JPH036738U - - Google Patents
Info
- Publication number
- JPH036738U JPH036738U JP6748489U JP6748489U JPH036738U JP H036738 U JPH036738 U JP H036738U JP 6748489 U JP6748489 U JP 6748489U JP 6748489 U JP6748489 U JP 6748489U JP H036738 U JPH036738 U JP H036738U
- Authority
- JP
- Japan
- Prior art keywords
- ram
- address
- internal
- external
- accessing
- 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
- Microcomputers (AREA)
Description
図面は本考案のマイクロコンピユータを示す回
路図である。
１……マイクロコンピユータ、２……外部ＲＯ
Ｍ、３……外部ＲＡＭ、４……内部ＲＯＭ、８…
…内部ＲＡＭ、８−１，８−２，８−３，８−４
……特定アドレス。
The drawing is a circuit diagram showing a microcomputer according to the present invention. 1...Microcomputer, 2...External RO
M, 3...External RAM, 4...Internal ROM, 8...
...Internal RAM, 8-1, 8-2, 8-3, 8-4
...Specific address.
Claims (1)
又は外部ＲＯＭと外部ＲＡＭを選択して動作する
マイクロコンピユータにおいて、 前記内部ＲＡＭのアドレスをアクセスする第１
のアドレスレジスタと、前記外部ＲＡＭのアドレ
スをアクセスする第２のアドレスレジスタとを、
前記内部ＲＡＭの所定アドレスに設けたことを特
徴とするマイクロコンピユータ。[Scope of claim for utility model registration] Internal ROM and internal RAM,
Alternatively, in a microcomputer that operates by selecting an external ROM or an external RAM, a first accessing address of the internal RAM is provided.
and a second address register for accessing the address of the external RAM,
A microcomputer characterized in that the internal RAM is provided at a predetermined address.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989067484U JP2604319Y2 (en) | 1989-06-09 | 1989-06-09 | Microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989067484U JP2604319Y2 (en) | 1989-06-09 | 1989-06-09 | Microcomputer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH036738U true JPH036738U (en) | 1991-01-23 |
| JP2604319Y2 JP2604319Y2 (en) | 2000-05-08 |
Family
ID=31601098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989067484U Expired - Lifetime JP2604319Y2 (en) | 1989-06-09 | 1989-06-09 | Microcomputer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2604319Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016218976A (en) * | 2015-05-26 | 2016-12-22 | キヤノン株式会社 | Integrated circuit chip and information processing apparatus having a plurality of integrated circuit chips |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56152061A (en) * | 1980-04-25 | 1981-11-25 | Mitsubishi Electric Corp | Data storage device of electronic controller |
| JPS63178349A (en) * | 1987-01-20 | 1988-07-22 | Fujitsu Ltd | Microprocessor |
-
1989
- 1989-06-09 JP JP1989067484U patent/JP2604319Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56152061A (en) * | 1980-04-25 | 1981-11-25 | Mitsubishi Electric Corp | Data storage device of electronic controller |
| JPS63178349A (en) * | 1987-01-20 | 1988-07-22 | Fujitsu Ltd | Microprocessor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016218976A (en) * | 2015-05-26 | 2016-12-22 | キヤノン株式会社 | Integrated circuit chip and information processing apparatus having a plurality of integrated circuit chips |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2604319Y2 (en) | 2000-05-08 |