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TSC2007 Rx-plate value

Vincent Hsieh
Expert 1895 points

Dear Sir,

About Rtouch formula, how to get the value for Rx-plate?

  • 0
    TI__Guru 52115 points

    In that formula, the Rx-plate stands for the sheet resistance of the x layer. In the Linux driver, Rx-plate is actually a constant for all touch panels, which is usually 300 or 400.  It doesn't has to be very precise since every resistive touch panel has slightly different sheet resistance. 

    Andy