JPS6435641A - Data monitoring system for bus - Google Patents
Data monitoring system for busInfo
- Publication number
- JPS6435641A JPS6435641A JP62191302A JP19130287A JPS6435641A JP S6435641 A JPS6435641 A JP S6435641A JP 62191302 A JP62191302 A JP 62191302A JP 19130287 A JP19130287 A JP 19130287A JP S6435641 A JPS6435641 A JP S6435641A
- Authority
- JP
- Japan
- Prior art keywords
- bus
- data
- monitor device
- circuit
- written
- 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
- Debugging And Monitoring (AREA)
- Small-Scale Networks (AREA)
- Selective Calling Equipment (AREA)
Abstract
PURPOSE:To simplify editing and a retrieval of a data by bringing a bus monitor device to a successive connection to a central processor to which plural units are brought to a successive connection by a bus, and providing a means for editing and retrieving a data of the bus on said device. CONSTITUTION:A data which is transmitted from a central processor is inputted through a bus connector 8, and also, passes through a bus gate driver in a bus monitor device and transmitted to a unit. The data reaches a selection instructing circuit 13 of write by a bus in the bus monitor device, and a data inputted to a memory 12 is selected therein. For instance, when a specific address is brought to an access, when a specific data such as 'FFFF' is written to the specific address, a condition such as the time of generation of a parity error is set in the circuit 13 by a selection of a keyboard 21 and a command from a control part 11. When the condition coincides, a gate 15 is opened by an output signal of the circuit 13, and it suffices that a prescribed input data is written in the memory 12.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62191302A JPS6435641A (en) | 1987-07-30 | 1987-07-30 | Data monitoring system for bus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62191302A JPS6435641A (en) | 1987-07-30 | 1987-07-30 | Data monitoring system for bus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6435641A true JPS6435641A (en) | 1989-02-06 |
Family
ID=16272301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62191302A Pending JPS6435641A (en) | 1987-07-30 | 1987-07-30 | Data monitoring system for bus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6435641A (en) |
-
1987
- 1987-07-30 JP JP62191302A patent/JPS6435641A/en active Pending
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