Patent ID: 8751904
Filing Date: 2014-06-10
Classification: G06F,H03M

Abstract:
1. A controlling method utilized in a flash memory device, comprising: compressing a first data received from a host to generate a second data; generating a record data according to the first data and the second data, wherein the record data records at least error correct coding (ECC) control information; generating a third data by executing an ECC protection and data shaping of a randomizer upon the record data and at least a specific data selected from the first data and the second data according to the record data; and writing the third data into the flash memory device; wherein the record data records compressing indication information and the at least ECC control information; the compressing indication information records that the at least a specific data is a compressed data and a compression ratio; and, the at least ECC control information records a bit number of an ECC code utilized in the ECC protection.