×

DATA PROTECTING METHOD, MEMORY CONTROLLER AND MEMORY STORAGE DEVICE USING THE SAME

  • US 20130262748A1
  • Filed: 06/08/2012
  • Published: 10/03/2013
  • Est. Priority Date: 04/03/2012
  • Status: Active Grant
First Claim
Patent Images

1. A data protecting method, for a rewritable non-volatile memory module, wherein the rewritable non-volatile memory module comprises a plurality of physical blocks, a plurality of logical block addresses are configured to map to a part of the physical blocks, the data protecting method comprising:

  • configuring a plurality of virtual block addresses to map to the logical block addresses;

    grouping at least one virtual block address of the virtual block addresses into a first virtual block address area and allocating the first virtual block address area to a first application, wherein the at least one virtual block address is mapped to at least one logical block address, and the first virtual block address area is mapped to a first logical block address area;

    receiving a first access command from the first application, wherein the first access command instructs accessing a first virtual block address of the virtual block addresses;

    determining whether the first virtual block address belongs to the first virtual block address area; and

    if the first virtual block address does not belong to the first virtual block address area, sending an access error message to the first application.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×