| 主权项 |
1. An information processing device comprising:
a host device, a semiconductor memory device with a nonvolatile semiconductor memory, and a communication path connecting the host device and the semiconductor memory device together, wherein the host device comprises: a first storage section; and a first control section to which the first storage section and the communication path are connected and which controls the first storage section, the communication path comprises: a plurality of ports to each of which a priority is assigned, the semiconductor memory device comprises: a second control section connected to the communication path to transmit, to the first control section, a first command containing a first flag which indicates a priority of the port of an operation of transmitting or receiving data to or from the first storage section, and upon receiving the first command, the first control section carries out data transmission or reception between the first storage section and the second control section via the port assigned a priority corresponding to the priority indicated by the first flag based on the first flag contained in the first command. |
