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Method and device for accessing storage

A memory and storage block technology, applied in the direction of instruments, memory address/allocation/relocation, electrical digital data processing, etc., can solve the problems of low working efficiency of video codec and reduce the limited number of operations, so as to improve writing efficiency , Improve operating efficiency and improve writing efficiency

Active Publication Date: 2013-01-02
北京炬力北方微电子股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But because the number of memory blocks is small, usually only 4 or 8 memory blocks, so the number of reduction operations is limited, and the working efficiency of the video codec is still low

Method used

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  • Method and device for accessing storage
  • Method and device for accessing storage

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Embodiment Construction

[0034] The embodiment of the present invention saves the number of switching operations on the memory row by storing the data of the macroblock into a row of the storage block in the memory, thereby improving the writing efficiency, especially the writing efficiency of the video data is significantly improved, and then the video data is improved. Processing efficiency and operating efficiency of the entire equipment. And reducing the switching operation can also prolong the service life of the memory and reduce power consumption.

[0035] see figure 2 , the method flow of the first embodiment of accessing the memory in this embodiment is as follows:

[0036] Step 201: Perform address translation on the received data processed in the form of macroblocks.

[0037] Step 202: Store the data of one macroblock into one row of the storage block in the memory according to the transformed address.

[0038] see image 3 , the method flow of the second embodiment of accessing the me...

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Abstract

The invention discloses a method and a device for accessing a storage, which are used for improving data writing efficiency. The method for accessing the storage comprises: performing address transformation of received data which have been processed in a macro block mode; and according to the transformed address, storing the data in a macro block in a row of a storage block in the storage. The invention also discloses the device for realizing the method.

Description

technical field [0001] The invention relates to the field of computer and image processing, in particular to a method and device for accessing memory. Background technique [0002] Memory includes RAM, ROM and so on. RAM also includes dynamic random access memory (Dynamic Random Access Memory, DRAM) and static random access memory. The storage space of the DRAM device is allocated according to the storage block (bank), row (row) and column (column). Only one row in each storage block is in the active state. If you need to read and write data to other rows in the storage block, you must first close the row in the active state, and then open the row that needs to be read and written. [0003] Some modules such as the Video Display module read and write images in rows, and usually read all image data row by row in the order from left to right and top to bottom. Therefore, in the prior art, when data is stored, a row of image data is stored in a corresponding row in the DRAM ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F12/06G06F13/16
Inventor 王南飞刘建伟仇静邓禹
Owner 北京炬力北方微电子股份有限公司