INFORMATION PROCESSING APPARATUS AND FLASH MEMORY CONTROL METHOD
First Claim
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1. An information processing apparatus comprising:
- at least one flash memory comprising a data storage region that stores data and an erase count storage region that stores erase count data indicating the number of times that the data is erased in the data storage region; and
a control circuit that is connected between a processor and the at least one flash memory,wherein the control circuit allows changes of the data stored in the data storage region by the processor and suppresses changes of the erase count data stored in the erase count storage region by the processor.
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Abstract
An information processing apparatus according to the present invention includes: at least one flash memory including a data storage region that stores data and an erase count storage region that stores erase count data indicating the number of times that the data is erased in the data storage region; and a control circuit that is connected between a processor and the at least one flash memory. The control circuit allows changes of data stored in the data storage region by the processor and suppresses changes of the erase count data stored in the erase count storage region by the processor.
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12 Claims
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1. An information processing apparatus comprising:
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at least one flash memory comprising a data storage region that stores data and an erase count storage region that stores erase count data indicating the number of times that the data is erased in the data storage region; and a control circuit that is connected between a processor and the at least one flash memory, wherein the control circuit allows changes of the data stored in the data storage region by the processor and suppresses changes of the erase count data stored in the erase count storage region by the processor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A flash memory control method comprising:
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receiving from a processor a data change request for at least one flash memory, the flash memory comprising a data storage region that stores data and an erase count storage region that stores erase count data indicating the number of times that the data is erased in the data storage region, and changing the data when the data storage region is specified by the data change request as a target to be changed and not changing the erase count data when the erase count storage region is specified by the data change request as the target to be changed.
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Specification