Patent ID: 11869601
Assignee: KIOXIA CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 13:
14. A method executed by a controller,
the controller including:
a nonvolatile first memory including a first storage area;
a nonvolatile second memory including a second storage area;
a first data latch group used for input and output of data between the controller and the first memory;
a second data latch group used for input and output of the data between the controller and the second memory;
a third data latch group in which first stored data is maintained when the data is read from the first memory; and
a fourth data latch group in which second stored data is maintained when the data is read from the second memory, and

the method comprising:
storing management information in the third and fourth data latch groups when or before executing a read process for the data from the first and second memories, the management information being in a third memory and used for reading of the data; and
executing the read process.