An information processing system includes a master module for outputting a transfer state signal in correspondence to a data read instruction when the data read instruction is successively output plural times, the transfer state signal indicating that at least one data read instruction succeeds some one of the data read instructions; and a memory controller for, when receiving the some one of the data read instructions and the corresponding transfer state signal from the master module, supplying data corresponding to the some one of the data read instructions to the master module, while reading data corresponding to the at least one data read instruction, which succeeds the some one of the data read instructions, from a memory and holding the read data in accordance with the received transfer state signal.