Data processing system, controller, and method thereof for searching for specific memory area

摘要

A data processing system, a controller, and a method for searching for a specific logical block are provided. Logical blocks are searched out from a peripheral unit, where data of the searched logical blocks are not yet stored in a cache memory of a master control unit. During searching for the logical blocks, a plurality of read commands are executed. The read commands are set to read data of a plurality of separated logical blocks of the peripheral unit respectively.