JPS6368200U - - Google Patents
Info
- Publication number
- JPS6368200U JPS6368200U JP16262486U JP16262486U JPS6368200U JP S6368200 U JPS6368200 U JP S6368200U JP 16262486 U JP16262486 U JP 16262486U JP 16262486 U JP16262486 U JP 16262486U JP S6368200 U JPS6368200 U JP S6368200U
- Authority
- JP
- Japan
- Prior art keywords
- data
- reading
- storage area
- subdata
- outputting
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000013500 data storage Methods 0.000 description 1
Landscapes
- Techniques For Improving Reliability Of Storages (AREA)
- Hardware Redundancy (AREA)
Description
第１図は本考案の構成図、第２図は本考案の一
実施例を示す構成図、第３図は第２図のＥＰＲＯ
Ｍのデータ記憶の説明図、第４図は第２図の構成
の制御フローチヤートである。
１……ＣＰＵ、２……メモリ、３……ＥＰＲＯ
Ｍ、４……入出力回路、Ａ，Ｂ……記憶域、ＤＡ
１〜ＤＡｎ……メインマツプデータ、ＤＢ１〜Ｄ
Ｂｎ……サブマツプデータ。
Fig. 1 is a block diagram of the present invention, Fig. 2 is a block diagram showing an embodiment of the present invention, and Fig. 3 is the EPRO shown in Fig. 2.
FIG. 4 is an explanatory diagram of data storage of M, and is a control flowchart of the configuration of FIG. 2. 1...CPU, 2...Memory, 3...EPRO
M, 4...Input/output circuit, A, B...Storage area, DA
1 ~DA n ...Main map data, DB 1 ~D
Bn ...Sub map data.
Claims (1)
容が同一のサブデータを記憶する少なくともひと
つの記憶域とをもうけたＥＰＲＯＭと、データ読
出し時にメインデータと共にサブデータを読出す
読出手段と、読出されたメインデータとサブデー
タとの間の一致／不一致を判別する判別手段と、
両データが一致している場合にいずれか一方のデ
ータを選択して出力し、両データが不一致の場合
に大小比較を通して小さい方のデータを選択して
出力する選択手段とを有することを特徴とするデ
ータ読出装置。 an EPROM having a storage area for main data and at least one storage area for storing subdata having the same contents as the main data; a reading means for reading out the subdata together with the main data when reading data; Discrimination means for determining coincidence/mismatch between the data and the sub-data;
It is characterized by having a selection means for selecting and outputting one of the data when both data match, and selecting and outputting the smaller data through magnitude comparison when both data do not match. data reading device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16262486U JPH0313797Y2 (en) | 1986-10-23 | 1986-10-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16262486U JPH0313797Y2 (en) | 1986-10-23 | 1986-10-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6368200U true JPS6368200U (en) | 1988-05-09 |
| JPH0313797Y2 JPH0313797Y2 (en) | 1991-03-28 |
Family
ID=31090064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16262486U Expired JPH0313797Y2 (en) | 1986-10-23 | 1986-10-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0313797Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008133084A1 (en) * | 2007-04-17 | 2008-11-06 | Toyota Jidosha Kabushiki Kaisha | Internal combustion engine control system |
| JP2013133768A (en) * | 2011-12-27 | 2013-07-08 | Bosch Corp | Engine control device for vehicle |
-
1986
- 1986-10-23 JP JP16262486U patent/JPH0313797Y2/ja not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008133084A1 (en) * | 2007-04-17 | 2008-11-06 | Toyota Jidosha Kabushiki Kaisha | Internal combustion engine control system |
| JP2008267187A (en) * | 2007-04-17 | 2008-11-06 | Toyota Motor Corp | Control system of internal combustion engine |
| JP4636049B2 (en) * | 2007-04-17 | 2011-02-23 | トヨタ自動車株式会社 | Internal combustion engine control system |
| JP2013133768A (en) * | 2011-12-27 | 2013-07-08 | Bosch Corp | Engine control device for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0313797Y2 (en) | 1991-03-28 |
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