PURPOSE: To prevent the processing speed of the data driving type information processor from being lowered.

CONSTITUTION: This data driving type information processor is provided with a program storage part 20 to store an area setting instruction C1 for simultaneously designating plural continuous address areas from a data flow program based on destination information to be inputted and a data write instruction C2, address registers 601 and 602 for setting a start address and an end address in response to the area setting instruction C1 from the program storage part 20, and data memory interface part 60 to store inputted data and to reload memory data from the start address to the end address with arbitrary values in response to the data write instruction C2 from the program storage part 20.