Memory management unit and memory management method for controlling a nonvolatile memory and a volatile memory
US8589639B2 · kind B2 · utility
63Cited by
1References
9Claims
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Key dates
| Filing date | Sep 17, 2010 |
| Grant date | Nov 19, 2013 |
| Priority date | — |
| Expiry date | Sep 27, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/7203
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
According to one embodiment, a memory management unit which controls a first memory as a nonvolatile memory and a second memory as a volatile memory, the memory management unit includes, judging whether data in the first memory desired to be accessed is stored in the second memory, setting an error flag to issue error data when the data is not stored in the second memory, and reading, into a free space of the second memory, the data to be accessed in the first memory.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.