DE69023679T2 - Gerät, das fähig ist, die Anzahl von Wartezuständen für den Zugriff zu variieren. - Google Patents
Gerät, das fähig ist, die Anzahl von Wartezuständen für den Zugriff zu variieren.Info
- Publication number
- DE69023679T2 DE69023679T2 DE69023679T DE69023679T DE69023679T2 DE 69023679 T2 DE69023679 T2 DE 69023679T2 DE 69023679 T DE69023679 T DE 69023679T DE 69023679 T DE69023679 T DE 69023679T DE 69023679 T2 DE69023679 T2 DE 69023679T2
- Authority
- DE
- Germany
- Prior art keywords
- vary
- access
- waiting states
- waiting
- states
- 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 - Fee Related
Links
Classifications
-
- 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
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
- G06F13/4234—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a memory bus
- G06F13/4243—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a memory bus with synchronous protocol
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1057303A JPH02235156A (ja) | 1989-03-08 | 1989-03-08 | 情報処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69023679D1 DE69023679D1 (de) | 1996-01-04 |
DE69023679T2 true DE69023679T2 (de) | 1996-05-02 |
Family
ID=13051791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69023679T Expired - Fee Related DE69023679T2 (de) | 1989-03-08 | 1990-02-28 | Gerät, das fähig ist, die Anzahl von Wartezuständen für den Zugriff zu variieren. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5809517A (de) |
EP (1) | EP0386935B1 (de) |
JP (1) | JPH02235156A (de) |
DE (1) | DE69023679T2 (de) |
SG (1) | SG43275A1 (de) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03210649A (ja) * | 1990-01-12 | 1991-09-13 | Fujitsu Ltd | マイクロコンピュータおよびそのバスサイクル制御方法 |
GB2244174B (en) * | 1990-05-15 | 1994-10-05 | Intel Corp | Apparatus for selecting number of wait states in burst eprom architecture |
US5522064A (en) * | 1990-10-01 | 1996-05-28 | International Business Machines Corporation | Data processing apparatus for dynamically setting timings in a dynamic memory system |
JPH04192047A (ja) * | 1990-11-27 | 1992-07-10 | Toshiba Corp | パーソナルコンピュータ |
JPH0715665B2 (ja) * | 1991-06-10 | 1995-02-22 | インターナショナル・ビジネス・マシーンズ・コーポレイション | パーソナルコンピユータ |
US5481675A (en) * | 1992-05-12 | 1996-01-02 | International Business Machines Corporation | Asynchronous serial communication system for delaying with software dwell time a receiving computer's acknowledgement in order for the transmitting computer to see the acknowledgement |
US6067606A (en) * | 1997-12-15 | 2000-05-23 | Intel Corporation | Computer processor with dynamic setting of latency values for memory access |
US6356987B1 (en) | 1999-03-10 | 2002-03-12 | Atmel Corporation | Microprocessing device having programmable wait states |
US6407949B1 (en) | 1999-12-17 | 2002-06-18 | Qualcomm, Incorporated | Mobile communication device having integrated embedded flash and SRAM memory |
US6714993B1 (en) | 2000-05-22 | 2004-03-30 | Legerity, Inc. | Programmable memory based control for generating optimal timing to access serial flash devices |
JP2002091905A (ja) * | 2000-09-20 | 2002-03-29 | Mitsubishi Electric Corp | 半導体装置およびアクセスウェイト数変更プログラムを記録したコンピュータ読み取り可能な記録媒体 |
US6662285B1 (en) * | 2001-01-09 | 2003-12-09 | Xilinx, Inc. | User configurable memory system having local and global memory blocks |
ITTO20010333A1 (it) * | 2001-04-06 | 2002-10-06 | St Microelectronics Srl | Dispositivo e metodo di gestione dei cicli di attesa durante la lettura di una memoria non volatile. |
US6605962B2 (en) | 2001-05-06 | 2003-08-12 | Altera Corporation | PLD architecture for flexible placement of IP function blocks |
US7076595B1 (en) | 2001-05-18 | 2006-07-11 | Xilinx, Inc. | Programmable logic device including programmable interface core and central processing unit |
US7420392B2 (en) * | 2001-09-28 | 2008-09-02 | Xilinx, Inc. | Programmable gate array and embedded circuitry initialization and processing |
US6798239B2 (en) * | 2001-09-28 | 2004-09-28 | Xilinx, Inc. | Programmable gate array having interconnecting logic to support embedded fixed logic circuitry |
US6996758B1 (en) | 2001-11-16 | 2006-02-07 | Xilinx, Inc. | Apparatus for testing an interconnecting logic fabric |
US6983405B1 (en) | 2001-11-16 | 2006-01-03 | Xilinx, Inc., | Method and apparatus for testing circuitry embedded within a field programmable gate array |
US6886092B1 (en) | 2001-11-19 | 2005-04-26 | Xilinx, Inc. | Custom code processing in PGA by providing instructions from fixed logic processor portion to programmable dedicated processor portion |
US6820248B1 (en) | 2002-02-14 | 2004-11-16 | Xilinx, Inc. | Method and apparatus for routing interconnects to devices with dissimilar pitches |
US6976160B1 (en) | 2002-02-22 | 2005-12-13 | Xilinx, Inc. | Method and system for controlling default values of flip-flops in PGA/ASIC-based designs |
US6754882B1 (en) | 2002-02-22 | 2004-06-22 | Xilinx, Inc. | Method and system for creating a customized support package for an FPGA-based system-on-chip (SoC) |
US6934922B1 (en) | 2002-02-27 | 2005-08-23 | Xilinx, Inc. | Timing performance analysis |
US7007121B1 (en) | 2002-02-27 | 2006-02-28 | Xilinx, Inc. | Method and apparatus for synchronized buses |
US6839874B1 (en) | 2002-02-28 | 2005-01-04 | Xilinx, Inc. | Method and apparatus for testing an embedded device |
US7111217B1 (en) | 2002-02-28 | 2006-09-19 | Xilinx, Inc. | Method and system for flexibly nesting JTAG TAP controllers for FPGA-based system-on-chip (SoC) |
US7111220B1 (en) | 2002-03-01 | 2006-09-19 | Xilinx, Inc. | Network physical layer with embedded multi-standard CRC generator |
US7088767B1 (en) | 2002-03-01 | 2006-08-08 | Xilinx, Inc. | Method and apparatus for operating a transceiver in different data rates |
US7187709B1 (en) | 2002-03-01 | 2007-03-06 | Xilinx, Inc. | High speed configurable transceiver architecture |
US6961919B1 (en) | 2002-03-04 | 2005-11-01 | Xilinx, Inc. | Method of designing integrated circuit having both configurable and fixed logic circuitry |
US6941433B1 (en) * | 2002-05-22 | 2005-09-06 | Juniper Networks, Inc. | Systems and methods for memory read response latency detection |
US6973405B1 (en) | 2002-05-22 | 2005-12-06 | Xilinx, Inc. | Programmable interactive verification agent |
US6772405B1 (en) | 2002-06-13 | 2004-08-03 | Xilinx, Inc. | Insertable block tile for interconnecting to a device embedded in an integrated circuit |
US7085973B1 (en) | 2002-07-09 | 2006-08-01 | Xilinx, Inc. | Testing address lines of a memory controller |
US7099426B1 (en) | 2002-09-03 | 2006-08-29 | Xilinx, Inc. | Flexible channel bonding and clock correction operations on a multi-block data path |
US7092865B1 (en) | 2002-09-10 | 2006-08-15 | Xilinx, Inc. | Method and apparatus for timing modeling |
US7278057B2 (en) * | 2003-07-31 | 2007-10-02 | International Business Machines Corporation | Automated hang detection in Java thread dumps |
US7421014B2 (en) * | 2003-09-11 | 2008-09-02 | Xilinx, Inc. | Channel bonding of a plurality of multi-gigabit transceivers |
US7846008B2 (en) * | 2004-11-29 | 2010-12-07 | Semiquest Inc. | Method and apparatus for improved chemical mechanical planarization and CMP pad |
US8156297B2 (en) * | 2008-04-15 | 2012-04-10 | Microsoft Corporation | Smart device recordation |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4954951A (en) * | 1970-12-28 | 1990-09-04 | Hyatt Gilbert P | System and method for increasing memory performance |
GB1561961A (en) * | 1977-04-20 | 1980-03-05 | Int Computers Ltd | Data processing units |
US4608689A (en) * | 1981-12-04 | 1986-08-26 | Canon Kabushiki Kaisha | Data processing and transfer apparatus |
US4636939A (en) * | 1982-07-16 | 1987-01-13 | At&T Bell Laboratories | Parallel bus protocol |
DE3501569C2 (de) * | 1984-01-20 | 1996-07-18 | Canon Kk | Datenverarbeitungseinrichtung |
US4680701A (en) * | 1984-04-11 | 1987-07-14 | Texas Instruments Incorporated | Asynchronous high speed processor having high speed memories with domino circuits contained therein |
US4665495A (en) * | 1984-07-23 | 1987-05-12 | Texas Instruments Incorporated | Single chip dram controller and CRT controller |
US4691289A (en) * | 1984-07-23 | 1987-09-01 | Texas Instruments Incorporated | State machine standard cell that supports both a Moore and a Mealy implementation |
JPS61118850A (ja) * | 1984-11-15 | 1986-06-06 | Nec Corp | マイクロプロセツサ |
JPS61224051A (ja) * | 1985-03-29 | 1986-10-04 | Fujitsu Ltd | バッファメモリ制御方法 |
JPS6278640A (ja) * | 1985-10-02 | 1987-04-10 | Mitsubishi Electric Corp | 主記憶制御装置 |
IT1215539B (it) * | 1987-06-03 | 1990-02-14 | Honeywell Inf Systems | Memoria tampone trasparente. |
US5038282A (en) * | 1988-05-11 | 1991-08-06 | Massachusetts Institute Of Technology | Synchronous processor with simultaneous instruction processing and data transfer |
US5113518A (en) * | 1988-06-03 | 1992-05-12 | Durst Jr Robert T | Method and system for preventing unauthorized use of software |
US5278974A (en) * | 1989-12-04 | 1994-01-11 | Digital Equipment Corporation | Method and apparatus for the dynamic adjustment of data transfer timing to equalize the bandwidths of two buses in a computer system having different bandwidths |
-
1989
- 1989-03-08 JP JP1057303A patent/JPH02235156A/ja active Pending
-
1990
- 1990-02-28 SG SG1996006832A patent/SG43275A1/en unknown
- 1990-02-28 DE DE69023679T patent/DE69023679T2/de not_active Expired - Fee Related
- 1990-02-28 EP EP90302164A patent/EP0386935B1/de not_active Expired - Lifetime
-
1995
- 1995-06-07 US US08/487,698 patent/US5809517A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0386935B1 (de) | 1995-11-22 |
SG43275A1 (en) | 1997-10-17 |
DE69023679D1 (de) | 1996-01-04 |
JPH02235156A (ja) | 1990-09-18 |
EP0386935A2 (de) | 1990-09-12 |
EP0386935A3 (de) | 1991-06-19 |
US5809517A (en) | 1998-09-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |