MEMORY CONTROLLER, DATA STORAGE DEVICE, AND DATA WRITING METHOD

摘要

PROBLEM TO BE SOLVED: To efficiently transfer write data and parity data.SOLUTION: A memory controller comprises: queuing parts which queue a plurality of commands to a bank #1 and have flags respectively corresponding to the plurality of commands; a bank controller 11 which sequentially executes the plurality of commands; a data controller 12 which transfers write data to the bank #1 when a prescribed command to be executed among the plurality of commands is a write command to one of a plurality of physical addresses in the bank #1; and a parity controller 13 which generates parity data for restoring the write data, according to a value of a flag corresponding to the prescribed command, until the prescribed command is completed.SELECTED DRAWING: Figure 1