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12048231 Rev. 00 (Draft)
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4.23. LVDS Display Backlight Connector
Reference Designator: J29
1.25mm Pitch Molex PicoBlade wire-to-board header, SMT, straight, 8 circuits
Description
Backlight power and control for LVDS display connected on J30 (DF20 Series) connector.
Interfaces used
LVDS Backlight control signals (Enable, PWM)
12V0 Power, max. current: 1.5 A
5V0 Power, max. current: 1.2 A
Connector drawing and contact-numbering scheme
Figure 32 Connector
– J29
Pinout
J29
Pin
Signal / Function
Pin Type
Signal Description
1
V_12V0_S0
Power
12V supply voltage for the backlight, max 1.5A
2
V_12V0_S0
Power
3
GND
GND
Connected to USB-ground potential of the PCB
4
GND
GND
5
LVDS_BKLT_EN
O (3.3V)
(optional 5V)
Backlight-Enable signal. Voltage-swing and
polarity of this signal is implementation-
dependent and designed as BOM-options
6
LVDS_BKLT_CTRL
O (3.3V)
(optional 5V)
PWM backlight-control signal. Voltage-swing
and polarity of this signal is implementation-
dependent and designed as BOM-options
7
V_5V0_S0
Power
5V supply voltage for the backlight, max 1.2A
8
V_5V0_S0
Power