JPH0458898U - - Google Patents
Info
- Publication number
- JPH0458898U JPH0458898U JP9809690U JP9809690U JPH0458898U JP H0458898 U JPH0458898 U JP H0458898U JP 9809690 U JP9809690 U JP 9809690U JP 9809690 U JP9809690 U JP 9809690U JP H0458898 U JPH0458898 U JP H0458898U
- Authority
- JP
- Japan
- Prior art keywords
- eeprom
- data
- timer
- writing
- continuously changing
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Techniques For Improving Reliability Of Storages (AREA)
Description
第１図及び第２図はこの考案に係るＥＥＰＲＯ
Ｍの書込装置の実施例を示し、第１図は機能ブロ
ツク図、第２図はハードウエアのブロツク図であ
る。
主な符号の説明、１……ＥＥＰＲＯＭ、２ａ…
…データ、３……マイクロコンピユータ、３ａ…
…書込手段、３ｂ……検出手段、４……タイマー
。
Figures 1 and 2 show the EEPRO according to this invention.
FIG. 1 is a functional block diagram, and FIG. 2 is a hardware block diagram. Explanation of main symbols, 1...EEPROM, 2a...
...Data, 3...Microcomputer, 3a...
...Writing means, 3b...Detection means, 4...Timer.
Claims (1)
ＲＯＭに書き込むべきデータと、前記データをＥ
ＥＰＲＯＭに書き込むための書込手段とからなる
ＥＥＰＲＯＭの書込装置において、 前記データが連続して変化している状態か否か
を検出する検出手段と、タイマーとを設け、前記
データが連続して変化していない状態であること
を前記検出手段が検出すると前記タイマーを起動
せしめ前記タイマーに基づき前記書込手段は確定
したデータをＥＥＰＲＯＭに書き込むように構成
したことを特徴とするＥＥＰＲＯＭの書込装置。[Claims for Utility Model Registration] EEPROM, which is a memory device, and the EEPROM
The data to be written to ROM and the data
An EEPROM writing device comprising a writing means for writing to an EPROM, which includes a detection means for detecting whether the data is continuously changing and a timer, and a timer is provided to detect whether the data is continuously changing. A writing device for an EEPROM, characterized in that when the detection means detects that the state has not changed, the timer is started, and the writing means writes determined data into the EEPROM based on the timer. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9809690U JP2528990Y2 (en) | 1990-09-20 | 1990-09-20 | EEPROM writing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9809690U JP2528990Y2 (en) | 1990-09-20 | 1990-09-20 | EEPROM writing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0458898U true JPH0458898U (en) | 1992-05-20 |
| JP2528990Y2 JP2528990Y2 (en) | 1997-03-12 |
Family
ID=31839011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9809690U Expired - Lifetime JP2528990Y2 (en) | 1990-09-20 | 1990-09-20 | EEPROM writing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2528990Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001195314A (en) * | 2000-01-07 | 2001-07-19 | Canon Inc | Backup storage controller, backup storage control method and storage medium |
| JP2009199219A (en) * | 2008-02-20 | 2009-09-03 | Yamatake Corp | Pid control device, and method for protecting nonvolatile memory |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4636118B2 (en) * | 2008-05-12 | 2011-02-23 | 株式会社デンソー | Electronic device and program |
-
1990
- 1990-09-20 JP JP9809690U patent/JP2528990Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001195314A (en) * | 2000-01-07 | 2001-07-19 | Canon Inc | Backup storage controller, backup storage control method and storage medium |
| JP2009199219A (en) * | 2008-02-20 | 2009-09-03 | Yamatake Corp | Pid control device, and method for protecting nonvolatile memory |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2528990Y2 (en) | 1997-03-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |