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Memory control method, memory storage device and memory controller

A technology of a memory controller and a control method, which is applied in the direction of instruments, input/output to record carriers, calculations, etc., and can solve the problem of the decrease of the write bandwidth of the memory device, etc.

Active Publication Date: 2021-06-18
HOSIN GLOBAL ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, the writing of the host system must wait until the garbage collection program releases new idle physical units before continuing to execute, resulting in a significant decrease in the writing bandwidth of the memory device

Method used

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  • Memory control method, memory storage device and memory controller
  • Memory control method, memory storage device and memory controller
  • Memory control method, memory storage device and memory controller

Examples

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Embodiment Construction

[0020] Reference will now be made in detail to the exemplary embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used in the drawings and description to refer to the same or like parts.

[0021] figure 1 is a schematic diagram of a memory storage device according to an embodiment of the present invention. Please refer to figure 1 , the memory storage system 10 includes a host system 11 and a memory storage device 12 . The host system 11 can be any type of computer system. For example. The host system 11 can be various electronic systems such as notebook computers, desktop computers, smart phones, tablet computers, industrial computers, game consoles, and digital cameras. The memory storage device 12 is used to store data from the host system 11 . For example, the memory storage device 12 may include a solid state disk, a USB flash drive, a memory card, or other types o...

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Abstract

The invention provides a memory control method, a memory storage device and a memory controller. The method comprises the following steps: receiving at least one write-in instruction from a host system; executing sequential write operation according to the write instruction; and during execution of the sequential write operation, executing an early data sorting operation before the total number of the remaining entity units in the idle area is lower than a threshold value. Accordingly, the stability of the write bandwidth at the time of sequential writing can be improved.

Description

technical field [0001] The present invention relates to a memory control technology, and in particular to a memory control method, a memory storage device and a memory controller. Background technique [0002] Non-volatile memory modules (such as flash memory modules) have the advantages of non-volatile storage of data, low power consumption, and fast data access. Certain types of memory storage devices may additionally provide a cache area (also called a cache buffer) in the non-volatile memory module. When storing data, if the cache area is not full, the data can be quickly stored in the cache area through a single level storage cell (Single Level Cell, SLC) programming mode. After the cache area is full, subsequent data can pass through Direct-Triple Level Cell (Direct-TLC), Direct-Quad Level Cell (Direct-QLC) or similar programs to store data directly in the data area. [0003] Generally, the data capacity of each storage unit in the cache area is 1 / 3 or 1 / 4 of the da...

Claims

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Application Information

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IPC IPC(8): G06F3/06
CPCG06F3/0604G06F3/061G06F3/0656G06F3/064G06F3/0658G06F3/0679Y02D10/00
Inventor 吴宗霖
Owner HOSIN GLOBAL ELECTRONICS CO LTD