Mechanism to commit data to a memory device with read-only access
US6188602A · kind A · utility
69Cited by
7References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 2000 |
| Grant date | Feb 13, 2001 |
| Priority date | — |
| Expiry date | Jan 25, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C16/22
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An apparatus for accessing locked-down flash memory in a computer system that utilizes a general purpose input/output port coupled to the flash memory, and includes program instructions that generate a reset signal, output the reset signal to the general purpose input/output port, sense the reset signal, unlock the flash memory to allow write access to the flash memory, update the flash memory, and lock the flash memory to locked down mode. The present invention allows flash memory to be updated during normal operation of the computer system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.