582328A JP 14622778 A JP14622778 A JP 14622778A JP 14622778 A JP14622778 A JP 14622778A JP S5582328 A JPS5582328 A JP S5582328A
- Authority
- JP
- Japan
- Prior art keywords
- ioc
- signal
- address
- transmitted
- common
- 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
Abstract
PURPOSE: To make it possible to give an IOC register address independently by providing signal transmission busses of address information commonly from common control unit CTL to I/O control unit IOC and providing them from IOC to CTL for every IOC.
CONSTITUTION: Common busses are constituted by address information lines ADBOWADB15, S signal (signal indicating availability of address information) line SO from CTLWIOC which is common to every IOC, and S signal lines S1W Sn from IOCWCTL which are provided for every IOC. In respect to information transfer from main memory MMWIOC, register address information of IO is transmitted to a common bus through control part CONT of CTL, and simultaneously, a S signal is transmitted to the SO line, and data is stored in a pertinent IOC register. Information from IOCWMM is transmitted to the common bus, and simultaneously, the S signal is transmitted to pertinent one of signal lines S1WSn, and data is accessed at the pertinent address of MM. As a result, the IO register address can be given independently of the MM address.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14622778A JPS583247B2 (en) | 1978-11-27 | 1978-11-27 | Common bus control method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14622778A JPS583247B2 (en) | 1978-11-27 | 1978-11-27 | Common bus control method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5582328A true JPS5582328A (en) | 1980-06-21 |
JPS583247B2 JPS583247B2 (en) | 1983-01-20 |
Family
ID=15402975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14622778A Expired JPS583247B2 (en) | 1978-11-27 | 1978-11-27 | Common bus control method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS583247B2 (en) |
-
1978
- 1978-11-27 JP JP14622778A patent/JPS583247B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS583247B2 (en) | 1983-01-20 |
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