JPS5456336A - Diagnosis system for processor - Google Patents
Diagnosis system for processorInfo
- Publication number
- JPS5456336A JPS5456336A JP12236277A JP12236277A JPS5456336A JP S5456336 A JPS5456336 A JP S5456336A JP 12236277 A JP12236277 A JP 12236277A JP 12236277 A JP12236277 A JP 12236277A JP S5456336 A JPS5456336 A JP S5456336A
- Authority
- JP
- Japan
- Prior art keywords
- diagnosis
- scan
- data
- channel
- group
- 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
- Hardware Redundancy (AREA)
- Test And Diagnosis Of Digital Computers (AREA)
Abstract
PURPOSE: To reduce the quantity of diagnosis data as well as the hardware to store the data, by using the same diagnosis data for diagnosis of plural units of the processor constituted with the same circuit.
CONSTITUTION: Channel 20 and 30 constituted with the same circuit as the diagnosed devices are connected to channel control unit 10. At the same time, both the diagnosis data and the conversion table only for channel 20, for example, are prepared to main memory MM. As for channel 30, the address conversion is given for the scan-in data and the expected value via the diagnosis data of channel 20 stored in MM, and the conversion table is used for the scan-in and scan-out addresses, and then the diagnosis is carried out. In other words, ther conversion table is used to convert the scan-in and scan-out addresses from FF group 11 and 21 to 13 and 31 respectively. The scan-in data is then put into FF group 12 and 13, and the scan-out data of group 31 is compared with the expected value then. Thus, the diagnosis is carried out for diagnosis logic part 32
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12236277A JPS5456336A (en) | 1977-10-14 | 1977-10-14 | Diagnosis system for processor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12236277A JPS5456336A (en) | 1977-10-14 | 1977-10-14 | Diagnosis system for processor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5456336A true JPS5456336A (en) | 1979-05-07 |
Family
ID=14834001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12236277A Pending JPS5456336A (en) | 1977-10-14 | 1977-10-14 | Diagnosis system for processor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5456336A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6375845A (en) * | 1986-09-18 | 1988-04-06 | Fujitsu Ltd | Testing system for ras circuit |
-
1977
- 1977-10-14 JP JP12236277A patent/JPS5456336A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6375845A (en) * | 1986-09-18 | 1988-04-06 | Fujitsu Ltd | Testing system for ras circuit |
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