| 摘要 |
Upon receiving a data transfer command via an input/output buffer (23), a command analysis/control unit (24) transfers data in a memory cell array (21) to a second data register (25). An address conversion unit (26) converts a logical address input from a CPU (1) into the physical address of the second data register (25) to provide the converted address to said data register (25). Therefore, the CPU (1) can gain random access to the second data register (25). As a result, the CPU (1) can gain random access to the memory cell array (21). The processing speed of an apparatus incorporating the storage apparatus such as a cellular phone can be improved.
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