An information processing device is to be connected with an external memory. The multilayer capacitor has a first capacitor portion including first and second inner electrodes, and a second capacitor portion including third and fourth inner electrodes and exhibiting a capacitance different from that of the first capacitor portion. If the user application configuration fails, the system saves data regarding the failure and then returns to the default configuration for recovery. The number of pull-up elements that are enabled and the number of pull-down elements that are enabled is set by calibration.