TOUCH PANEL CONTROLLER, TOUCH PANEL DEVICE, AND ELECTRONIC INFORMATION DEVICE

摘要

Provided is a touch panel controller that reduces EMI even with a large-size touch panel. The touch panel controller according to the present invention includes a plurality of drive circuits (DC1 to DCm) for outputting drive signals (Ds) to the drive lines (DL1 to DLm) of a capacitive touch panel (2) to drive the drive lines (DL1 to DLm). The rising or falling time of the drive signals (Ds) can be changed.