Memory controller, flash memory system with memory controller, and method of controlling flash memory

摘要

The memory controller comprises a data holding unit which is composed of plural unit areas each for holding data corresponding to one logical page among logical pages each composed of plural logical sectors each assigned a logical address provided from a host system. The memory controller writes data held in a unit area which holds large amounts of write data, to the flash memories, in preference to data held in a unit area which holds small amounts of write data.