JPH0325942U - - Google Patents
Info
- Publication number
- JPH0325942U JPH0325942U JP8548489U JP8548489U JPH0325942U JP H0325942 U JPH0325942 U JP H0325942U JP 8548489 U JP8548489 U JP 8548489U JP 8548489 U JP8548489 U JP 8548489U JP H0325942 U JPH0325942 U JP H0325942U
- Authority
- JP
- Japan
- Prior art keywords
- change detection
- signal
- generates
- data
- mode register
- 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
- 238000001514 detection method Methods 0.000 claims description 8
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 230000005856 abnormality Effects 0.000 claims 3
- 230000002159 abnormal effect Effects 0.000 description 2
Landscapes
- Debugging And Monitoring (AREA)
Description
第１図は本考案の一実施例図、第２図は従来例
である。
１……異常信号、２……異常信号発生回路、３
……書き込み信号、４……モードレジスタ、５…
…変化検出回路、６……変化検出信号、７……ク
リア信号、８……ウオツチドツグタイマ。
FIG. 1 shows an embodiment of the present invention, and FIG. 2 shows a conventional example. 1...Abnormal signal, 2...Abnormal signal generation circuit, 3
...Write signal, 4...Mode register, 5...
...Change detection circuit, 6...Change detection signal, 7...Clear signal, 8...Watchdog timer.
Claims (1)
クロコンピユータの動作を記憶するモードレジス
タと、前記モードレジスタのデータが変化した時
に変化検出信号を発生する変化検出回路と、書き
込み信号が発生していない状態において、変化検
出信号が発生した場合に異常信号を発生する異常
信号発生回路とを有する異常検出回路。 a mode register in which data is written in synchronization with a write signal and stores the operation of the microcomputer; a change detection circuit that generates a change detection signal when the data in the mode register changes; and a change detection circuit that generates a change detection signal when the data in the mode register changes; An abnormality detection circuit comprising: an abnormality signal generation circuit that generates an abnormality signal when a change detection signal is generated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8548489U JPH0325942U (en) | 1989-07-19 | 1989-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8548489U JPH0325942U (en) | 1989-07-19 | 1989-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0325942U true JPH0325942U (en) | 1991-03-18 |
Family
ID=31634645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8548489U Pending JPH0325942U (en) | 1989-07-19 | 1989-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0325942U (en) |
-
1989
- 1989-07-19 JP JP8548489U patent/JPH0325942U/ja active Pending
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