Epson S1D13706 Technical Manual page 389

Epson Research and Development
Vancouver Design Center
S5U13706B00C Rev. 1.0 Evaluation Board User Manual
Issue Date: 01/02/23
JP4 - GPO Polarity on H1
JP4 selects the polarity of the GPO signal available on the LCD Connector H1.
Position 1-2 sends the GPO signal directly to H1 (default setting).
Position 2-3 inverts the GPO signal before sending it to H1.
Figure 3-5: Configuration Jumper (JP4) Location
JP5 - Contrast adjust for +ve LCD bias (VDDH)
JP5 selects the type of control used for contrast adjustment of the +ve LCD bias (VDDH).
Position 1-2 selects software control of the contrast adjustment.
Position 2-3 selects manual control of the contrast adjustment using potentiometer R24
(default setting).
Figure 3-6: Configuration Jumper (JP5) Location
JP4
Inverted
Normal
JP5
Manual
Software
Control
Control
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S1D13706
X31B-G-004-04