A processing system includes an interchip interface that comprises an interchip interface module having an arbiter to allocate a dedicated time slice in every fixed number of time slices, to assign a first priority to store data item from a first-type channel having a first datapath width in memory during the dedicated time slice. Methods for detecting the location of the mobile device are described. Other methods may further include transmitting a request to a user corresponding to whether to terminate one or more previous sessions, and transferring session data from a previously existing session to a current session. The outer peripheral surface is disposed in interfering relationship with the wall when the container is disposed in the housing. The source region is not located at an end portion of the trench in the longitudinal direction.