User's Manual

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4.6 LCD circuit
The board can drive LCD displays, including LVDS interface,EDP interface, backlight circuitry, and
touch circuitry.
4.6.1 LVDS Circuits
The board is equipped with an LVDS interface, with 5 differential signals, connected to the J23
interface output after connecting to the J23 interface output in series, and each set of signal wires
is wrapped up and processed for equal length.
Figur
e 17 LVDS interface circuit
4.6.2 LCD backlight circuit
LCD supply voltage 12V,controlled output by MOS, control IO to BL_EN.
Figure 18 LVDS power and enable interface circuit