Copyright
©
2016
congatec
AG
ICSLm13.indd
63/95
Feature
Options
Description
Backlight Setting
0%
10%
25%
40%
50%
60%
75%
90%
100%
Select the backlight value in percentage of the maximum setting.
Force Backlight Enable
No
Yes
Set to ‘Yes’, if the operating system driver does not activate the backlight signal.
Inhibit Backlight
No
Permanent
Until End Of POST
Select whether the backlight enable signal should be activated when the panel is activated.
Note:
The signal should be permanently activated or remain inhibited until the end of BIOS
POST.
Backlight Delay
No delay
100ms Delay
250ms Delay
500ms Delay
1s Delay
Select delay to adjust LVDS panel timings.
Note:
The congatec board controller will add the delay to the backlight signal coming from
the SoC according this setup node. This feature may help to avoid panel flickering.
Invert Backlight Setting
No
Yes
Set ‘Yes’ to invert backlight control values.
Note:
This feature may be required for the actual I2C type backlight hardware controller.
LVDS SSC
Disabled
0.5%
1.0%
1.5%
2.0%
2.5%
Select LVDS spread spectrum clock modulation depth.
Note:
Performs center spreading and DDI1 fixed modulation frequency of
32.9kHz.
Digital Display Interface 1 (DDI1)
Auto Selection
Disabled
DisplayPort
HDMI/DVI
Select the output type of the DDI.
Digital Display Interface 2 (DDI2)
Auto Selection
Disabled
DisplayPort
HDMI/DVI
Select the output type of the DDI.
Digital Display Interface 3 (DDI3)
Auto Selection
Disabled
DisplayPort
HDMI/DVI
Select the output type of DDI3.
Note:
If ‘VGA Port’ is enabled, ‘Auto Selection’ and
‘
DisplayPort’ are not supported.
VGA Port
Disabled
Enabled
Enable or disable VGA port.
Note:
If enabled, the Auto Selection and DisplayPort is not supported on DDI3.
