JPH064410A - Electronic apparatus - Google Patents
Electronic apparatusInfo
- Publication number
- JPH064410A JPH064410A JP16490792A JP16490792A JPH064410A JP H064410 A JPH064410 A JP H064410A JP 16490792 A JP16490792 A JP 16490792A JP 16490792 A JP16490792 A JP 16490792A JP H064410 A JPH064410 A JP H064410A
- Authority
- JP
- Japan
- Prior art keywords
- data
- eeprom
- memory
- ram
- written
- 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
Landscapes
- Techniques For Improving Reliability Of Storages (AREA)
- Read Only Memory (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は動作モードデータ或いは
ダイヤル番号データ等の各種データを記憶可能な電子機
器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic device capable of storing various data such as operation mode data or dial number data.
【0002】[0002]
【従来の技術】最近のファクシミリ装置或いは電話機等
の電子機器に於いては、機器の動作モードを予め選択し
メモリに記憶しておき、機器の動作時メモリよりデータ
を読み出し、読み出したデータに基づき動作モードを設
定し動作するよう構成されている。又電話機能を備えた
電子機器に於いては、予め複数の宛先の電話番号データ
を短縮番号或いはワンタッチキーと共にメモリに記憶し
ておき、ダイヤル発信する際短縮番号の入力或いはワン
タッチキーの操作で、メモリより該当の電話番号データ
を読み出しダイヤル発信するよう構成されている。2. Description of the Related Art In recent electronic devices such as facsimile machines and telephones, the operation mode of the device is selected in advance and stored in a memory, data is read from the memory when the device is operating, and the data is read based on the read data. It is configured to set an operation mode and operate. Further, in an electronic device having a telephone function, telephone number data of a plurality of destinations are stored in advance in a memory together with an abbreviated number or a one-touch key, and when a dial call is made, the abbreviated number is input or the one-touch key is operated. The telephone number data is read from the memory and dialed.
【0003】そしてメモリのデータは電源が遮断された
際も保持しておく必要が有る為、従来はメモリを電池に
よりバックアップする方法或いはメモリを電池のバック
アップが不要のEEPROMで構成する方法が採用され
ている。Since it is necessary to retain the data in the memory even when the power is cut off, a method of backing up the memory with a battery or a method of configuring the memory with an EEPROM that does not require battery backup has been conventionally used. ing.
【0004】[0004]
【発明が解決しようとする課題】而して前述の電池によ
りバックアップする方法は、電池及びバックアップ回路
が必要となりコストアップになるという問題が有った。
一方EEPROMを使用する場合には、電池及びバック
アップ回路が不要である反面、EEPROMは書込みに
数msecの時間を要する為、書込みデータの入力に対
し応答が遅いという問題と、構成上書込み回数に一定の
寿命が有り、書込みデータの入力の際キー入力ミス等に
より無用の書込み動作が行なわれると、EEPROMの
寿命が短くなるという問題が有った。However, the above-mentioned battery backup method has a problem that a battery and a backup circuit are required, resulting in an increase in cost.
On the other hand, when the EEPROM is used, the battery and the backup circuit are unnecessary, but the EEPROM requires a time of several msec for writing, so that the response to the input of write data is slow and the number of times of writing is constant due to the configuration. However, there is a problem that the life of the EEPROM is shortened if a useless write operation is performed due to a key input error or the like when inputting write data.
【0005】[0005]
【課題を解決するための手段】本発明は上述の問題点を
解消すべくなされたもので、EEPROMとEEPRO
Mと同一容量を備えたRAMと、EEPROMとRAM
への読み書き制御を行なう制御装置よりなり、通常のデ
ータの読み書きはRAMに対して行ない、RAMのデー
タが変更された時のみEEPROMへデータを書込むよ
う構成したものである。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an EEPROM and an EEPROM are provided.
RAM with the same capacity as M, EEPROM and RAM
It comprises a control device for controlling reading and writing to and from the RAM, and is configured to normally read and write data to and from the RAM and write the data to the EEPROM only when the data in the RAM is changed.
【0006】[0006]
【作用】本発明は上述の如く構成したので、通常のデー
タの読み書きはアクセススピードの速いRAMに対して
行なわれるので、データの入力に対し操作者が遅れを気
にすることがないと共に、EEPROMへのデータの書
込みはデータの変更が有った時のみであり、無用な書込
み動作が行なわれない為、EEPROMの寿命低下を防
止することができる。Since the present invention is configured as described above, since normal data reading / writing is performed on the RAM having a high access speed, the operator does not have to worry about the delay in inputting the data, and the EEPROM is also provided. Data is written into the memory only when there is a change in the data, and since unnecessary writing operation is not performed, it is possible to prevent the life of the EEPROM from being shortened.
【0007】[0007]
【実施例】以下本発明の実施例をファクシミリ装置を例
に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below taking a facsimile machine as an example.
【0008】(1)はファクシミリ装置全体を制御する
制御装置で、マイクロプロセッサで構成されており、処
理プログラムが記憶されたプログラムメモリ(2)のプ
ログラムに従って各部を制御している。又制御装置
(1)では読み取った送信原稿データの信号処理及び受
信した信号の処理を行なうと共に、各種制御信号の発生
を行なっている。(3)は送信原稿を光学的に読み取
り、読み取った白黒データを電気信号に変換して制御装
置(1)に供給する読取部。(4)は受信信号に基づき
制御装置(1)の制御の下にサーマルヘッド等の記録ヘ
ッドを駆動し印字を行なう記録部。(5)は読取部
(3)で読み取った原稿データ或いは信号処理されたデ
ータ等が記憶されるデータメモリで、データの書込み及
び読み出しが制御装置(1)により制御されている。
(6)はファクシミリ装置の動作モードデータ及び通信
相手先の名前及び電話番号データが記憶される保存メモ
リで、EEPROMで構成され、データの書込み及び読
み出しが制御装置(1)により制御されている。(7)
は保存メモリ(6)の内容が転送される作業メモリで、
保存メモリ(6)の2倍の容量を有し、M1、M2領域
には保存メモリ(6)より同一データが転送される。尚
データメモリ(5)及び作業メモリ(7)は、ダイナミ
ックRAMで構成されており、電源が遮断されると記憶
内容が消失されるが、保存メモリ(6)はEEPROM
で構成されているので、電源が遮断されても記憶内容は
消失されない。(1) is a control device for controlling the entire facsimile apparatus, which is composed of a microprocessor and controls each section according to a program in a program memory (2) in which a processing program is stored. Further, the control device (1) performs signal processing of the read transmission original data and processing of the received signal, and also generates various control signals. A reading unit (3) optically reads a transmission original, converts the read black and white data into an electric signal, and supplies the electric signal to the control device (1). A recording unit (4) drives a recording head such as a thermal head to perform printing under the control of the control device (1) based on a received signal. Reference numeral (5) is a data memory for storing the original data read by the reading unit (3) or the signal-processed data, and the writing and reading of the data are controlled by the control device (1).
Reference numeral (6) is a storage memory for storing the operation mode data of the facsimile apparatus and the name and telephone number data of the communication partner, which is composed of an EEPROM, and the writing and reading of the data are controlled by the control unit (1). (7)
Is a working memory to which the contents of the storage memory (6) are transferred,
It has twice the capacity of the storage memory (6), and the same data is transferred from the storage memory (6) to the M1 and M2 areas. The data memory (5) and the working memory (7) are composed of dynamic RAM, and the stored contents are lost when the power is cut off, but the storage memory (6) is an EEPROM.
The memory contents are not lost even if the power is cut off.
【0009】(8)は通信キー、モードキー或いはテン
キー等で構成されるキーボードで、キー信号を取り込ん
だ制御装置(1)は、キー信号に応じてプログラムメモ
リ(2)のプログラムに従い制御する。(9)はキーボ
ード(8)より入力されたデータ或いは作業メモリ
(7)より読み出したデータ等を表示する表示器。(1
0)は電話回線(L)に送信する信号を変調し、又電話
回線(L)より受信した信号を復調するモデム回路。
(11)は電話回線(L)に電話機(12)とモデム回
路(10)を切換えて接続する回線切換回路で、リレー
回路で構成され、制御装置(1)により切換制御されて
いる。(13)は制御装置(1)より伝送されてきたダ
イヤル番号データに基づき自動的にダイヤル信号を発生
するダイヤル信号発生回路で、回線切換回路(11)を
介してダイヤル信号を電話回線(L)に送出する。Reference numeral (8) is a keyboard composed of a communication key, a mode key, a ten-key pad, etc. The control device (1) which receives the key signal controls according to the program of the program memory (2) according to the key signal. (9) is a display device for displaying data input from the keyboard (8) or data read from the working memory (7). (1
0) is a modem circuit that modulates a signal transmitted to the telephone line (L) and demodulates a signal received from the telephone line (L).
Reference numeral (11) is a line switching circuit for switching and connecting the telephone (12) and the modem circuit (10) to the telephone line (L), which is composed of a relay circuit and is switch-controlled by the control device (1). Reference numeral (13) is a dial signal generation circuit for automatically generating a dial signal based on the dial number data transmitted from the control device (1). The dial signal is sent through the line switching circuit (11) to the telephone line (L). Send to.
【0010】次に斯る構成よりなる本発明の動作につ
き、図2及び図3のフローチャートに基づき説明する。Next, the operation of the present invention having such a configuration will be described with reference to the flow charts of FIGS.
【0011】先ずファクシミリ装置に於いては、原稿濃
度、着信ベル回数或いは自動切り換えモード等の各種動
作モードを使用者が、使用状況に応じ選択可能に構成さ
れており、工場の製造工程では標準モードの設定が行な
われる。即ちキーボード(8)の所定のキー操作により
データ登録モードに設定すると、キー信号を検出した制
御装置(1)は、図2に示すデータ登録モードの処理を
開始する。そこでステップ(S1)で設定する動作モー
ドを指示するデータ入力を行なうと、ステップ(S2)
に進み作業メモリ(7)のM2領域に入力データを書込
む。データ入力が終了するまでステップ(S1)〜(S
3)の処理が繰り返され、データ入力が終了した事をス
テップ(S3)で検出した制御装置(1)は、ステップ
(S4)に進み作業メモリ(7)のM1、M2領域のデ
ータの比較を行ない、続いてステップ(S5)で比較の
結果M1、M2領域のデータが一致するか否かの判定を
行ない、一致していれば次の処理に進み、一致していな
い場合保存メモリ(6)のデータが変更されたと判断
し、ステップ(S6)に進み作業メモリ(7)のM2領
域のデータを保存メモリ(6)に書込んだ後次の処理に
進む。今の場合工場の製造工程での設定であり、作業メ
モリ(7)のM1領域にはデータの書込みは行なわれて
いない為、ステップ(S4)の比較に於いてM1、M2
領域のデータは異なるので、制御装置(1)はステップ
(S6)に進み作業メモリ(7)のM2領域のデータを
保存メモリ(6)に転送し書込む。そして製造工程を終
了し電源が遮断されると、作業メモリ(7)のデータは
消失されるが、保存メモリ(6)はEEPROMで構成
されており書込まれたデータは保存されているので、製
造工程で設定された標準モードの動作モードデータは保
存されている。First, in the facsimile apparatus, the user is allowed to select various operation modes such as the document density, the number of incoming bells, or the automatic switching mode according to the usage condition, and the standard mode is used in the manufacturing process of the factory. Is set. That is, when the data registration mode is set by a predetermined key operation of the keyboard (8), the control device (1) which has detected the key signal starts the processing of the data registration mode shown in FIG. Then, when data is input to instruct the operation mode set in step (S1), step (S2)
Proceed to and write the input data in the M2 area of the working memory (7). Steps (S1) to (S
When the control device (1) detects that the data input is completed in step (S3) by repeating the process of 3), the control device (1) proceeds to step (S4) and compares the data in the M1 and M2 areas of the working memory (7). Then, in step (S5), it is determined whether or not the data in the areas M1 and M2 match as a result of the comparison. If they match, the process proceeds to the next process. If they do not match, the storage memory (6) It is determined that the data has been changed, the process proceeds to step (S6), the data in the M2 area of the working memory (7) is written in the storage memory (6), and then the process proceeds to the next process. In this case, the setting is made in the manufacturing process of the factory, and the data is not written in the M1 area of the working memory (7). Therefore, in the comparison of step (S4), M1 and M2 are compared.
Since the data in the area is different, the control device (1) proceeds to step (S6) to transfer and write the data in the M2 area of the working memory (7) to the storage memory (6). When the manufacturing process is finished and the power is cut off, the data in the working memory (7) is lost, but the storage memory (6) is composed of the EEPROM and the written data is stored. The operation mode data of the standard mode set in the manufacturing process is stored.
【0012】次にファクシミリ装置がユーザーの所に設
置され電源がONされると、制御装置(1)は図3に示
す処理を開始する。先ず保存メモリ(6)のデータをス
テップ(S10)で読み出し、続いてステップ(S1
1)で読み出したデータを作業メモリ(7)のM1領域
とM2領域の両方に転送し書込む。この結果作業メモリ
(7)のM1、M2領域には同一のデータが書込まれ、
標準の動作モードデータの書込みが行なわれる。Next, when the facsimile device is installed at the user's place and the power is turned on, the control device (1) starts the processing shown in FIG. First, the data in the storage memory (6) is read in step (S10), and then in step (S1).
The data read in 1) is transferred and written in both the M1 area and the M2 area of the working memory (7). As a result, the same data is written in the M1 and M2 areas of the working memory (7),
The standard operation mode data is written.
【0013】この状態でファクシミリ装置は使用可能と
なり、送信及び受信に際し制御装置(1)は作業メモリ
(7)のM2領域をアクセスし、そこに設定されている
動作モードデータに基づき動作制御を行なう。この際制
御装置(1)が保存メモリ(6)をアクセスすることは
ない。In this state, the facsimile device becomes usable, and the control device (1) accesses the M2 area of the working memory (7) at the time of transmission and reception, and performs operation control based on the operation mode data set therein. . At this time, the control device (1) does not access the storage memory (6).
【0014】次にユーザーが使用頻度の高い電話番号デ
ータを予め登録する動作に付き説明する。Next, the operation in which the user registers in advance telephone number data that is frequently used will be described.
【0015】先ずキーボード(8)の所定のキー操作で
前述と同様にデータ登録モードに設定すると、制御装置
(1)は図2の処理を開始する。そこでステップ(S
1)で電話番号データを短縮番号と共に入力するか、入
力した電話番号データをワンタッチキーと共に入力する
と、制御装置(1)はステップ(S2)で作業メモリ
(7)のM2領域に入力された電話番号データの書込み
を行なう。作業メモリ(7)はダイナミックRAMで構
成されており、書込み時間は非常に短いので操作者がデ
ータを入力してから書込み終了までの応答が遅いと感じ
ることもない。同様にして所望の複数の電話番号の書込
みを終了すると、ステップ(S3)で終了を検出した制
御装置(1)は、ステップ(S4)で作業メモリ(7)
のM1、M2領域のデータの比較を行なうが、M2領域
には電話番号データが記憶されているが、M1領域には
電話番号データは書込まれておらずM1、M2領域のデ
ータは異なるので、制御装置(1)はステップ(S6)
に進みM2領域のデータを保存メモリ(6)に転送して
書込んだ後データ登録モードを終了し次の処理に進む。
この結果保存メモリ(6)に電話番号データが書込ま
れ、データの更新が行なわれる。First, when the data registration mode is set in the same manner as described above by operating a predetermined key on the keyboard (8), the control device (1) starts the processing of FIG. Then step (S
When the telephone number data is inputted together with the abbreviated number in 1) or the inputted telephone number data is inputted together with the one-touch key, the control unit (1) makes the telephone inputted in the M2 area of the working memory (7) in step (S2). Write the number data. Since the working memory (7) is composed of the dynamic RAM and the writing time is very short, the operator does not feel that the response from the input of data to the end of writing is slow. Similarly, when the writing of a plurality of desired telephone numbers is completed, the control device (1) which has detected the completion in step (S3), the working memory (7) in step (S4).
The data in the M1 and M2 areas are compared, but the telephone number data is stored in the M2 area. However, since the telephone number data is not written in the M1 area, the data in the M1 and M2 areas are different. , The control device (1) is step (S6)
After transferring the data in the M2 area to the storage memory (6) and writing the data, the data registration mode is terminated and the process proceeds to the next step.
As a result, the telephone number data is written in the storage memory (6) and the data is updated.
【0016】次に登録した電話番号データに基づきダイ
ヤル発信する動作につき説明する。Next, the operation of dialing based on the registered telephone number data will be described.
【0017】先ずキーボード(8)のオフフックキーを
操作し、回線切換回路(11)を制御し電話回線(L)
をモデム回路(10)側に接続して回線接続を行なった
後、キーボード(8)で短縮番号を入力するかワンタッ
チキーを操作すると、キー信号を検出した制御装置
(1)は、作業メモリ(7)のM2領域より該当の電話
番号データを読み出し、ダイヤル信号発生回路(13)
に供給することにより、回線切換回路(11)を介して
電話回線(L)にダイヤル発信する。ダイヤル発信に相
手が応答すれば送信或いは通話を行なうことができる。
この様にダイヤル発信する際もアクセスするのは作業メ
モリ(7)であり、保存メモリ(6)がアクセスされる
ことはない。First, the off-hook key of the keyboard (8) is operated to control the line switching circuit (11) to control the telephone line (L).
After connecting the line to the modem circuit (10) side to make a line connection, when the abbreviated number is input with the keyboard (8) or the one-touch key is operated, the control device (1) that detects the key signal causes the working memory ( The corresponding telephone number data is read from the M2 area of 7), and the dial signal generation circuit (13)
To the telephone line (L) via the line switching circuit (11). If the other party responds to the dial call, it is possible to send or call.
The work memory (7) is accessed during dialing as described above, and the storage memory (6) is not accessed.
【0018】尚この時作業メモリ(7)には、電話番号
データは書込まれていないが、何等かの都合で電源が一
旦遮断された後、再び電源が投入されると、前述と同様
にして図3の処理が行なわれ、保存メモリ(6)のデー
タが作業メモリ(7)のM1、M2領域の両方に同一デ
ータが書込まれるので、M1領域にも電話番号データが
書込まれる。At this time, the telephone number data is not written in the working memory (7), but if the power is once cut off for some reason and then turned on again, the same operation as described above is performed. 3 is performed, and the same data is written in the storage memory (6) in both the M1 and M2 areas of the working memory (7), so the telephone number data is also written in the M1 area.
【0019】[0019]
【発明の効果】上述の如く本発明の電子機器は、消失し
てはいけないデータは保存メモリのEEPROMに書込
み記憶させると共に、EEPROMの内容が転送される
作業用のRAMを設け、通常はRAMのアクセスでデー
タの読み書きを行ない、RAMのデータがEEPROM
の内容と異なる時のみEEPROMのデータを書き替え
るよう構成した事により、使用者がデータ入力をした際
の応答を速くすると共に、EEPROMへの書込み回数
を最小限に抑制しEEPROMの寿命低下を防止したも
のであり、極めて実用的効果大なるものである。As described above, in the electronic device of the present invention, data that should not be lost is written and stored in the EEPROM of the storage memory, and a work RAM for transferring the contents of the EEPROM is provided. Read and write data by access, RAM data is EEPROM
By rewriting the EEPROM data only when the contents are different from the above, the response when the user inputs data is quickened and the number of writing to the EEPROM is suppressed to the minimum to prevent the life of the EEPROM from being shortened. This is a very practical effect.
【図1】本発明の電子機器の構成を示すブロック図であ
る。FIG. 1 is a block diagram showing a configuration of an electronic device of the invention.
【図2】図1の動作状態を示すフローチャートである。FIG. 2 is a flowchart showing an operation state of FIG.
【図3】図1の動作状態を示すフローチャートである。FIG. 3 is a flowchart showing an operation state of FIG.
1 制御装置 3 読取部 4 記録部 5 データメモリ 6 保存メモリ 7 作業メモリ 1 Control Device 3 Reader 4 Recorder 5 Data Memory 6 Storage Memory 7 Working Memory
Claims (1)
該ROMと同一容量を備えたRAMと、EEPROMと
RAMへの読み書き制御を行なう制御装置よりなり、前
記制御装置が前記EEPROMのデータを前記RAMに
転送し、通常のデータの読み書きはRAMに対して行な
い、RAMのデータが変更された時のみ、RAMのデー
タをEEPROMに転送し書込むよう制御することを特
徴とする電子機器。1. An EEPROM for storing and holding data,
It comprises a RAM having the same capacity as the ROM, and an EEPROM and a control device for controlling reading and writing from and to the RAM. The control device transfers the data of the EEPROM to the RAM, and normal reading and writing of data is performed to and from the RAM. An electronic device characterized in that it is controlled so that the RAM data is transferred to the EEPROM and written only when the RAM data is changed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16490792A JP3172262B2 (en) | 1992-06-23 | 1992-06-23 | Electronics |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16490792A JP3172262B2 (en) | 1992-06-23 | 1992-06-23 | Electronics |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH064410A true JPH064410A (en) | 1994-01-14 |
JP3172262B2 JP3172262B2 (en) | 2001-06-04 |
Family
ID=15802135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16490792A Expired - Fee Related JP3172262B2 (en) | 1992-06-23 | 1992-06-23 | Electronics |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3172262B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006093201A1 (en) * | 2005-03-03 | 2006-09-08 | Matsushita Electric Industrial Co., Ltd. | Memory module, memory controller, nonvolatile storage, nonvolatile storage system, and memory read/write method |
US7287115B2 (en) | 2003-10-30 | 2007-10-23 | Kabushiki Kaisha Toshiba | Multi-chip package type memory system |
JP2009276820A (en) * | 2008-05-12 | 2009-11-26 | Denso Corp | Electronic apparatus and program |
-
1992
- 1992-06-23 JP JP16490792A patent/JP3172262B2/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7287115B2 (en) | 2003-10-30 | 2007-10-23 | Kabushiki Kaisha Toshiba | Multi-chip package type memory system |
WO2006093201A1 (en) * | 2005-03-03 | 2006-09-08 | Matsushita Electric Industrial Co., Ltd. | Memory module, memory controller, nonvolatile storage, nonvolatile storage system, and memory read/write method |
US8327068B2 (en) | 2005-03-03 | 2012-12-04 | Panasonic Corporation | Memory module, memory controller, nonvolatile storage, nonvolatile storage system, and memory read/write method |
JP2009276820A (en) * | 2008-05-12 | 2009-11-26 | Denso Corp | Electronic apparatus and program |
JP4636118B2 (en) * | 2008-05-12 | 2011-02-23 | 株式会社デンソー | Electronic device and program |
US8090494B2 (en) | 2008-05-12 | 2012-01-03 | Denso Corporation | Electronic apparatus and program storage medium |
Also Published As
Publication number | Publication date |
---|---|
JP3172262B2 (en) | 2001-06-04 |
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