Panel Power And Backlight Jumpers; Panel And Backlight Power Supply; Table 26 X33 - Lvds Panel Power; Table 27 X34 - Backlight Voltage Selection - Congatec COM Express conga-MEVAL Manual

5.6.3.1

Panel Power and Backlight Jumpers

The conga-MEVAL supports different voltages for LVDS panel and backlight. Use jumper X33 to select the LVDS panel power and jumper X34
to select the LVDS backlight power.
Table 26 X33 - LVDS Panel Power
Pin Configuration
1-2 5 V panel power
2-3 3.3 V panel power (default)
Table 27 X34 - Backlight Voltage Selection
Pin Configuration
1-2 12 V backlight Power (default)
2-3 5 V backlight Power
Connector Type
X33, X34: 2.54 mm grid jumper
5.6.3.2

Panel and Backlight Power Supply

The power supply for LVDS panel and backlight inverter is available on connector X35.
Table 28 X35 - LVDS Power Pinout Description
Pin Signal
1 VDD_LCD (1.5 A fuse)
3 +5 V (1.5 A fuse)
5 LVDS_VDD_EN (3.3 V output)
7 LVDS_BKLT_VREF (DAC 5 V analog output)
9 GND
Connector Type
X35: 2.54 mm, 2 x 5-pin female connector
Copyright © 2022 congatec GmbH
Pin Signal
2 VDD_BKLT (1.5 A fuse)
4 +12 V (1.5 A fuse)
6 LVDS_BKLT_EN (3.3 V output)
8 LVDS_BKLT_CTRL (3.3 V output)
10 GND
CET0m10
X33
1 2 3
X34
1 2 3
X35
2 4 6 8 10
1 3 5 7 9
33/58