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Control method, device and system for synchronous storage device

A technology of a storage device and a control method, applied in the field of storage, can solve problems such as limited occupied weight, and achieve the effects of reducing the impact of performance bandwidth, reducing time, and reducing external access blocking time

Pending Publication Date: 2021-03-30
JLQ TECH CO LTD
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  • Abstract
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Problems solved by technology

[0004] The above two technical solutions focus on how to reduce the tFQ time in the frequency switching time (tFC) of the entire DDR subsystem, and the tFQ time has a limited weight in the entire tFC, so it is expected to reduce the tFQ time by reducing the tFQ time. Limited ability to small the time of the entire tFC

Method used

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  • Control method, device and system for synchronous storage device
  • Control method, device and system for synchronous storage device
  • Control method, device and system for synchronous storage device

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Embodiment Construction

[0031] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following briefly introduces the drawings that need to be used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some examples or embodiments of the present application, and those skilled in the art can also apply the present application to other similar scenarios. Unless otherwise apparent from context or otherwise indicated, like reference numerals in the figures represent like structures or operations.

[0032] As indicated in this application and claims, the terms "a", "an", "an" and / or "the" do not refer to the singular and may include the plural unless the context clearly indicates an exception. Generally speaking, the terms "comprising" and "comprising" only suggest the inclusion of clearly identified steps and elements, and these steps and elements do not constitute an exclusive list, and ...

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Abstract

The invention provides a control method, device and system of a synchronous storage device. The method comprises the following steps: in response to a frequency switching request, starting to lock a standby clock source as a target clock frequency; monitoring whether the standby clock source is locked to the target clock frequency or not; when the standby clock source is locked to the target clockfrequency, blocking external access; starting an internal frequency switching process and a parameter configuration process; and removing external access congestion. According to the method, the timerequired by the frequency switching process of the synchronous storage device can be reduced, and the external access blocking time is reasonably and effectively reduced, so that the influence of thefrequency switching process on the performance bandwidth of the whole chip is effectively reduced.

Description

technical field [0001] The present application mainly relates to the field of storage, and in particular to a control method, device and system for a synchronous storage device. Background technique [0002] The frequency switching of the synchronous storage device is an extremely important low power consumption technical means in the subsystem of the synchronous storage device. Through frequency switching, it is possible to meet different bandwidth requirements with lower power consumption. However, during the frequency switching process of the synchronous storage device, a longer frequency time will cause a loss of performance of the synchronous storage device subsystem. Taking DDR as an example, for DDR frequency switching, there are two commonly used technical solutions to reduce the frequency switching time: the first solution is to reduce DDR by providing multiple sets of DDR configuration parameters and DDR training values ​​​​at different frequencies. The method of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11C7/22G11C11/409G06F13/16
CPCG11C7/222G11C11/409G06F13/1689
Inventor 牟澄磊江晓峰李亚霈
Owner JLQ TECH CO LTD
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