The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 28, 2021
Filed:
Nov. 18, 2019
Method for managing flash memory module and associated flash memory controller and electronic device
Applicant:
Silicon Motion, Inc., Hsinchu County, TW;
Inventors:
Assignee:
Silicon Motion, Inc., Hsinchu County, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/02 (2006.01); G06F 12/0882 (2016.01); G06F 3/06 (2006.01); G06F 13/16 (2006.01); G06F 12/0891 (2016.01); G06F 11/07 (2006.01);
U.S. Cl.
CPC ...
G06F 12/0246 (2013.01); G06F 3/064 (2013.01); G06F 3/0608 (2013.01); G06F 3/0652 (2013.01); G06F 3/0679 (2013.01); G06F 11/076 (2013.01); G06F 12/0253 (2013.01); G06F 12/0882 (2013.01); G06F 12/0891 (2013.01); G06F 13/1668 (2013.01);
Abstract
The present invention provides a method for managing a flash memory module, wherein the flash memory module includes a plurality of flash memory chips, each flash memory chip includes a plurality of blocks, and each block includes a plurality of pages, and the method includes the steps of: using a time management circuit to generate current time information; when data is written into any one of the blocks, recording the time information generated by the time management circuit; and determining at least one specific block according to quantity of invalid pages within each block and the time information of each block.