CA1233909A - External interface control circuitry for microcomputer systems - Google Patents
External interface control circuitry for microcomputer systemsInfo
- Publication number
- CA1233909A CA1233909A CA000483276A CA483276A CA1233909A CA 1233909 A CA1233909 A CA 1233909A CA 000483276 A CA000483276 A CA 000483276A CA 483276 A CA483276 A CA 483276A CA 1233909 A CA1233909 A CA 1233909A
- Authority
- CA
- Canada
- Prior art keywords
- external device
- signal
- state
- interface
- producing
- 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
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/06—Addressing a physical block of locations, e.g. base addressing, module addressing, memory dedication
- G06F12/0646—Configuration or reconfiguration
- G06F12/0684—Configuration or reconfiguration with feedback, e.g. presence or absence of unit detected by addressing, overflow detection
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- Power Sources (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US61811584A | 1984-06-07 | 1984-06-07 | |
US618,115 | 1984-06-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1233909A true CA1233909A (en) | 1988-03-08 |
Family
ID=24476379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000483276A Expired CA1233909A (en) | 1984-06-07 | 1985-06-06 | External interface control circuitry for microcomputer systems |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0187159A4 (ja) |
JP (1) | JPS61502429A (ja) |
KR (1) | KR860700166A (ja) |
CA (1) | CA1233909A (ja) |
IL (1) | IL75374A (ja) |
WO (1) | WO1986000154A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4774422A (en) * | 1987-05-01 | 1988-09-27 | Digital Equipment Corporation | High speed low pin count bus interface |
FR2628863B1 (fr) * | 1988-03-21 | 1990-08-17 | Silicone Sa | Dispositif d'activation a distance d'un micro-ordinateur |
JPH03144716A (ja) * | 1989-10-31 | 1991-06-20 | Toshiba Corp | パーソナルコンピュータ |
EP0429780B1 (en) * | 1989-11-29 | 1997-11-12 | Kabushiki Kaisha Toshiba | Computer system capable of connecting an expansion unit |
US5241643A (en) * | 1990-06-19 | 1993-08-31 | Dell Usa, L.P. | Memory system and associated method for disabling address buffers connected to unused simm slots |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4218740A (en) * | 1974-10-30 | 1980-08-19 | Motorola, Inc. | Interface adaptor architecture |
JPS5335667A (en) * | 1976-09-16 | 1978-04-03 | Teijin Seiki Co Ltd | Method and device for controlling pressure applying machine |
US4213174A (en) * | 1977-05-31 | 1980-07-15 | Andover Controls Corporation | Programmable sequence controller with drum emulation and improved power-down power-up circuitry |
US4161787A (en) * | 1977-11-04 | 1979-07-17 | Motorola, Inc. | Programmable timer module coupled to microprocessor system |
US4266271A (en) * | 1978-10-10 | 1981-05-05 | Chamoff Martin E | Reconfigurable cluster of data-entry terminals |
JPS5731018A (en) * | 1980-07-31 | 1982-02-19 | Fujitsu Ltd | Power supply controlling system |
GB2130405B (en) * | 1980-08-30 | 1984-11-21 | British Aerospace | Electronic calculator |
JPS57106924A (en) * | 1980-12-24 | 1982-07-03 | Fujitsu Ltd | Power source controlling system for input and output equipment |
JPS58154026A (ja) * | 1982-03-08 | 1983-09-13 | Hitachi Ltd | 情報処理装置のエラ−処理方式 |
-
1985
- 1985-05-31 IL IL75374A patent/IL75374A/xx unknown
- 1985-06-05 EP EP19850903128 patent/EP0187159A4/en not_active Withdrawn
- 1985-06-05 JP JP60502710A patent/JPS61502429A/ja active Pending
- 1985-06-05 WO PCT/US1985/001061 patent/WO1986000154A1/en not_active Application Discontinuation
- 1985-06-05 KR KR1019860700075A patent/KR860700166A/ko not_active Application Discontinuation
- 1985-06-06 CA CA000483276A patent/CA1233909A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IL75374A (en) | 1989-02-28 |
JPS61502429A (ja) | 1986-10-23 |
WO1986000154A1 (en) | 1986-01-03 |
IL75374A0 (en) | 1985-09-29 |
EP0187159A1 (en) | 1986-07-16 |
KR860700166A (ko) | 1986-03-31 |
EP0187159A4 (en) | 1986-11-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |