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:
Feb. 18, 2014

Filed:

Dec. 18, 2012
Applicant:

Fujitsu Limited, Kawasaki, JP;

Inventor:

Michiharu Hara, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/32 (2006.01); G06F 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A semiconductor device includes: a frequency setting information storage unit that stores sets of frequency information indicating setting of a frequency supplied by an oscillation unit and frequency identification information identifying the frequency information and outputs one of a plurality of pieces of the frequency information to the oscillation unit based on frequency identification information inputted thereinto; a speed setting information storage unit that stores speed identification information indicating a speed of the semiconductor device and frequency identification information corresponding to the speed identification information; a frequency identification information count unit that holds a value of the frequency identification information inputted into the frequency setting information storage unit; and a control unit that causes the frequency identification information count unit to increment or decrement the held value of the frequency identification information to approach a value of the frequency identification information stored in the speed setting information storage unit.


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