Data processing system, block erasing type memory device and memory storing program for controlling memory device
US6401166B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 26, 2001 |
| Grant date | Jun 4, 2002 |
| Priority date | — |
| Expiry date | Mar 26, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0679
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A data processing system is provided with a flash memory including a plurality of blocks and capable of erasing stored data collectively in units of block and a memory control unit for accessing the flash memory, the memory control unit having a control circuit for formatting the flash memory according to a format information for substantially coinciding each cluster serving as a logical unit of memory region of the flash memory with integer ones of the blocks and a control circuit for determining a size and position of each cluster and carrying out access control for erasing, write-in and reading of data of the flash memory according to the size and position of the determined cluster.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.