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Method for intercrossed memory space disposition

A cross-allocation and memory technology, which is applied in the field of cross-allocation memory space of the interleaved access method, can solve problems such as inconvenience, and achieve the effects of improving access efficiency, shortening the data access cycle, and reducing the number of page opening times

Active Publication Date: 2010-07-28
VIA TECH INC
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Problems solved by technology

[0006] It can be seen that the above-mentioned existing method for accessing internal memory obviously still has inconvenience and defects in method and use, and needs to be further improved urgently.
In order to solve the problems existing in the method of accessing memory, relevant manufacturers have tried their best to find a solution, but no suitable design has been developed for a long time, and there is no suitable method for general memory access. To solve the above problems, this is obviously a problem that the relevant industry is eager to solve

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  • Method for intercrossed memory space disposition
  • Method for intercrossed memory space disposition
  • Method for intercrossed memory space disposition

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Embodiment Construction

[0043] In order to further explain the technical means and effects of the present invention to achieve the intended purpose of the invention, the specific implementation methods, methods, steps, Features and their functions are described in detail below.

[0044] see figure 2 Shown is a schematic diagram of a data access system, which includes a central processing unit 202 sending a signal through the system bus 204 to request data access to the memory control unit 206 . The memory control unit accepts this request and then reads or writes data into the physical address of the memory unit 208 according to the logical address signal sent by the central processing unit 202. The memory control unit 206 has the function of converting the memory logical address and physical address .

[0045] In this embodiment, it is assumed that the memory system composed of the memory control unit 206 and the memory unit 208 is a synchronous dynamic random access memory (Synchronous DRAM, SDR...

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Abstract

The invention relates to a method for intercrossed memory space disposition, wherein at least one bit element in the logic positional code of the memory unit composed of dynamic random access memory (DRAM) is employed as the control code, so as to allocate the interleaved memory space to different memory rank, the method comprises defining data cross-configuration mode from formula, then cross-configuring the data to the memory rank it belongs based on the defined mode, and accessing this data in the memory rank.

Description

technical field [0001] The present invention relates to an access method of a memory system, in particular to a method for interleaving memory spaces for interleaving access methods used in a memory system with multiple memory columns to improve data throughput . Background technique [0002] Today's data (data is data, hereinafter referred to as data) access systems generally include memory (memory is storage media, storage, memory, hereinafter referred to as memory) units, and there will be some memory The unit is designed with multiple memory ranks for future expansion of memory capacity, and these multiple memory ranks often share the same system bus (a bus is a bus, hereinafter referred to as a bus). [0003] The memory access architecture is based on memory pages. To read a piece of data, you must first activate (activate) a memory page, and then issue an access command to the memory after a number of clock cycles. After the memory receives the instruction, it must w...

Claims

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Application Information

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IPC IPC(8): G11C8/00G11C7/00G11C11/4063G06F12/00
Inventor 谢博伟刘明熙
Owner VIA TECH INC
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