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.
Patent No.:
Date of Patent:
Jan. 18, 2011
Filed:
Dec. 31, 2007
Applicants:
Alan L. Westwick, Austin, TX (US);
Dazhi Wei, Austin, TX (US);
Xiaoling Guo, Austin, TX (US);
Jia-hau Liu, Austin, TX (US);
Inventors:
Alan L. Westwick, Austin, TX (US);
Dazhi Wei, Austin, TX (US);
Xiaoling Guo, Austin, TX (US);
Jia-Hau Liu, Austin, TX (US);
Assignee:
Silicon Laboratories Inc., Austin, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/00 (2006.01); G05F 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The single chip microcontroller unit includes a processing unit having normal power mode of operation and a low power mode of operation. Analog circuitry and digital circuitry are connected to the processing unit. Monitoring circuitry determines if a chip supply voltage level exceeds a threshold level necessary to maintain operation of the digital circuitry.