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

摘要

PROBLEM TO BE SOLVED: To provide a touch panel controller with less EMI even in the case of a large-size touch panel.SOLUTION: A touch panel controller comprises a plurality of drive circuits DC1-DCm that output a drive signal Ds to respective drive lines DL1-DLm of a capacitive touch panel body 2 to drive the respective drive lines DL1-DLm. A rise/fall time of the drive signal Ds is variable.