JPS59189800U - microcomputer - Google Patents
microcomputerInfo
- Publication number
- JPS59189800U JPS59189800U JP1983084781U JP8478183U JPS59189800U JP S59189800 U JPS59189800 U JP S59189800U JP 1983084781 U JP1983084781 U JP 1983084781U JP 8478183 U JP8478183 U JP 8478183U JP S59189800 U JPS59189800 U JP S59189800U
- Authority
- JP
- Japan
- Prior art keywords
- microcomputer
- reading
- recorded
- disabling
- built
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Storage Device Security (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例のシステムブロック図である
。
１・・・・・・１チツプ・マイクロコンピュータ、２・
・・・・・内部ＲＯＭ、３・・・・・・ユーザ・システ
ム、４・・・・・・読出し制御信号、５・・・・・・第
三者のシステム、６・・・・・・読出し禁止信号、７・
・・・・・読出し禁止回路。FIG. 1 is a system block diagram of an embodiment of the present invention. 1...1 chip microcomputer, 2...
...Internal ROM, 3 ... User system, 4 ... Read control signal, 5 ... Third party system, 6 ... Read inhibit signal, 7.
...read-prohibited circuit.
Claims (1)
み出しを無効にする手段とを有することを特徴とするマ
イクロコンピュータ。A microcomputer characterized by having means for reading out contents stored in a built-in memory and means for disabling the reading.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983084781U JPS59189800U (en) | 1983-06-03 | 1983-06-03 | microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983084781U JPS59189800U (en) | 1983-06-03 | 1983-06-03 | microcomputer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59189800U true JPS59189800U (en) | 1984-12-15 |
Family
ID=30214748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983084781U Pending JPS59189800U (en) | 1983-06-03 | 1983-06-03 | microcomputer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59189800U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5614354A (en) * | 1979-07-13 | 1981-02-12 | Sanyo Electric Co Ltd | Mlcrocomputer |
-
1983
- 1983-06-03 JP JP1983084781U patent/JPS59189800U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5614354A (en) * | 1979-07-13 | 1981-02-12 | Sanyo Electric Co Ltd | Mlcrocomputer |
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