Integrated digital device and selecting method thereof

An integrated digital device operable in a plurality of modes each corresponding to one of a plurality of digital devices, comprising:

• a mode selector for selecting one of the modes which comprise at least a digital multimedia broadcasting (DMB) receiver mode for receiving a digital multimedia broadcast for mobile devices, the digital multimedia broadcast comprising at least one of TV, radio and datacasting;
• a display unit for displaying multimedia content and at least one function for the multimedia content, the function corresponding to the selected mode;
• a function selection button unit disposed adjacent to the at least one displayed function;
• and
• an antenna for receiving the digital multimedia broadcast if the selected mode is the digital multimedia broadcasting receiver mode;
• wherein, when one of the modes is selected by the mode selector, the display unit and the function receive input corresponding to the selected mode to configure the integrated digital device for use as the digital device corresponding to the selected mode.