The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 23, 2016

Filed:

Mar. 14, 2013
Applicant:

Phison Electronics Corp., Miaoli, TW;

Inventors:

Po-Ting Chen, Taipei, TW;

Shih-Kung Lin, Hsinchu County, TW;

Teng-Chun Hsu, Pingtung County, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/08 (2006.01); G06F 12/02 (2006.01); G06F 1/32 (2006.01); G11C 16/00 (2006.01);
U.S. Cl.
CPC ...
G06F 12/0246 (2013.01); G06F 1/324 (2013.01); G06F 1/3225 (2013.01); G06F 1/3275 (2013.01); G06F 1/3287 (2013.01); G11C 16/00 (2013.01); Y02B 60/1217 (2013.01); Y02B 60/1225 (2013.01); Y02B 60/1228 (2013.01);
Abstract

A clock switching method for a memory storage apparatus is provided. The method includes: setting a value of the clock as a first operation frequency when an operation mode is switched to an initial state; determining whether a first continuous accessing time of accessing continuously a rewritable non-volatile memory module is larger than a first setting value during a period in which the operation mode is at the initial state; re-setting the value of the clock as a second operation frequency, which is smaller than the first operation frequency, to switch the operation mode to a power saving state if the first continuously access time is larger than the first setting value; and re-setting the value of the clock as the first operation frequency to switch the operation mode to a general state during a period in which the operation mode is at the power saving state.


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