JPS641351A - Circuit tracing device - Google Patents
Circuit tracing deviceInfo
- Publication number
- JPS641351A JPS641351A JP62156981A JP15698187A JPS641351A JP S641351 A JPS641351 A JP S641351A JP 62156981 A JP62156981 A JP 62156981A JP 15698187 A JP15698187 A JP 15698187A JP S641351 A JPS641351 A JP S641351A
- Authority
- JP
- Japan
- Prior art keywords
- tracing information
- line
- data
- information accumulation
- accumulation instructing
- 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
- Computer And Data Communications (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
- Debugging And Monitoring (AREA)
Abstract
PURPOSE: To recognize the states before and after a protocol fault occurs, by providing a tracing information accumulating device which stores transmitting- receiving data outputted from a tracing information temporarily storing buffer.
CONSTITUTION: Upon detecting a protocol fault on a circuit, a protocol fault detecting circuit 1 outputs a tracing information accumulation instructing signal to a tracing information accumulation instructing line 7. The tracing information accumulation instructing signal outputted to the line 7 is sent to another tracing information accumulation instructing line 8 after the signal is delayed by a prescribed time by means of a delay circuit 4. When the tracing information accumulation instructing signal is given to the line 8, the data accumulated in a tracing information temporarily storing buffer 2 are stored in a tracing information accumulating device 3 through a tracing information accumulating data line 9. Therefore, the user of this device reads out only the data accumulated in the accumulating device 3 through an accumulated tracing information reading-out line 10 later, he can efficiently collect the data before and after the protocol fault occurs.
COPYRIGHT: (C)1989,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62-156981A JPH011351A (en) | 1987-06-23 | line tracing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62-156981A JPH011351A (en) | 1987-06-23 | line tracing device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS641351A true JPS641351A (en) | 1989-01-05 |
JPH011351A JPH011351A (en) | 1989-01-05 |
Family
ID=
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0764825A (en) * | 1993-08-25 | 1995-03-10 | Nec Corp | Automatic acquisition system for online fault data |
US8374841B2 (en) * | 2002-11-22 | 2013-02-12 | Texas Instruments Incorporated | Precise detection of triggers and trigger ordering for asynchronous events |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0764825A (en) * | 1993-08-25 | 1995-03-10 | Nec Corp | Automatic acquisition system for online fault data |
US8374841B2 (en) * | 2002-11-22 | 2013-02-12 | Texas Instruments Incorporated | Precise detection of triggers and trigger ordering for asynchronous events |
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