Information data transmitting and receiving device and transmitting and receiving method of information data

摘要

An information data transmitting and receiving device is provided, which can reduce a load of a host CPU. In this information data transmitting and receiving device, in a case where an identifier of received information data is coincident with a predetermined identifier, the received information data is stored in a first receiving buffer. In a case where those identifiers are different from each other, the received information data is stored in a second receiving buffer.