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US 2024/0256465 A1Published application
Method of handling trim command in flash memory and related memory controller and storage system thereof
AssigneeSilicon Motion, Inc.
InventorTzu-Yi Yang
Life of this patent
Estimating the term…
Abstract
A method of handling trim commands in a flash memory is provided. The method comprises: receiving a trim command; modifying logical-to-physical (L2P) address mapping entries of a L2P address mapping table according to the trim command; and storing trim information of the trim command into one of data blocks of the flash memory after modifying the L2P address mapping entries according to the trim command.
Claims17
A method of handling trim commands in a flash memory, comprising:
- receiving a trim command;
- modifying logical-to-physical (L2P) address mapping entries of a L2P address mapping table according to the trim command;
- and
- storing trim information of the trim command into one of data blocks of the flash memory after modifying the L2P address mapping entries according to the trim command.
1 more element
A memory controller for use in a flash memory to control the flash memory and handle trim commands in the flash memory, comprising:
- a storage unit, arranged to store information and program codes;
- a processing unit, operable to execute the program codes to be arranged to:
- receive a trim command;
- modify logical-to-physical (L2P) address mapping entries of a L2P address mapping table according to the trim command;
- and
- store trim information of the trim command into one of data blocks of the flash memory after modifying the L2P address mapping entries according to the trim command.
3 more elements
A storage system, comprising:
- a flash memory;
- and
- a memory controller for use in a flash memory to control the flash memory and handle trim commands in the flash memory, the memory controller arranged to:
- receive a trim command;
- modify logical-to-physical (L2P) address mapping entries of a L2P address mapping table according to the trim command;
- and
- store trim information of the trim command into one of data blocks of the flash memory after modifying the L2P address mapping entries according to the trim command.
4 more elements
Dependencies are inferred from the claim text.