| 摘要 |
<p>A cache memory (50) built in a processor (10) comprising a plurality of independent memory blocks (53b), pass/fail information memory unit (56a) memorizing a presence/absence of a failure occurring in each of the memory blocks (53b), and a screening control function (54) substituting a sound memory block for a failedmemory block based on a memory content in the pass/fail information memory unit (56a).
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