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2018
congatec
AG
TEVA2m11
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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 25 X40 - LVDS Power Pinout Description
Pin Signal
Pin Signal
1
VDD_LCD (2.0 A fuse)
2
VDD_BKLT (1.5 A fuse)
3
+5V (2.0 A fuse)
4
+12V (1.5 A fuse)
5
LCD_VDD_EN
6
LCD_BKLT_EN
7
N.C
8
LCD_BKLT_PWM
9
GND
10
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-TEVAL/COMe 3.0 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 26 JP3 - Flat Panel Voltage Selection
Pin
Configuration
1-2
5 V panel power (default)
2-3
3.3 V panel power
Table 27 JP4 - Backlight Voltage Selection
Pin
Configuration
1-2
12 V backlight Power (default)
2-3
5 V backlight Power
X40
10
8
9
7
6
5
4
3
2
1
2
3
1
JP3
2
3
1
JP4
