| 摘要 |
A calibration processing unit executes a calibration when calibration operative conditions are satisfied. Irrespective of satisfaction of the calibration operative conditions during the processing of sequential data, a calibration invalidation unit temporarily invalidates the execution of the calibration and permits the execution thereof after termination of the sequential data processing. Upon the occurrence of an error, an error recovery unit makes a recovery for canceling the error and then a retry, allowing the execution of the calibration when the error recovery is normally terminated. If the sequential data processing is in process at that time, then the execution of the calibration is temporarily invalidated.
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