Display Interfaces; Lcd Rgb Backlight (Cn16) - ADLINK Technology LEC-BASE MINI Technical Reference

3.8

Display Interfaces

This section describes the LCD RGB and LVDS display interfaces that the carrier supports
through standard and non-standard headers and connectors. The DisplayPort and HDMI display
interfaces are standard connectors and are described in Table 2-1 of Chapter 2. Figure 3-2 illus-
trates the carrier's two standard and custom display configurations available under separate
model order numbers.
LCD R GB
Pins
M XM
Connector
LV DS A
Pins
LCD R GB
Pins
M XM
Connector
LV DS A
Pins
3.8.1

LCD RGB Backlight (CN16)

Table 3-7 lists the signals of the LCD RGB Backlight header, which provides 6 pins in a single
row with 2.50mm pitch.
Pin #
1 LCD_DE_33 (LCD data enable; connected over the 3.3 volt level shifter)
2 LCD_BKLT_PWM (LCD backlight PWM)
3 LCD_VDD_EN (LCD power enable)
4 Not Connected
5 GND (Ground)
6 +V3P3_LCD (Switched 3.3V power supply)
NOTE: Shaded table cells denote power or ground.
24
LEC-BASE MINI Standard
LCD R GB
LV DS A
LEC-BASE MINI Custom
M UX
(U80)
LV DS B
LV DS A
Figure 3-2: Display Configuration Block Diagram
Table 3-7: LCD RGB Backlight Signals (CN16)
X
X
X
H DM I
H DM I
R edriver
(U82)
DP
DP
R edriver
(U83)
Signal
LCD R GB
(CN 17)
H DM I
(CN 83)
DP
(CN 84)
LV DS A
(CN 25)
LCD R GB
(CN 17)
H DM I
(CN 83)
DP
(CN 84)
LV DS A/ B
(CN 25)
Interfaces