| 摘要 |
PROBLEM TO BE SOLVED: To reduce the occurrence probability of a soft error in a cache memory. SOLUTION: A cache memory 30 is managed using a tag memory 40, and utilized by a write-through method. The cache controlling apparatus includes a supervising section 51A adapted to supervise accessing time to the cache memory 30, and a refreshing section 51B adapted to read data on one or more cache lines of the cache memory 30 from the main memory again in response to the result of the supervision by the supervising section 51A, and retain the read data into the cache memory. COPYRIGHT: (C)2011,JPO&INPIT
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