JPH0430052B2 - - Google Patents
Info
- Publication number
- JPH0430052B2 JPH0430052B2 JP57201661A JP20166182A JPH0430052B2 JP H0430052 B2 JPH0430052 B2 JP H0430052B2 JP 57201661 A JP57201661 A JP 57201661A JP 20166182 A JP20166182 A JP 20166182A JP H0430052 B2 JPH0430052 B2 JP H0430052B2
- Authority
- JP
- Japan
- Prior art keywords
- cpu
- signal
- period
- video
- video ram
- 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.)
- Expired - Lifetime
Links
Landscapes
- Digital Computer Display Output (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20166182A JPS5991559A (ja) | 1982-11-17 | 1982-11-17 | メモリの書き込み回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20166182A JPS5991559A (ja) | 1982-11-17 | 1982-11-17 | メモリの書き込み回路 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3309059A Division JP2698497B2 (ja) | 1991-11-25 | 1991-11-25 | メモリ制御回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5991559A JPS5991559A (ja) | 1984-05-26 |
JPH0430052B2 true JPH0430052B2 (en, 2012) | 1992-05-20 |
Family
ID=16444796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20166182A Granted JPS5991559A (ja) | 1982-11-17 | 1982-11-17 | メモリの書き込み回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5991559A (en, 2012) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60254225A (ja) * | 1984-05-31 | 1985-12-14 | Fujitsu Ltd | ビデオramのアクセス方法 |
JPS63133227A (ja) * | 1986-11-26 | 1988-06-06 | Matsushita Electric Ind Co Ltd | 表示装置 |
JP2546376Y2 (ja) * | 1991-02-22 | 1997-08-27 | 株式会社カンセイ | スイッチ構造 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54139432A (en) * | 1978-04-21 | 1979-10-29 | Hitachi Ltd | Crt display unit |
JPS57111585A (en) * | 1980-12-27 | 1982-07-12 | Fujitsu Ltd | Memory access system |
JPS57155584A (en) * | 1981-03-20 | 1982-09-25 | Hitachi Ltd | Control system for refresh memory |
-
1982
- 1982-11-17 JP JP20166182A patent/JPS5991559A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5991559A (ja) | 1984-05-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4644502A (en) | Semiconductor memory device typically used as a video ram | |
JP3579461B2 (ja) | データ処理システム及びデータ処理装置 | |
JPH08328941A (ja) | メモリアクセス制御回路 | |
US6754786B2 (en) | Memory control circuit and method for arbitrating memory bus | |
JPS5987569A (ja) | デ−タ自動連続処理回路 | |
KR100288177B1 (ko) | 메모리 액세스 제어 회로 | |
JPH0430052B2 (en, 2012) | ||
JPS62135881A (ja) | 画像表示装置 | |
JPH0535232A (ja) | メモリ制御回路 | |
US5542063A (en) | Digital data processing system with facility for changing individual bits | |
JP4553998B2 (ja) | バス制御装置 | |
JPH0474745B2 (en, 2012) | ||
SU1698890A1 (ru) | Устройство дл ввода информации | |
JPH03122893A (ja) | Dramリフレッシュ装置 | |
JPS635758B2 (en, 2012) | ||
JP3160895B2 (ja) | 表示メモリ制御装置 | |
JP3754765B2 (ja) | データ処理装置 | |
JPS6252591A (ja) | 画面メモリのアクセス制御方式 | |
JPH02188856A (ja) | メモリアクセス回路 | |
JPH0568795B2 (en, 2012) | ||
JPS6021086A (ja) | キヤラクタ発生装置 | |
JPH04163783A (ja) | 半導体記憶装置 | |
JPS62243043A (ja) | メモリ駆動回路 | |
JPS60140384A (ja) | キヤラクタジエネレ−タ・アクセス制御方式 | |
JPS59219780A (ja) | グラフイツクメモリ・アクセス回路 |