A solid-state image pickup device 1 includes a light receiving section 10, a first row selecting section 20, a second row selecting section 30, a first readout section 40, a second readout section 50, and a control section 60. Data of pixel units of rows in the light receiving section 10 selected by the first row selecting section 20 are output by the first readout section 40 to obtain image pickup data, and further, data of the pixel units of rows in the light receiving section 10 selected by the second row selecting section 30 are output by the second readout section 50 to obtain communication data.