Patent ID: 8604902

Claim:
A communication system, comprising: a first information processing device that includes a processing command transmission portion that transmits to a second information processing device, by a non-contact communication, a specified processing command that includes a specified one of a plurality of identification information items; and the second information processing device, which includes a plurality of processor chips that are each uniquely associated with a specified one of the plurality of the identification information items, a storage portion that stores a correspondence information item that indicates a correspondence relationship between a specified one of the plurality of the identification information items and one of the processor chips, the correspondence information item stored in the storage portion according to a storage command issued by one of the processor chips, the one of the processor chips that issued the storage command including a secure memory to store a specific information item, and a processing portion selection portion that selects one of the processor chips to execute the processing command that is received from the first information processing device, based on the correspondence information item that is stored in the storage portion and on the specified one of the plurality of the identification information items that is included in the processing command.