Patent ID: 9740630
Date: 2017-08-22
CPC Classifications: G06F

Claim:
1. A method of mapping addresses in a storage device, the method comprising: registering first address mapping information including a first physical address and a first logical address in an address mapping table, the first physical address corresponding to a first storage area in the storage device, the first storage area including a first type of memory, the first logical address corresponding to the first physical address; and registering second address mapping information including a second physical address and a second logical address in the address mapping table, the second physical address corresponding to a second storage area in the storage device, the second storage area including a second type of memory that is different from the first type of memory, the second logical address corresponding to the second physical address, wherein the first storage area is configured to store first data, a number of times the first data is accessed being higher than or equal to a reference value, and the second storage area is configured to store second data, a number of times the second data is accessed being lower than the reference value.