Hitachi SH7760 Solution Engine2 Overview page 86

6.4.33 Touch Panel Calibration Method (2-point System)
The power supply controller supports 2-point touch panel calibration. Figure 6.11shows the points of the
drawing coordinates and A/D conversion coordinates that are necessary for calibration.
Origin of
T-Engine Board
drawing
Drawing coordinates: x
coordinates
axis
Point B
LCD
Point A
Origin of A/D
convertion
A/D conversion
coordinates: x axis
coordinates
SW1
SW2 SW3
Figure 6.11 Points of the Drawing Coordinates and A/D Conversion Coordinates
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