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Memory polling method, memory storage device and memory control circuit unit

A polling method and technology of a storage device, which are applied in the directions of instruments, electrical digital data processing, input/output to record carriers, etc., can solve the problems of the temperature increase of the memory storage device, the abnormal working state of the system, and the occupation of controller resources, etc. To achieve the effect of reducing the number of times and time, and reducing the temperature

Pending Publication Date: 2021-12-31
HEFEI CORE STORAGE ELECTRONICS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, repeatedly sending too many status requests will occupy too many resources of the controller, which will not only increase the power consumption of the memory storage device, but also cause the temperature of the memory storage device to increase
When the temperature reaches a certain level, the system will be in an abnormal working state, which will affect the performance of the memory storage device and user experience

Method used

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  • Memory polling method, memory storage device and memory control circuit unit
  • Memory polling method, memory storage device and memory control circuit unit
  • Memory polling method, memory storage device and memory control circuit unit

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Embodiment Construction

[0037] 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.

[0038] Generally speaking, a memory storage device (also called a memory storage system) includes a rewritable non-volatile memory module (rewritable non-volatile memory module) and a controller (also called a control circuit). Typically memory storage devices are used with a host system such that the host system can write data to or read data from the memory storage device.

[0039] figure 1 It is a schematic diagram showing a host system, a memory storage device and an input / output (I / O) device according to an exemplary embodiment of the present invention. figure 2 It is a schematic diagram showing a host system, a memory storage device and an I / O device according to another exemplary ...

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PUM

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Abstract

The invention provides a memory polling method, a memory storage device and a memory control circuit unit. The memory polling method comprises the following steps: detecting a plurality of busy times corresponding to a plurality of entity units when a plurality of first instructions are executed; counting a plurality of busy times corresponding to the plurality of entity units to generate a counting statistical value, and determining delay time according to the counting statistical value; and sending a state request to the rewritable nonvolatile memory module after the delay time.

Description

technical field [0001] The invention relates to a memory management technology, in particular to a memory polling method, a memory storage device and a memory control circuit unit. Background technique [0002] Digital cameras, mobile phones, and MP3 players have grown rapidly in recent years, making consumers' demand for storage media also increase rapidly. Since the rewritable non-volatile memory module (for example, flash memory) has the characteristics of data non-volatility, power saving, small size, and no mechanical structure, it is very suitable for built-in Among the various portable multimedia devices listed above. [0003] During use of such a memory storage device with a rewritable non-volatile memory module, the controller of the memory may need to wait for a command to complete before executing another command of the same memory die. Generally, the controller can check the state of the memory die, such as being in the ready state or the busy state, through a ...

Claims

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Application Information

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IPC IPC(8): G06F3/06
CPCG06F3/061G06F3/0658G06F3/0659G06F3/0679G06F3/0625G06F3/0605G06F3/0652G06F3/0653
Inventor 朱启傲张静曹快王鑫程旭辉洪婉君
Owner HEFEI CORE STORAGE ELECTRONICS LTD
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