Converting circuit for preventing wrong error correction...

Details Converting circuit for preventing wrong error correction... Converting circuit for preventing wrong error correction...

2007-08-28

2007-08-28

Dildine, R. Stephen (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S763000, C714S773000

Reexamination Certificate

active

10710860

ABSTRACT:
A converting circuit, for preventing wrong error correction code from occurring due to an error correction rule during data reading operation is provided. When the flash memory controller writes all 0xFF data into the flash memory, the byte error correction rule generates a set of correct error correction codes and the error correction code converting circuit converts the set of correct error correction codes into 0xFF error correction codes, and values stored in the data area and error correction code area of the flash memory are converted into 0xFF to prevent wrong error correction code from occurring during data reading operation when the error correction codes are not completely 0xFF.

REFERENCES:
patent: 2002/0170015 (2002-11-01), Hornung et al.
patent: 2005/0172086 (2005-08-01), Kawai
patent: 2007/0016721 (2007-01-01), Gay
Wikimedia Foundation, Inc., Hexadecimal, Jan. 27, 2007, Wikipedia, the free encyclopedia, pp. 1-7, URL: http://en.wikipedia.org/wiki/Hexadecimal.

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