JPS5687151A - Test and set system - Google Patents
Test and set systemInfo
- Publication number
- JPS5687151A JPS5687151A JP16398279A JP16398279A JPS5687151A JP S5687151 A JPS5687151 A JP S5687151A JP 16398279 A JP16398279 A JP 16398279A JP 16398279 A JP16398279 A JP 16398279A JP S5687151 A JPS5687151 A JP S5687151A
- Authority
- JP
- Japan
- Prior art keywords
- bus
- processor
- common bus
- common
- test
- 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
Landscapes
- Multi Processors (AREA)
- Memory System (AREA)
Abstract
PURPOSE: To occupy a common bus in readout/write-in of process control words, to avoid the occupany of an unnecessary common bus, and to increase the processing efficiency, by adding a simple control circuit to the test and set controller provided on the common bus.
CONSTITUTION: A plurality of processors 100, common memory device 200, and test and set control table device 400 are commonly connected to the address bus 501, data bus 502 and signal line 504. Further, the common bus usage request signal from the processor 100 is received, and the bus controller 300 transmitting the usage permission signal according to the priority of the processor 100 is connected to each processor 100 via the control bus 503. Further, the control table device 400 is provided with the control circuit which controls rewriting of the content of register with the write-in/readout signal from the processor 100, and the unnecesary occupancy of common bus due to the processor 100 is avoided and then processing efficiency is increased.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16398279A JPS5687151A (en) | 1979-12-19 | 1979-12-19 | Test and set system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16398279A JPS5687151A (en) | 1979-12-19 | 1979-12-19 | Test and set system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5687151A true JPS5687151A (en) | 1981-07-15 |
Family
ID=15784498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16398279A Pending JPS5687151A (en) | 1979-12-19 | 1979-12-19 | Test and set system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5687151A (en) |
-
1979
- 1979-12-19 JP JP16398279A patent/JPS5687151A/en active Pending
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