MEMORY ERASING METHOD, MEMORY CONTROLLER, AND MEMORY STORAGE APPARATUS

摘要

A memory erasing method and a memory controller and a memory storage apparatus using the same are provided. The method comprising establishing a link list according to a plurality of physical blocks of a spare area, and storing the link list into the rewritable non-volatile memory module, wherein the physical blocks of the spare area are recorded in the link list according to an arrangement order; and during every power on of the memory storage apparatus, selecting a plurality of third physical blocks among the physical blocks in the spare area according to the link list and a predetermined number, and respectively executing an erase command on the third physical blocks, wherein the third physical blocks are arranged at a beginning of the link list, and the number of the third physical blocks is the predetermined number.

主权项

1. A memory erasing method for a rewritable non-volatile memory module of a memory storage apparatus, wherein the rewritable non-volatile memory module has a plurality of physical blocks, the memory erasing method comprising:
logically grouping the physical blocks into at least a data area and a spare area; establishing a link list according to the physical blocks of the spare area, and storing the link list into the rewritable non-volatile memory module, wherein the physical blocks of the spare area are recorded in the link list according to an arrangement order; and during every power on of the memory storage apparatus, selecting a plurality of third physical blocks among the physical blocks in the spare area according to the link list and a predetermined number, and respectively executing an erase command on the third physical blocks, wherein the third physical blocks are arranged at a beginning of the link list, and the number of the third physical blocks is the predetermined number.