| 摘要 |
PURPOSE:To correct a soft error by reloading and to improve usability by providing the titled device with a deciding part for deciding whether data whose error is detected are unupdated data which are not updated in a memory or not and a reloading processing part for reloading the data decided as an unupdated data to a memory. CONSTITUTION:A processor 1 reserves the current state of an internal register at the time of receiving a bus error information signal and an error processing means 3 executes interruption processing to retrieve the cause of the interruption and recognizes the bus error. An error generating address is read out from the reserved data, the number of times generating errors is checked by referring a recording part 15, and when the generating frequency is the prescribed number of times or above, whether the data are unupdated data or not is decided by referring an updating bit 12a in a page frame table 12, and in case of an unupdated page, a reloading processing part 17 reloads a corresponding page from an external file 7 to a corresponding page frame in a data memory 2 by referring a page table 11 and an external page table 10.
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