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15) BL_SW (Back Light Switch)
The Back Light switch provides the function for screen back light adjustment.
Pin No.
Definition
1
BL_DOWN
2
BL_UP
1
16) FPD (Flat Panel Display Header)
The FPD is a high-speed interface connecting the output of a video controller in a laptop computer, computer
monitor or LCD television set to the display panel. Most laptops, LCD computer monitors and LCD TVs use
this interface internally. The header conforms to FPD specification.
Pin No.
Definition
1
BKLT_EN
2
BKLT_PWM
3
BKLT_PWR (FPD_PWR)
4
BKLT_PWR (FPD_PWR)
5
BKLT_GND/Brightness_GND
6
BKLT_GND/Brightness_GND
7
Brightness_Up
8
Brightness_Down
1
8
eDP
17) GPIO_PWRSEL (GPIO Power Selection Jumper)
Move the jumper cap from the LPT_SEL jumper to this jumper to configure the LPT_GPIO header to support
GPIO device and also to specify the GPIO voltage.
1-2 Close: Set GPIO voltage to +12V.
2-3 Close: Set GPIO voltage to 5V.
1
1
