JP4964091B2 - メモリアクセス方法およびメモリ制御装置 - Google Patents
メモリアクセス方法およびメモリ制御装置 Download PDFInfo
- Publication number
- JP4964091B2 JP4964091B2 JP2007281979A JP2007281979A JP4964091B2 JP 4964091 B2 JP4964091 B2 JP 4964091B2 JP 2007281979 A JP2007281979 A JP 2007281979A JP 2007281979 A JP2007281979 A JP 2007281979A JP 4964091 B2 JP4964091 B2 JP 4964091B2
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- 238000000034 method Methods 0.000 title claims description 18
- 230000000694 effects Effects 0.000 claims description 6
- 230000000737 periodic effect Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 claims 1
- 210000004027 cell Anatomy 0.000 description 14
- 238000010586 diagram Methods 0.000 description 11
- 239000004065 semiconductor Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 210000000352 storage cell Anatomy 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/39—Control of the bit-mapped memory
- G09G5/393—Arrangements for updating the contents of the bit-mapped memory
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/39—Control of the bit-mapped memory
- G09G5/395—Arrangements specially adapted for transferring the contents of the bit-mapped memory to the screen
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/16—Determination of a pixel data signal depending on the signal applied in the previous frame
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/12—Frame memory handling
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/12—Frame memory handling
- G09G2360/123—Frame memory handling using interleaving
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/12—Frame memory handling
- G09G2360/128—Frame memory using a Synchronous Dynamic RAM [SDRAM]
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/4063—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
- G11C11/407—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
- G11C11/408—Address circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
- G11C7/1072—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers for memories with random access ports synchronised on clock signal pulse trains, e.g. synchronous memories, self timed memories
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Dram (AREA)
- Memory System (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007281979A JP4964091B2 (ja) | 2007-10-30 | 2007-10-30 | メモリアクセス方法およびメモリ制御装置 |
| US12/289,446 US8064282B2 (en) | 2007-10-30 | 2008-10-28 | Method of accessing synchronous dynamic random access memory, memory control circuit, and memory system including the same |
| CN2008101751356A CN101425040B (zh) | 2007-10-30 | 2008-10-30 | 存储器的存取方法、存储控制电路和存储系统 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007281979A JP4964091B2 (ja) | 2007-10-30 | 2007-10-30 | メモリアクセス方法およびメモリ制御装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009110600A JP2009110600A (ja) | 2009-05-21 |
| JP2009110600A5 JP2009110600A5 (enExample) | 2012-01-19 |
| JP4964091B2 true JP4964091B2 (ja) | 2012-06-27 |
Family
ID=40582638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007281979A Active JP4964091B2 (ja) | 2007-10-30 | 2007-10-30 | メモリアクセス方法およびメモリ制御装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US8064282B2 (enExample) |
| JP (1) | JP4964091B2 (enExample) |
| CN (1) | CN101425040B (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009169257A (ja) * | 2008-01-18 | 2009-07-30 | Kawasaki Microelectronics Inc | メモリ制御回路および画像処理装置 |
| CN101511021B (zh) * | 2009-03-24 | 2014-10-29 | 北京中星微电子有限公司 | 在sdram中存取图像数据的方法 |
| US20110194606A1 (en) * | 2010-02-09 | 2011-08-11 | Cheng-Yu Hsieh | Memory management method and related memory apparatus |
| JP2013231918A (ja) * | 2012-05-01 | 2013-11-14 | Samsung R&D Institute Japan Co Ltd | フレームメモリの制御回路、表示装置及びフレームメモリの制御方法 |
| CN111831212B (zh) * | 2019-04-19 | 2023-07-04 | 杭州海康威视数字技术股份有限公司 | 一种数据写入、读取方法、装置及设备 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5710879A (en) | 1980-06-20 | 1982-01-20 | Mitsubishi Electric Corp | Picture memory device |
| US4482979A (en) | 1982-02-04 | 1984-11-13 | May George A | Video computing system with automatically refreshed memory |
| JPS5954095A (ja) | 1982-09-20 | 1984-03-28 | Toshiba Corp | ビデオramリフレッシュ方式 |
| US4587559A (en) | 1983-03-11 | 1986-05-06 | Welch Allyn, Inc. | Refreshing of dynamic memory |
| JPS60113395A (ja) | 1983-11-25 | 1985-06-19 | Hitachi Ltd | メモリ制御回路 |
| JPS6251095A (ja) | 1985-08-29 | 1987-03-05 | Nec Corp | 画像メモリ駆動方式 |
| KR920009770B1 (ko) * | 1990-10-31 | 1992-10-22 | 삼성전자 주식회사 | 영상기록재생장치에서 메모리내 프레임 데이타 어드레싱 방식 |
| JPH04285790A (ja) * | 1991-03-14 | 1992-10-09 | Murata Mach Ltd | テレビ電話機用フレームメモリ装置 |
| JPH07287668A (ja) * | 1994-04-19 | 1995-10-31 | Hitachi Ltd | データ処理装置 |
| JPH08123953A (ja) * | 1994-10-21 | 1996-05-17 | Mitsubishi Electric Corp | 画像処理装置 |
| JPH08204921A (ja) * | 1995-01-31 | 1996-08-09 | Sony Corp | スキャナ装置 |
| US5784698A (en) * | 1995-12-05 | 1998-07-21 | International Business Machines Corporation | Dynamic memory allocation that enalbes efficient use of buffer pool memory segments |
| JP3359270B2 (ja) | 1997-10-24 | 2002-12-24 | キヤノン株式会社 | メモリー制御装置と液晶表示装置 |
| JP2000284771A (ja) | 1999-03-31 | 2000-10-13 | Fujitsu General Ltd | 映像データ処理装置 |
| JP2000315386A (ja) * | 1999-04-30 | 2000-11-14 | Sony Corp | メモリのアドレシング方法およびデータ処理装置 |
| JP2003068072A (ja) | 2001-08-30 | 2003-03-07 | Fujitsu General Ltd | フレームメモリ回路 |
-
2007
- 2007-10-30 JP JP2007281979A patent/JP4964091B2/ja active Active
-
2008
- 2008-10-28 US US12/289,446 patent/US8064282B2/en active Active
- 2008-10-30 CN CN2008101751356A patent/CN101425040B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009110600A (ja) | 2009-05-21 |
| US8064282B2 (en) | 2011-11-22 |
| CN101425040A (zh) | 2009-05-06 |
| CN101425040B (zh) | 2013-01-16 |
| US20090109784A1 (en) | 2009-04-30 |
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