FR2419544A1 - Microprocesseur relie a une ram sur un meme chip - Google Patents
Microprocesseur relie a une ram sur un meme chipInfo
- Publication number
- FR2419544A1 FR2419544A1 FR7902570A FR7902570A FR2419544A1 FR 2419544 A1 FR2419544 A1 FR 2419544A1 FR 7902570 A FR7902570 A FR 7902570A FR 7902570 A FR7902570 A FR 7902570A FR 2419544 A1 FR2419544 A1 FR 2419544A1
- Authority
- FR
- France
- Prior art keywords
- ram
- microprocessor
- data bus
- same chip
- well
- 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
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/76—Architectures of general purpose stored program computers
- G06F15/78—Architectures of general purpose stored program computers comprising a single central processing unit
- G06F15/7839—Architectures of general purpose stored program computers comprising a single central processing unit with memory
- G06F15/7842—Architectures of general purpose stored program computers comprising a single central processing unit with memory on one IC chip (single chip microcontrollers)
- G06F15/786—Architectures of general purpose stored program computers comprising a single central processing unit with memory on one IC chip (single chip microcontrollers) using a single memory module
-
- 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
- G06F13/4004—Coupling between buses
- G06F13/4022—Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Microcomputers (AREA)
- Dram (AREA)
- Static Random-Access Memory (AREA)
Abstract
a. Microprocesseur comportant une RAM sur le même chip ainsi qu'un circuit pour relier la RAM au bus de données interne du microprocesseur ainsi qu'au bus externe de données. b. Microprocesseur caractérisé en ce qu'il comporte un amplificateur de détection ayant une sortie reliée à au moins un inverseur ainsi qu'un commutateur bilatéral branché entre l'inverseur et le bus de données de microprocesseur, ce commutateur assurant l'interconnexion entre la RAM et le bus de données du microprocesseur et le bus externe de données.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/884,947 US4314353A (en) | 1978-03-09 | 1978-03-09 | On chip ram interconnect to MPU bus |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2419544A1 true FR2419544A1 (fr) | 1979-10-05 |
FR2419544B1 FR2419544B1 (fr) | 1984-02-24 |
Family
ID=25385790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7902570A Granted FR2419544A1 (fr) | 1978-03-09 | 1979-01-31 | Microprocesseur relie a une ram sur un meme chip |
Country Status (5)
Country | Link |
---|---|
US (1) | US4314353A (fr) |
JP (1) | JPS54122058A (fr) |
DE (1) | DE2905676A1 (fr) |
FR (1) | FR2419544A1 (fr) |
GB (1) | GB2016754B (fr) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4300195A (en) * | 1979-08-09 | 1981-11-10 | Motorola, Inc. | CMOS Microprocessor architecture |
EP0043222B1 (fr) * | 1980-06-26 | 1990-01-10 | Texas Instruments Incorporated | Système de mémoire pour dispositif de traitement de données |
US4580216A (en) * | 1981-06-22 | 1986-04-01 | Texas Instruments Incorporated | Microcomputer with internal selection of on-chip or off-chip access |
DE3138972A1 (de) * | 1981-09-30 | 1983-04-14 | Siemens AG, 1000 Berlin und 8000 München | Onchip mikroprozessorchachespeichersystem und verfahren zu seinem betrieb |
DE3242952A1 (de) * | 1982-11-20 | 1984-05-24 | SWF-Spezialfabrik für Autozubehör Gustav Rau GmbH, 7120 Bietigheim-Bissingen | Rechner, insbesondere bordrechner fuer kraftfahrzeuge |
US5097413A (en) * | 1983-09-20 | 1992-03-17 | Mensch Jr William D | Abort circuitry for microprocessor |
US4587629A (en) * | 1983-12-30 | 1986-05-06 | International Business Machines Corporation | Random address memory with fast clear |
JPH0738187B2 (ja) * | 1984-03-23 | 1995-04-26 | 株式会社日立製作所 | Lsiに構成されたマイクロコンピュータ |
JP2621176B2 (ja) * | 1987-05-14 | 1997-06-18 | ソニー株式会社 | ワンチツプマイクロコンピユータ |
US4959768A (en) * | 1989-01-23 | 1990-09-25 | Honeywell Inc. | Apparatus for tracking predetermined data for updating a secondary data base |
JPH02245811A (ja) * | 1989-03-18 | 1990-10-01 | Seiko Epson Corp | 情報処理装置 |
EP0584783A3 (en) * | 1992-08-25 | 1994-06-22 | Texas Instruments Inc | Method and apparatus for improved processing |
US5915084A (en) * | 1996-09-30 | 1999-06-22 | Advanced Micro Devices, Inc. | Scannable sense amplifier circuit |
US5958075A (en) * | 1997-09-26 | 1999-09-28 | Advanced Micro Devices, Inc. | Efficient on-pitch scannable sense amplifier |
US6467009B1 (en) * | 1998-10-14 | 2002-10-15 | Triscend Corporation | Configurable processor system unit |
US6721840B1 (en) | 2000-08-18 | 2004-04-13 | Triscend Corporation | Method and system for interfacing an integrated circuit to synchronous dynamic memory and static memory |
US6725364B1 (en) | 2001-03-08 | 2004-04-20 | Xilinx, Inc. | Configurable processor system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3757306A (en) * | 1971-08-31 | 1973-09-04 | Texas Instruments Inc | Computing systems cpu |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3411139A (en) * | 1965-11-26 | 1968-11-12 | Burroughs Corp | Modular multi-computing data processing system |
US3757308A (en) * | 1971-09-03 | 1973-09-04 | Texas Instruments Inc | Data processor |
US3939455A (en) * | 1971-10-01 | 1976-02-17 | Hitachi, Ltd. | Microprocessor having an interface for connection of external devices |
FR2212963A5 (fr) * | 1972-12-28 | 1974-07-26 | Cit Alcatel | |
US3821715A (en) * | 1973-01-22 | 1974-06-28 | Intel Corp | Memory system for a multi chip digital computer |
US3892957A (en) * | 1973-09-24 | 1975-07-01 | Texas Instruments Inc | Digit mask logic combined with sequentially addressed memory in electronic calculator chip |
US3950736A (en) * | 1973-10-01 | 1976-04-13 | Square D Company | Programmable solid state control for machine tool or process control systems |
US3938098A (en) * | 1973-12-26 | 1976-02-10 | Xerox Corporation | Input/output connection arrangement for microprogrammable computer |
US3896419A (en) * | 1974-01-17 | 1975-07-22 | Honeywell Inf Systems | Cache memory store in a processor of a data processing system |
US3882470A (en) * | 1974-02-04 | 1975-05-06 | Honeywell Inf Systems | Multiple register variably addressable semiconductor mass memory |
US3959774A (en) * | 1974-07-25 | 1976-05-25 | California Institute Of Technology | Processor which sequences externally of a central processor |
US4016546A (en) * | 1974-10-30 | 1977-04-05 | Motorola, Inc. | Bus switch coupling for series-coupled address bus sections in a microprocessor |
US4021781A (en) * | 1974-11-19 | 1977-05-03 | Texas Instruments Incorporated | Virtual ground read-only-memory for electronic calculator or digital processor |
US4024509A (en) * | 1975-06-30 | 1977-05-17 | Honeywell Information Systems, Inc. | CCD register array addressing system including apparatus for by-passing selected arrays |
DE2638125A1 (de) * | 1975-09-04 | 1977-03-17 | Tokyo Shibaura Electric Co | Datenverarbeitungssystem |
US4181938A (en) * | 1975-10-15 | 1980-01-01 | Tokyo Shibaura Electric Co., Ltd. | Processor device |
GB1540923A (en) * | 1975-12-01 | 1979-02-21 | Intel Corp | Programmable single chip mos computer |
JPS5283082A (en) * | 1975-12-30 | 1977-07-11 | Fujitsu Ltd | Large scale integrated circuit chip |
US4093982A (en) * | 1976-05-03 | 1978-06-06 | International Business Machines Corporation | Microprocessor system |
US4106090A (en) * | 1977-01-17 | 1978-08-08 | Fairchild Camera And Instrument Corporation | Monolithic microcomputer central processor |
US4194241A (en) * | 1977-07-08 | 1980-03-18 | Xerox Corporation | Bit manipulation circuitry in a microprocessor |
US4144561A (en) * | 1977-07-08 | 1979-03-13 | Xerox Corporation | Chip topography for MOS integrated circuitry microprocessor chip |
US4155118A (en) * | 1977-09-20 | 1979-05-15 | Burroughs Corporation | Organization for an integrated circuit calculator/controller |
-
1978
- 1978-03-09 US US05/884,947 patent/US4314353A/en not_active Expired - Lifetime
- 1978-12-19 GB GB7849006A patent/GB2016754B/en not_active Expired
-
1979
- 1979-01-31 JP JP1027279A patent/JPS54122058A/ja active Granted
- 1979-01-31 FR FR7902570A patent/FR2419544A1/fr active Granted
- 1979-02-14 DE DE19792905676 patent/DE2905676A1/de not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3757306A (en) * | 1971-08-31 | 1973-09-04 | Texas Instruments Inc | Computing systems cpu |
Non-Patent Citations (3)
Title |
---|
EXBK/76 * |
EXBK/77 * |
EXBK/78 * |
Also Published As
Publication number | Publication date |
---|---|
GB2016754B (en) | 1982-08-18 |
DE2905676A1 (de) | 1979-09-20 |
FR2419544B1 (fr) | 1984-02-24 |
JPS6217783B2 (fr) | 1987-04-20 |
US4314353A (en) | 1982-02-02 |
JPS54122058A (en) | 1979-09-21 |
GB2016754A (en) | 1979-09-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |