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Memory access method and memory access device

A technology of memory access and memory, which is applied in the field of communication, can solve problems such as inability to access memory, and achieve the effect of access and frequency division multiplexing

Active Publication Date: 2015-06-10
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present invention provide a memory access method and a memory access device to solve the problem that multiple CPUs cannot access the same piece of memory at the same time

Method used

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  • Memory access method and memory access device
  • Memory access method and memory access device

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Embodiment Construction

[0038] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0039] figure 1 It is a flowchart of a memory access method in an embodiment of the present invention. Such as figure 1 As shown, this method is applicable to the same memory stick hanging under different CPUs, and the number of the memory stick is at least one, wherein the method includes:

[0040] Step 101, determine information about CPU acc...

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Abstract

The invention provides a memory access method and a memory access device. The memory access method comprises the following steps: determining information of CPU to access the memory, and then transmitting access information to the memory with adoption of a first frequency, wherein the access information is the information for accessing the memory; the first frequency is different from other frequencies that the CPU sends the access information at the same moment; the frequency division multiplexing of shared channels between the CPU and the memory is achieved, so that the CPU can access multiple memories at the same moment.

Description

technical field [0001] The embodiments of the present invention relate to communication technologies, and in particular to a memory access method and a memory access device. Background technique [0002] With the continuous development of computer technology and the development of the information industry, multiple CPUs can access the same memory. [0003] In the prior art, the CPU accesses the memory through a parallel bus, which includes a data bus, a command bus and an address bus. When multiple CPUs access one memory or multiple memories at the same time, in order to avoid conflicts, the access information can be sent on the bus in a time-sharing manner. [0004] However, in the prior art, it is impossible for multiple CPUs to access the same piece of memory at the same time, wherein the same piece of memory is a memory connected to the CPU using the same bus. Contents of the invention [0005] Embodiments of the present invention provide a memory access method and a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/16
Inventor 陈少杰赵俊峰罗日新张福文
Owner HUAWEI TECH CO LTD