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A display circuit for driving two or more different displays includes a display memory for storing display data, an address signal generation circuit for generating address signals for the display memory, basic timing generation circuit for generating basic timing signals, an address control circuit for controlling a determination of the address of the display memory along the horizontal- and vertical-direction of the displays, and a switching circuit for switching the horizontal- and vertical-direction timing signals depending upon which one of the two or more display is selected, whereby the two or more displays are independently operated.