JPH0474337U - - Google Patents
Info
- Publication number
- JPH0474337U JPH0474337U JP1990117335U JP11733590U JPH0474337U JP H0474337 U JPH0474337 U JP H0474337U JP 1990117335 U JP1990117335 U JP 1990117335U JP 11733590 U JP11733590 U JP 11733590U JP H0474337 U JPH0474337 U JP H0474337U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- romic
- program
- cpu
- keyword
- 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
- 230000010365 information processing Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
Description
第１図は本考案の一実施例のブロツク図である
。
１……ＣＰＵ、２……ＲＯＭ、３……ＣＰＵ主
機能回路、４……ヒユーズ型キーワードメモリ、
５……一時記憶キーワードメモリ、６……メモリ
アドレスシヤツフル回路、７……メモリセル、８
……バスライン。
FIG. 1 is a block diagram of one embodiment of the present invention. 1... CPU, 2... ROM, 3... CPU main function circuit, 4... fuse type keyword memory,
5...Temporary storage keyword memory, 6...Memory address shuffle circuit, 7...Memory cell, 8
...Bus line.
Claims (1)
おいて、ＣＰＵ側に予めキーワード登録できる回
路と書き込みＲＯＭＩＣ回路にメモリアドレスシ
ヤツフル回路を有し、ＲＯＭＩＣ上のプログラム
コピーを防止することを特徴とする情報処理装置
。 An information processing device comprising a circuit for pre-registering a keyword on the CPU side and a memory address shuffle circuit in a write ROMIC circuit in ROM storage of a program for operating a CPU, thereby preventing copying of the program on the ROMIC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990117335U JPH0474337U (en) | 1990-11-08 | 1990-11-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990117335U JPH0474337U (en) | 1990-11-08 | 1990-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0474337U true JPH0474337U (en) | 1992-06-29 |
Family
ID=31865226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990117335U Pending JPH0474337U (en) | 1990-11-08 | 1990-11-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0474337U (en) |
-
1990
- 1990-11-08 JP JP1990117335U patent/JPH0474337U/ja active Pending
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