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SINGLE-CHIP TOUCH CONTROLLER WITH INTEGRATED DRIVE SYSTEM

  • US 20090009483A1
  • Filed: 09/10/2008
  • Published: 01/08/2009
  • Est. Priority Date: 06/13/2007
  • Status: Abandoned Application
First Claim
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1. A touch controller for controlling a touch sensor panel, comprising:

  • a plurality of sense channels that receive sensor signals from the touch sensor panel;

    a drive system that generates a plurality of stimulation signals based on a supply voltage on the order of digital logic level supply voltages, the stimulation signals for simultaneously stimulating multiple drive lines of the touch sensor panel; and

    a channel controller that controls the sense channels and the drive system;

    wherein the plurality of sense channels, the drive system, and the channel controller are formed on a single chip.

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