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:
Sep. 26, 2017

Filed:

Aug. 01, 2014
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventor:

Minoru Kambegawa, Abiko, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/04 (2006.01); G11C 11/406 (2006.01); G06F 11/07 (2006.01); G06F 12/06 (2006.01); G11C 7/10 (2006.01);
U.S. Cl.
CPC ...
G11C 7/1075 (2013.01); G06F 11/0733 (2013.01); G06F 12/06 (2013.01); G11C 7/04 (2013.01); G11C 7/1072 (2013.01); G11C 11/406 (2013.01); G11C 11/40626 (2013.01);
Abstract

An information processing apparatus, equipped with a WideIO memory device stacked on an SOC die including a CPU, and a method of controlling the same, are provide. The apparatus obtains temperature information of each of a plurality of memories of the WideIO memory device, and generates temperature distribution information of the WideIO memory device in accordance with respective execution of a plurality of function modules. Then, the apparatus determines a refresh rate of the WideIO memory device based on the maximum temperature of the WideIO memory device, decides a period, at which the refresh rate is determined, based on an operation mode of the information processing apparatus and a change rate of the maximum temperature for a predetermined time interval, and refreshes the WideIO memory device in accordance with the determined refresh rate.


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