| 摘要 |
A memory bank comprises nonvolatile memory sections and two buffer sections to respectively store information of access unit of the nonvolatile memory sections. In response to the instruction of access operation, the memory bank performs data transfer between one buffer section of the memory bank and the nonvolatile memory section. In parallel to this data transfer, the memory bank also enables control of interleave operation to perform data transfer between the other buffer section of the relevant memory bank and the external side. Accordingly, high speed access can be realized by conducting in parallel the data transfer between the nonvolatile memory section and the buffer section and data transfer between the buffer section and the external side in the interleave operation. Moreover, high speed write and read access to the nonvolatile memory section can also be realized.
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