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:
Oct. 21, 2014
Filed:
Dec. 16, 2009
Waseem Saify Kraipak, Maharastra, IN;
Pradeep Dharane, Maharastra, IN;
Yoon Sang Chae, Los Altos, CA (US);
Sunil Kumar Singla, Ludhiana (Punjab), IN;
Waseem Saify Kraipak, Maharastra, IN;
Pradeep Dharane, Maharastra, IN;
Yoon Sang Chae, Los Altos, CA (US);
Sunil Kumar Singla, Ludhiana (Punjab), IN;
Applied Micro Circuits Corporation, Sunnyvale, CA (US);
Abstract
A system and method are provided for using feedback to control processor frequencies in a system-on-chip (SoC). The method is associated with an SoC having a processor operating frequency responsive to a processor supply voltage on a first SOC interface, and a controller for managing the operating frequency. The controller accepts a frequency selection command associated with a first operating frequency, at a second SoC interface. The controller sends a first voltage command associated with the first frequency, via a third SOC interface, to a voltage regulator supplying the processor supply voltage. Then, the controller monitors the processor supply voltage. In response to detecting a processor first supply voltage, the processor is enabled to operate at the first frequency.