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Chip and electronic device

A technology of electronic equipment and chips, applied in the direction of electrical digital data processing, instruments, memory systems, etc., can solve problems such as idle waste of Cache and insufficient on-chip storage capacity, so as to improve system performance, increase data access speed, and expand on-chip The effect of storage space

Active Publication Date: 2017-05-31
APPOTECH
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AI Technical Summary

Problems solved by technology

[0008] The technical problem to be solved by the present invention is to provide a chip, driving recorder, flight video recording device and electronic equipment to solve the problems of insufficient internal storage capacity and idle waste of Cache

Method used

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  • Chip and electronic device
  • Chip and electronic device
  • Chip and electronic device

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Embodiment Construction

[0032] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0033] Cache memory (Cache) is a first-level memory that exists between the main memory and the CPU. It is usually composed of a static memory chip (SRAM). It has a relatively small capacity but a much higher speed than the main memory, and is close to the speed of the CPU. In the hierarchical structure of the computer storage system, Cache is a high-speed and small-capacity memory between the CPU and the main memory, and it forms a first-level memory together with the main memory. The scheduling and transfer of information between Cache and main memory is done automatically by hardware.

[0034] ...

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Abstract

The invention relates to the technical field of cache using, in particular to a chip and an electronic device. The chip comprises a processor and a cache. The cache comprises a caching mode and a storage mode; when the cache is located in the caching mode, the cache is used as a caching storage, and when the cache is located in the storage mode, the cache is used as a first on-chip storage. By means of the application mode of the chip and the electronic device in the embodiment, the on-chip storage space of the processor is enlarged, the data access speed of the processor is increased, and the performance of the chip is improved.

Description

[0001] 【Technical field】 [0002] The invention relates to the technical field of cache utilization, in particular to a chip and an electronic device. [0003] 【Background technique】 [0004] Cache memory (Cache) is located between the CPU and the memory. It is a high-speed and small-capacity memory. The physical location of the Cache is as close as possible to the CPU. It is generally packaged in the CPU chip. Its speed matches the speed of the CPU. A read / write is completed in the shortest storage cycle, which is several times to dozens of times higher than the memory speed. [0005] At present, in related technologies, the Cache is generally used as a cache for reading / writing when the CPU is working, and the characteristics of the Cache are fully utilized to improve the access speed of the CPU to the memory, thereby improving the performance of the entire system. [0006] In the process of implementing the present invention, the inventor found that the related technology h...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F12/06
CPCG06F12/0638
Inventor 朱国钟
Owner APPOTECH
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