An FIFO data transfer control device includes an instruction analyzing portion for analyzing an instruction for data transfer to an FIFO storage device including a plurality of banks, and calculating an amount of data to be transferred; a data count portion for calculating, from the data amount calculated by the instruction analyzing portion, an amount of the data written in the bank being in an outputting state, and issuing a determination flag indicating whether the free space of the bank being in the outputting state satisfies predetermined conditions or not; and a full check portion for inhibiting processing of a next instruction until the determination flag sent from the data count portion or the full flag issued from the FIFO storage device is reset.