DE69027907D1 - Datenspeicherzugriff - Google Patents
DatenspeicherzugriffInfo
- Publication number
- DE69027907D1 DE69027907D1 DE69027907T DE69027907T DE69027907D1 DE 69027907 D1 DE69027907 D1 DE 69027907D1 DE 69027907 T DE69027907 T DE 69027907T DE 69027907 T DE69027907 T DE 69027907T DE 69027907 D1 DE69027907 D1 DE 69027907D1
- Authority
- DE
- Germany
- Prior art keywords
- data storage
- storage access
- access
- data
- storage
- 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
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
- G06F13/40—Bus structure
- G06F13/4004—Coupling between buses
- G06F13/4009—Coupling between buses with data restructuring
- G06F13/4018—Coupling between buses with data restructuring with data-width conversion
-
- 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
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
- G06F13/28—Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal
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)
- Bus Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/430,693 US5170477A (en) | 1989-10-31 | 1989-10-31 | Odd boundary address aligned direct memory acess device and method |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69027907D1 true DE69027907D1 (de) | 1996-08-29 |
Family
ID=23708619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69027907T Expired - Lifetime DE69027907D1 (de) | 1989-10-31 | 1990-10-09 | Datenspeicherzugriff |
Country Status (5)
Country | Link |
---|---|
US (1) | US5170477A (de) |
EP (1) | EP0425849B1 (de) |
JP (1) | JPH0619752B2 (de) |
KR (1) | KR940002088B1 (de) |
DE (1) | DE69027907D1 (de) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5379443A (en) * | 1990-02-09 | 1995-01-03 | Intel Corporation | Microprocessor providing encoded information on byte enable lines indicating whether reading code or data, location of code/data on data lines, and bit width of code/data |
JP2606942B2 (ja) * | 1990-02-22 | 1997-05-07 | 株式会社東芝 | Dmaコントローラ |
AU652371B2 (en) * | 1990-06-29 | 1994-08-25 | Fujitsu Limited | Data transfer system |
US5465340A (en) * | 1992-01-30 | 1995-11-07 | Digital Equipment Corporation | Direct memory access controller handling exceptions during transferring multiple bytes in parallel |
US5548762A (en) * | 1992-01-30 | 1996-08-20 | Digital Equipment Corporation | Implementation efficient interrupt select mechanism |
US5721954A (en) * | 1992-04-13 | 1998-02-24 | At&T Global Information Solutions Company | Intelligent SCSI-2/DMA processor |
US5412782A (en) | 1992-07-02 | 1995-05-02 | 3Com Corporation | Programmed I/O ethernet adapter with early interrupts for accelerating data transfer |
US5392406A (en) * | 1992-09-18 | 1995-02-21 | 3Com Corporation | DMA data path aligner and network adaptor utilizing same |
JP2778913B2 (ja) * | 1994-04-26 | 1998-07-23 | 株式会社東芝 | マルチプロセッサシステム及びメモリアロケーション方法 |
US5566312A (en) * | 1994-05-23 | 1996-10-15 | Advanced Micro Devices | Processimg unit with programmable mis-aligned byte addressing |
US5623697A (en) * | 1994-11-30 | 1997-04-22 | International Business Machines Corporation | Bridge between two buses of a computer system with a direct memory access controller having a high address extension and a high count extension |
US5687328A (en) * | 1995-05-16 | 1997-11-11 | National Semiconductor Corporation | Method and apparatus for aligning data for transfer between a source memory and a destination memory over a multibit bus |
US5671373A (en) * | 1995-06-08 | 1997-09-23 | Hewlett-Packard Company | Data bus protocol for computer graphics system |
US6125435A (en) * | 1995-09-13 | 2000-09-26 | Lexar Media, Inc. | Alignment of cluster address to block addresses within a semiconductor non-volatile mass storage memory |
US5862407A (en) * | 1996-03-15 | 1999-01-19 | Rendition, Inc. | System for performing DMA byte swapping within each data element in accordance to swapping indication bits within a DMA command |
US6122717A (en) * | 1996-06-17 | 2000-09-19 | Integrated Device Technology, Inc. | Methods and apparatus for a memory that supports a variable number of bytes per logical cell and a variable number of cells |
US6065070A (en) * | 1998-03-18 | 2000-05-16 | National Semiconductor Corporation | DMA configurable channel with memory width N and with steering logic comprising N multiplexors, each multiplexor having a single one-byte input and N one-byte outputs |
JP2001022637A (ja) * | 1999-07-07 | 2001-01-26 | Fujitsu Ltd | メモリ制御装置及び情報処理装置 |
FI20010924A (fi) * | 2001-05-03 | 2002-11-04 | Nokia Corp | Mikroprosessorin muistinkäsittely |
US7016987B2 (en) * | 2001-06-21 | 2006-03-21 | Integrated Device Technology, Inc. | Transaction aligner microarchitecture |
US6993619B2 (en) * | 2003-03-28 | 2006-01-31 | International Business Machines Corporation | Single request data transfer regardless of size and alignment |
US7506133B2 (en) * | 2003-08-20 | 2009-03-17 | Seiko Epson Corporation | Method and apparatus for high speed addressing of a memory space from a relatively small address space |
JP2008512754A (ja) * | 2004-09-10 | 2008-04-24 | フリースケール セミコンダクター インコーポレイテッド | 複数のエンディアン・モード・バス・マッチングのための装置及び方法 |
US20070050592A1 (en) * | 2005-08-31 | 2007-03-01 | Gschwind Michael K | Method and apparatus for accessing misaligned data streams |
US8156310B2 (en) * | 2006-09-11 | 2012-04-10 | International Business Machines Corporation | Method and apparatus for data stream alignment support |
US8832415B2 (en) * | 2010-01-08 | 2014-09-09 | International Business Machines Corporation | Mapping virtual addresses to different physical addresses for value disambiguation for thread memory access requests |
US8868837B2 (en) * | 2010-01-15 | 2014-10-21 | International Business Machines Corporation | Cache directory lookup reader set encoding for partial cache line speculation support |
JP5035387B2 (ja) | 2010-05-10 | 2012-09-26 | 住友電気工業株式会社 | 研磨剤、化合物半導体の製造方法および半導体デバイスの製造方法 |
US11755224B2 (en) * | 2017-07-27 | 2023-09-12 | EMC IP Holding Company LLC | Storing data in slices of different sizes within different storage tiers |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4271466A (en) * | 1975-02-20 | 1981-06-02 | Panafacom Limited | Direct memory access control system with byte/word control of data bus |
JPS5911135B2 (ja) * | 1979-01-17 | 1984-03-13 | 株式会社日立製作所 | デ−タ処理システムのデ−タ転送方式 |
US4309754A (en) * | 1979-07-30 | 1982-01-05 | International Business Machines Corp. | Data interface mechanism for interfacing bit-parallel data buses of different bit width |
JPS5790740A (en) * | 1980-11-26 | 1982-06-05 | Nec Corp | Information transfer device |
US4471427A (en) * | 1981-12-01 | 1984-09-11 | Burroughs Corporation | Direct memory access logic system for a data transfer network |
US4542457A (en) * | 1983-01-11 | 1985-09-17 | Burroughs Corporation | Burst mode data block transfer system |
JPS59226923A (ja) * | 1983-05-27 | 1984-12-20 | インタ−ナシヨナル ビジネス マシ−ンズ コ−ポレ−シヨン | バスインタ−フエ−ス装置 |
US5038320A (en) * | 1987-03-13 | 1991-08-06 | International Business Machines Corp. | Computer system with automatic initialization of pluggable option cards |
EP0290172A3 (de) * | 1987-04-30 | 1991-01-16 | Advanced Micro Devices, Inc. | Zweirichtungsfifo mit variabler Byte-Begrenzung und Datenpfadbreitenänderung |
JPH0821013B2 (ja) * | 1987-05-13 | 1996-03-04 | 株式会社日立製作所 | ダイレクトメモリアクセスオ−ダ競合制御方式 |
-
1989
- 1989-10-31 US US07/430,693 patent/US5170477A/en not_active Expired - Fee Related
-
1990
- 1990-09-19 JP JP2247670A patent/JPH0619752B2/ja not_active Expired - Lifetime
- 1990-10-09 EP EP90119321A patent/EP0425849B1/de not_active Expired - Lifetime
- 1990-10-09 DE DE69027907T patent/DE69027907D1/de not_active Expired - Lifetime
- 1990-10-19 KR KR1019900016658A patent/KR940002088B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH0619752B2 (ja) | 1994-03-16 |
KR940002088B1 (ko) | 1994-03-17 |
EP0425849A2 (de) | 1991-05-08 |
EP0425849B1 (de) | 1996-07-24 |
EP0425849A3 (en) | 1992-07-29 |
KR910008587A (ko) | 1991-05-31 |
US5170477A (en) | 1992-12-08 |
JPH03147168A (ja) | 1991-06-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |