Temperature feedback control system for dynamic voltage frequency scaling
US9411343B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2013 |
| Grant date | Aug 9, 2016 |
| Priority date | — |
| Expiry date | Feb 19, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D10/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention applies to the field of integrated-circuit control, and provides a temperature feedback control system and method for DVFS (Dynamic Voltage Frequency Scaling). In the present invention, a main processor sends a control data packet to a microprocessor according to a received temperature feedback trigger signal, and the microprocessor immediately triggers working of a temperature data acquiring module, and after the temperature data acquiring module acquires real-time temperature data of a chip, executes a temperature feedback algorithm on the real-time temperature data according to the control data packet to output a corresponding performance control parameter, so as to enable a DVFS circuit to adjust a working frequency and a working voltage of the chip, and further enable the chip to implement automatic frequency and voltage adjusting at a low voltage and a low temperature and at a high voltage and a high temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.