Input output access controller
US8312292B2 · kind B2 · utility
0Cited by
24References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2008 |
| Grant date | Nov 13, 2012 |
| Priority date | — |
| Expiry date | Jan 15, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/0485
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A device for high-assurance processing is disclosed. A processing circuit uses an access controller to assure that the processing circuit operates properly. The processing circuit runs software programs and is programmable. The access controller is programmable, but not programmable by the processing circuit. Peripherals or segments of the address space of the processing circuit is regulated. In a particular state, the peripherals that are available are regulated by the access controller. In some embodiments, the transition from state-to-state can also be regulated by the access controller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.