| 摘要 |
A data transfer controlling device is mounted in an IC card having: a communication device for data communication with an external device; a memory device for storing data received from and transmitted to the external device; and an operation processing device for controlling the memory device and the communication device, and controls a data transfer process. The controlling device comprises: a status information acquiring section for acquiring status information including at least error detection information from the communication device; a determination section for determining whether or not the data transfer process can be executed based on the status information acquired by the status information acquiring section when the data transfer process is being executed; and a data transfer process executing section for executing the data transfer process in accordance with a result of determination as to whether or not the data transfer process can be executed by the determination section.
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