A scheduling device according to one embodiment includes an access request accepting section and an access request selecting section. The access request accepting section is configured to accept access requests from requesters. The access request selecting section is configured to select a first access request as a reference for access request selection from among the accepted access requests, select an access request transferable in a bank interleave (BI) mode with respect to the first access request, and select an access request transferable in a continuous read/write (CN) mode in response to a determination that there is no access request transferable in the BI mode, or that the preceding access request was in the BI or the CN mode. The access request selecting section is configured to repeat the selections in response to a determination that there is no access request transferable in the BI mode and in the CN mode.