Lvds Panel And Backlight Power Supply; Flat Panel And Backlight Voltage Selection; Table 24 X40 - Lvds Power Pinout Description; Table 25 Jp3 - Flat Panel Voltage Selection - Congatec conga-TEVAL3/COMe 3.1 User Manual

4.7.3.3

LVDS Panel and Backlight Power Supply

The power supply for LVDS panels and backlight inverter is available on connector X40.
Table 24 X40 - LVDS Power Pinout Description
Pin Signal
1 VDD_LCD
3 +5V (2.0 A fuse)
5 LCD_VDD_EN
7 N.C.
9 GND
Connector Type
X40: 2.54 mm, 2 x 5-pin female connector
4.7.3.4

Flat Panel and Backlight Voltage Selection

The conga-TEVAL3/COMe 3.1 supports different voltages for the panel and backlight. Follow the descriptions in the tables below to set the
panel and backlight voltages, and the polarity of the backlight enable signal.
Table 25 JP3 - Flat Panel Voltage Selection
Pin Configuration
1-2 5 V panel power (default)
2-3 3.3 V panel power
Table 26 JP4 - Backlight Voltage Selection
Pin Configuration
1-2 12 V backlight power (default)
2-3 5 V backlight power
Connector Type
JP3, JP4: 2.54 mm grid jumper
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Pin Signal
2 VDD_BKLT
4 +12V (1.5 A fuse)
6 LCD_BKLT_EN
8 LCD_BKLT_PWM
10 GND
TEVA31_m001
X40
2 4 6 8 10
1 3 5 7 9
JP3
1 2 3
JP4
1 2 3
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