A portable terminal includes an apparatus for controlling an operation of a mobile terminal. The data transfer comprises concurrent transfer of a multiplicity of data units pursuant to respective data transfer commands. The sealing assembly has at least one deformable component that is changeable from an assembly state into a sealed state by compression thereof with the first and second connectors in the operative state. The first conductive paste is filled in the openings so as to cover the ground line exposed to bottoms of the openings. In an embodiment, the memory controller also provides or programs the value that represents the amount of time from when the output driver is in an operational state to when the output driver begins to output valid read data.