JPH0235223U - - Google Patents
Info
- Publication number
- JPH0235223U JPH0235223U JP11193688U JP11193688U JPH0235223U JP H0235223 U JPH0235223 U JP H0235223U JP 11193688 U JP11193688 U JP 11193688U JP 11193688 U JP11193688 U JP 11193688U JP H0235223 U JPH0235223 U JP H0235223U
- Authority
- JP
- Japan
- Prior art keywords
- battery
- voltage
- volatile storage
- data processing
- detection means
- 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 3
- 238000010586 diagram Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 1
Landscapes
- Power Sources (AREA)
Description
第１図はこの考案の機能ブロツク図、第２図な
いし第４図は実施例を示すもので、第２図はＥＣ
Ｒの基本的な回路構成を示す図、第３図は動作を
示すフローチヤート、第４図は電池の自己放電特
性と各モードの電力消費特性との関係を示す図で
ある。
１１……ＣＰＵ、１２……水晶発振器、１３…
…データＲＡＭ、１４……リセツトスイツチ、１
５……電源、１６……プラグ、１７……停電検出
回路、１８……コンパレータ、１９……バツクア
ツプ用電池。
Figure 1 is a functional block diagram of this invention, Figures 2 to 4 show examples, and Figure 2 is an EC
3 is a flowchart showing the operation, and FIG. 4 is a diagram showing the relationship between the self-discharge characteristics of the battery and the power consumption characteristics of each mode. 11...CPU, 12...Crystal oscillator, 13...
...Data RAM, 14...Reset switch, 1
5...Power supply, 16...Plug, 17...Power outage detection circuit, 18...Comparator, 19...Backup battery.
Claims (1)
置と、上記揮発性記憶装置の記憶内容をバツクア
ツプすると共に少なくとも上記計時装置を動作さ
せる電池と、この電池の電圧を検出する検出手段
とを備えたデータ処理装置において、 上記検出手段で検出された上記電池の電圧が所
定値以下になつたとき上記計時装置の動作を停止
させる停止手段を具備したことを特徴とするデー
タ処理装置。[Claims for Utility Model Registration] A volatile storage device, a clock device that measures the current time, a battery that backs up the memory contents of the volatile storage device and operates at least the clock device, and a voltage of the battery. A data processing device comprising a detection means for detecting the data, further comprising a stop means for stopping the operation of the timekeeping device when the voltage of the battery detected by the detection means falls below a predetermined value. Data processing equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11193688U JPH0235223U (en) | 1988-08-26 | 1988-08-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11193688U JPH0235223U (en) | 1988-08-26 | 1988-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0235223U true JPH0235223U (en) | 1990-03-07 |
Family
ID=31350425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11193688U Pending JPH0235223U (en) | 1988-08-26 | 1988-08-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0235223U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012048527A (en) * | 2010-08-27 | 2012-03-08 | Seiko Epson Corp | Real-time clock module, electronic device, and control method |
-
1988
- 1988-08-26 JP JP11193688U patent/JPH0235223U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012048527A (en) * | 2010-08-27 | 2012-03-08 | Seiko Epson Corp | Real-time clock module, electronic device, and control method |
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