Brief description of the correction of errors in a flash memory

摘要

The present invention relates to a method of error correction in a nonvolatile flash memory of NAND type, said memory comprising a first and a second identical copies (SW1, SW2) of an item of software to be loaded, a page (P1) of a block (B2) occupied by data of the first copy (SW1) of the item of software being corrupted, and a page (P3) of a block (B53) occupied by data of the second copy (SW2) of the item of software being corrupted, said method comprising: the replacement of the block occupied by the second copy of the item of software and comprising a corrupted page by the identical block occupied by the first copy of the item of software, making it possible to correct the second copy of the item of software; the re-execution of the booting loading program; the loading of the second copy of the item of software.