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:
Feb. 10, 2026
Filed:
Mar. 30, 2023
Silicon Motion, Inc., Hsinchu County, TW;
Tsung-Chieh Yang, Hsinchu, TW;
Silicon Motion, Inc., Hsinchu County, TW;
Abstract
The present invention provides a control method of a flash memory controller, wherein the flash memory controller is configured to access a flash memory module, and the flash memory module includes a plurality of blocks. The control method includes the steps of: obtaining a read count of a specific block; obtaining a time stamp of the specific block, wherein the time stamp is a write time of the specific block; calculating a time difference between a current system time and the time stamp of the specific block; and using the read count of the specific block and the time difference, and referring to a read count and threshold time mapping table to determine whether to arrange the specific block in a garbage collection pool.