Processor having a frequency modulated core clock based on the criticality of program activity
US5815693A · kind A · utility
76Cited by
3References
5Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 15, 1995 |
| Grant date | Sep 29, 1998 |
| Priority date | — |
| Expiry date | Dec 15, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D10/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A processing system includes a clock synchromesh that receives indicia of critical activity from various functional units within the processing system and responsive to the indicia, ratchets down/up the frequency of a clock output signal to at least one of the functional units to reduce power consumption. The determination of critical activity is preferably made according to a heuristic internal to a processor under software or hardware control.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.