| 摘要 |
PROBLEM TO BE SOLVED: To provide a signal processing device, IC card, signal processing method, and signal processing program that can detect an abnormality without deteriorating accuracy even when a self-diagnosis processing time increases.SOLUTION: An IC chip 1a, which executes self-diagnosis processing within an allowable time from the reception of a reset signal from an external terminal 2 so as to respond to the signal, specifies at least one piece of data from among a plurality of mutually different data pieces used for the self-diagnosis processing and executes the self-diagnosis processing using the specified data.SELECTED DRAWING: Figure 2 |
