CN114490465A - 用于直接存储器访问的数据传输方法和装置 - Google Patents
用于直接存储器访问的数据传输方法和装置 Download PDFInfo
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- CN114490465A CN114490465A CN202111624405.9A CN202111624405A CN114490465A CN 114490465 A CN114490465 A CN 114490465A CN 202111624405 A CN202111624405 A CN 202111624405A CN 114490465 A CN114490465 A CN 114490465A
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- 230000000737 periodic effect Effects 0.000 claims description 13
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- 125000004122 cyclic group Chemical group 0.000 claims description 3
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- 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
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- 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
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/10—Address translation
- G06F12/1081—Address translation for peripheral access to main memory, e.g. direct memory access [DMA]
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Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060212612A1 (en) * | 2005-03-15 | 2006-09-21 | Kabushiki Kaisha Toshiba | I/O controller, signal processing system, and method of transferring data |
US20120331187A1 (en) * | 2011-06-24 | 2012-12-27 | Kun Xu | Bandwidth control for a direct memory access unit within a data processing system |
WO2016127552A1 (zh) * | 2015-02-12 | 2016-08-18 | 深圳市中兴微电子技术有限公司 | 一种直接内存存取dma控制器及数据传输的方法 |
CN111190842A (zh) * | 2019-12-30 | 2020-05-22 | Oppo广东移动通信有限公司 | 直接存储器访问、处理器、电子设备和数据搬移方法 |
CN111563216A (zh) * | 2020-07-16 | 2020-08-21 | 平安国际智慧城市科技股份有限公司 | 本地数据缓存方法、装置及相关设备 |
CN112199216A (zh) * | 2020-10-21 | 2021-01-08 | 哲库科技(北京)有限公司 | 接口配置方法和装置、调制解调芯片及存储介质 |
CN112463077A (zh) * | 2020-12-16 | 2021-03-09 | 北京云宽志业网络技术有限公司 | 数据块处理方法、装置、设备及存储介质 |
CN112799981A (zh) * | 2021-01-26 | 2021-05-14 | 展讯半导体(成都)有限公司 | 数据传输控制方法、功能机及相关产品 |
CN112947857A (zh) * | 2021-02-25 | 2021-06-11 | 山东英信计算机技术有限公司 | 一种数据搬移方法、装置、设备及计算机可读存储介质 |
CN113612567A (zh) * | 2021-10-11 | 2021-11-05 | 树根互联股份有限公司 | 设备多传感器采集数据的对齐方法、装置和电子设备 |
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2021
- 2021-12-28 CN CN202111624405.9A patent/CN114490465B/zh active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060212612A1 (en) * | 2005-03-15 | 2006-09-21 | Kabushiki Kaisha Toshiba | I/O controller, signal processing system, and method of transferring data |
US20120331187A1 (en) * | 2011-06-24 | 2012-12-27 | Kun Xu | Bandwidth control for a direct memory access unit within a data processing system |
WO2016127552A1 (zh) * | 2015-02-12 | 2016-08-18 | 深圳市中兴微电子技术有限公司 | 一种直接内存存取dma控制器及数据传输的方法 |
CN111190842A (zh) * | 2019-12-30 | 2020-05-22 | Oppo广东移动通信有限公司 | 直接存储器访问、处理器、电子设备和数据搬移方法 |
CN111563216A (zh) * | 2020-07-16 | 2020-08-21 | 平安国际智慧城市科技股份有限公司 | 本地数据缓存方法、装置及相关设备 |
CN112199216A (zh) * | 2020-10-21 | 2021-01-08 | 哲库科技(北京)有限公司 | 接口配置方法和装置、调制解调芯片及存储介质 |
CN112463077A (zh) * | 2020-12-16 | 2021-03-09 | 北京云宽志业网络技术有限公司 | 数据块处理方法、装置、设备及存储介质 |
CN112799981A (zh) * | 2021-01-26 | 2021-05-14 | 展讯半导体(成都)有限公司 | 数据传输控制方法、功能机及相关产品 |
CN112947857A (zh) * | 2021-02-25 | 2021-06-11 | 山东英信计算机技术有限公司 | 一种数据搬移方法、装置、设备及计算机可读存储介质 |
CN113612567A (zh) * | 2021-10-11 | 2021-11-05 | 树根互联股份有限公司 | 设备多传感器采集数据的对齐方法、装置和电子设备 |
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