JPS62187349U - - Google Patents
Info
- Publication number
- JPS62187349U JPS62187349U JP7483186U JP7483186U JPS62187349U JP S62187349 U JPS62187349 U JP S62187349U JP 7483186 U JP7483186 U JP 7483186U JP 7483186 U JP7483186 U JP 7483186U JP S62187349 U JPS62187349 U JP S62187349U
- Authority
- JP
- Japan
- Prior art keywords
- memory
- power supply
- backup power
- data
- area
- 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 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Power Sources (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
Description
第１図は本考案のフローチヤート図、第２図は
メモリ内のエリアパターン、第３図は従来例の回
路図である。
Ｍ……メモリ、ｎ……エリア。
FIG. 1 is a flowchart of the present invention, FIG. 2 is an area pattern in a memory, and FIG. 3 is a circuit diagram of a conventional example. M...Memory, n...Area.
Claims (1)
と、パターン一致判断手段と、全エリア比較手段
と、メモリのクリア手段とからなり、メモリ内の
或るエリアのデータパタンを予め決めておき、プ
ログラムスタート時当該エリアデータをチエツク
し、データパターンの崩れの有無によつて、メモ
リバツクアツプ電源切れを判断するようにしたこ
とを特徴とするメモリバツクアツプ電源電圧検出
装置。 It consists of a memory data reading means for backup detection, a pattern matching judgment means, an all area comparison means, and a memory clearing means.The data pattern of a certain area in the memory is determined in advance, and the data in the area is read at the start of the program. 1. A memory backup power supply voltage detection device, characterized in that a memory backup power supply voltage detection device is configured to check whether a data pattern is corrupted or not, and determine whether or not the memory backup power supply has been cut off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7483186U JPS62187349U (en) | 1986-05-19 | 1986-05-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7483186U JPS62187349U (en) | 1986-05-19 | 1986-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62187349U true JPS62187349U (en) | 1987-11-28 |
Family
ID=30920413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7483186U Pending JPS62187349U (en) | 1986-05-19 | 1986-05-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62187349U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH031209A (en) * | 1989-05-29 | 1991-01-07 | Rinnai Corp | Control method using microcomputer |
-
1986
- 1986-05-19 JP JP7483186U patent/JPS62187349U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH031209A (en) * | 1989-05-29 | 1991-01-07 | Rinnai Corp | Control method using microcomputer |