| 摘要 |
PROBLEM TO BE SOLVED: To obtain a data recording device that shortens processing time required for writing when parallel writing is carried out in a plurality of NAND flash memories and that prevents missing of data.SOLUTION: A data recording device comprises: a writing function part configured to write data in parallel on a plurality of recording mediums connected on the same bus; an empty block management part configured to register, in an empty block management table, whether a plurality of blocks into which the plurality of recording mediums are divided are empty blocks in which data can be written; and an empty block management part for parallel writings, configured such that empty blocks, informed from the empty block management part, for the number of parallel writings are registered as one group in the empty block management table, empty blocks for the number of parallel writings are acquired from the empty block management table for parallel writings according to a request from the writing function part, and information about the empty blocks is provided. |
