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Memory sharing method

A memory and memory capacity technology, applied in the direction of memory address/allocation/relocation, etc., can solve the problem of unused static random access memory

Active Publication Date: 2010-12-22
AUTOCHIPS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] A problem with the above-mentioned system-on-chip device is that the plurality of SRAMs distributed in different functional modules are generally not accessed at the same time, thus causing some idle SRAMs to remain unused. state being used

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Embodiment Construction

[0020] Certain terms are used in this specification and claims to refer to specific system components, but those skilled in the art should understand that manufacturers of consumer electronics equipment may use different terms to refer to the same component. The description and claims do not use the difference in name as the way to distinguish components, but the difference in function of the components as the criterion for distinguishing. The "contains " is an open term, so it should be interpreted as "including but not limited to". In addition, the word "coupling" here means any direct and indirect electrical connection means. Therefore, if the first device coupling is described in the text Connected to the second device means that the first device can be directly electrically connected to the second device, or indirectly electrically connected to the second device through other devices or connection means.

[0021] Please refer to figure 1 , figure 1 Shown is a memory s...

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Abstract

A memory sharing method for at least a functional module and a target module is disclosed. The functional module includes at least a static random access memory (SRAM), the memory sharing method includes the steps of calculating a memory capacity of the functional module; if a total memory capacity of a module group satisfies a memory capacity requirement of the target module, allocating the SRAMof the module group, wherein the module group comprises at least one functional module; and accessing the SRAM of the functional module of the module group by utilizing the target module. An objective of the present invention is to therefore provide a memory sharing method applied to an SOC device to reduce the number of implemented SRAMs and thereby reduce production costs.

Description

technical field [0001] The present invention relates to a memory sharing technology, in particular to a memory sharing method allowing multiple functional modules to share a static random access memory in a system-on-chip (SOC) device. Background technique [0002] Generally speaking, although the development of the system-on-chip device has greatly reduced the manufacturing cost of the electronic device, however, since the system-on-chip device includes a plurality of functional modules (functional modules), and each of these functional modules includes a corresponding memory, Therefore, the manufacturing cost of the SoC device remains high. In addition, in the SoC device, the entire memory occupies most of the chip area. For example, the memory block inside the SoC device may occupy about 70% of the chip area. [0003] In related technologies of a system-on-chip device, generally a static random access memory (static random access memory, SRAM) is allocated to a functiona...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F12/02
Inventor 陈志卿杜立群
Owner AUTOCHIPS