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Storage device and mechanism thereof

A storage device and storage unit technology, applied in the field of data security, can solve problems such as increasing the complexity of the circuit structure, and achieve the effect of reducing the complexity

Inactive Publication Date: 2020-02-07
吴雯雯
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the memory cards in the prior art are all used as terminal storage nodes. When bus cascading is realized by setting storage channels, this increases the complexity of the circuit structure to a certain extent.

Method used

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  • Storage device and mechanism thereof
  • Storage device and mechanism thereof
  • Storage device and mechanism thereof

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Embodiment Construction

[0032] The technical solutions provided by the present invention will be further described below in conjunction with the accompanying drawings.

[0033] see figure 1 , which is a functional block diagram of a storage device according to the present invention, which at least includes a first interface, a second interface, a storage management unit, and at least one storage unit, wherein the storage unit is used to store data; the first interface uses The second interface is used for cascading the subsequent storage device through the bus, and the storage management unit is connected with the first interface and the second interface for executing The storage task assigned to the storage device on the bus or data is sent through the bus. Among them, the first interface or the second interface adopts any one of PCIe, SATA, USB, SAS, IEEE1394, SD, eMMC or SPI interface; the storage task includes reading and writing data, configuration information, etc., and the configuration infor...

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Abstract

The invention discloses a storage device and a mechanism thereof. The storage device at least comprises a first interface, a second interface, a storage management unit and at least one storage unit,wherein the storage unit is used for storing data; the first interface is used for accessing a pre-stage main device or the storage device through a bus; the second interface is used for cascading a post-stage storage device through the bus; and the storage management unit is connected with the first interface and the second interface and is used for executing a storage task allocated to the storage device on the bus or sending data through the bus. By adopting the technical scheme of the invention, the storage capacity can be infinitely expanded theoretically through standard interface cascading so as to meet the requirements of various applications; and meanwhile, standard interface cascading is adopted, so that the complexity of circuit implementation is further reduced.

Description

technical field [0001] The invention relates to the technical field of data security, in particular to a storage device and its mechanism. Background technique [0002] Storage devices are currently commonly used data storage devices. With the advent of the era of big data, the demand for storage capacity is also increasing. In the prior art, storage devices are usually packaged in the form of SSD, MMC card, SD card, eMMC chip, Flash chip, etc. Due to the physical characteristics of NAND Flash itself, direct architecture for large-capacity storage will result in an increase in the chip area of ​​the Flash controller, which greatly increases the technical difficulty and hardware cost of the controller implementation. [0003] On the other hand, with the continuous maturity of memory card technology, memory cards such as SD cards, MMC cards or eMMC chips have been widely used in various storage devices, especially with the wide application of eMMC chips in mobile phones, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/16
CPCG06F13/16G06F13/1668
Inventor 吴雯雯
Owner 吴雯雯