Lvds Voltage Select (Cn26); Lvds Backlight (Cn27); Can 0-1 (Controller Area Network - Cn28) - ADLINK Technology LEC-BASE MINI Technical Reference

3.8.4

LVDS Voltage Select (CN26)

Table 3-10 lists the pin signals of the LVDS Voltage Select jumper header, which provides 6 pins
in two rows with odd/even pin sequence (1,2) and 2.00mm pitch.
Pin # Signal
1 +V3P3S
3 GND
5 +V5P0A
NOTE: Shaded table cells denote power or ground.
3.8.5

LVDS Backlight (CN27)

Table 3-11 lists the pin signals of the LVDS Backlight header, which provides 8 pins in two rows
with odd/even pin sequence (1,2) and 2.54mm pitch.
Pin #
1 GND
2 +VCC_LVDS [CN26 jumper settings: (1-3) for 3.3V [default], (3-5) for 5V]
3 LCD_BKLT_PWM
4 GND
5 LCD_BKLT_EN
6 GND
7 Not Connected
8 +VCC_BKLT [CN26 jumper settings: (2-4) for 12V [default], (4-6) for 5V]
NOTE: Shaded table cells denote power or ground.
3.9

CAN 0-1 (Controller Area Network - CN28)

Table 3-12 and Table 3-13 list the pin signals of the Controller Area Network interface (CAN0
and CAN1), which provides standard dual DB9 connectors.
Pin #
1 Not Connected
2 CAN0_H
3 Not Connected
4 Not Connected
5 GND_CAN
6 Not Connected
7 CAN0_L
8 Not Connected
9 5 Volt
NOTE: These pins are connected over the CAN transceiver to the CAN0 SMARC connector
interface (pins P143 and P144.) Shaded table cell denotes power.
Interfaces
Table 3-10: LVDS Voltage Select Signals (CN26)
Pin # Signal
2 +V12P0_ATX
4 BKLT_VCC_SEL
6 +V5P0A
Table 3-11: LVDS Backlight (CN27)
Table 3-12: CAN0 Signals (CN28)
Description
• Pins 1, 3, 5 for selecting
LVDS voltage (See
Table 3-9 on page 26, pins
3, 4, and 17)
• Pins 2, 4, 6 for selecting
LVDS backlight voltage
(See Table 3-11, pins 2 and
8)
Signal
Signal
LEC-BASE MINI
27