Microcontroller unit having power supply voltage monitor
US7873856B2 · kind B2 · utility
8Cited by
7References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 31, 2007 |
| Grant date | Jan 18, 2011 |
| Priority date | — |
| Expiry date | Jan 29, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K17/223
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.