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:
Apr. 19, 2016

Filed:

Mar. 27, 2014
Applicant:

Renesas Electronics Corporation, Tokyo, JP;

Inventors:

Daisuke Kawakita, Tokyo, JP;

Toshikazu Hori, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01); G06F 13/36 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0658 (2013.01); G06F 3/0625 (2013.01); G06F 3/0673 (2013.01); G06F 13/36 (2013.01); Y02B 60/1228 (2013.01);
Abstract

Provided is a semiconductor device including: a plurality of processing circuits; an arbitration circuit that arbitrates a plurality of data transfer requests issued by the plurality of processing circuits; a mask control circuit that loads the plurality of data transfer requests arbitrated by the arbitration circuit, and sequentially outputs the plurality of data transfer requests after a lapse of a mask period; and a memory controller that accesses a memory based on the plurality of data transfer requests sequentially output from the mask control circuit, and switches a mode of the memory to a power saving mode when no data transfer request is output from the mask control circuit for a predetermined period.


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