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:
Jun. 24, 2008

Filed:

Nov. 22, 2005
Applicants:

Michael R. May, Austin, TX (US);

Erich Lowe, Austin, TX (US);

Inventors:

Michael R. May, Austin, TX (US);

Erich Lowe, Austin, TX (US);

Assignee:

Sigmatel, Inc., Austin, TX (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/48 (2006.01);
U.S. Cl.
CPC ...
Abstract

A system on a chip integrated circuit includes a first digital module a second digital module such that the first digital module and the second digital module are operably coupled to generate an output signal based on an input signal, based on the first digital clock signal and the second digital clock signal. A digital clock generator generates a base clock signal at a base clock frequency that varies based on a control signal and generates a first digital clock signal having a substantially constant number of first digital clock cycles over a predetermined period and for generating a second digital clock signal having a substantially constant number of second digital clock cycles over the predetermined period.


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