To easily perform testing and suppress an increase in cost and an increase in a chip area.

A display driving circuit includes: a plurality of driver circuits 6-1 to 6-z; a display control logic circuit 15 that controls the plurality of driver circuits 6-1 to 6-z; and a first selector 13 that selects one of a video input signal externally received and an internal operation signal from the display control logic circuit 15, and supplies the selected signal to each of the plurality of driver circuits 6-1 to 6-z.