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PRELIMINARY
S3C6400X RISC MICROPROCESSOR
DISPLAY
CONTROLLER
14-23
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
COLOR-KEY FUNCTION
The display controller supports color-key function for the various effect of image mapping. Color image of OSD
layer, which is specified by COLOR-KEY register, will be substituted by back-ground image for special
functionality. It will be substituted as cursor image or pre-view image of the camera.
Figure 14-5. Color-key function configurations
Color Key Enable
Blended (Alpha = 0)
OSD Image 180x100
Back - Ground 320x240
Window3
Window1
Blended (Alpha = f)
Blended (Alpha = 9)
Window3
Window1
Window1
Window3
Window1
Window1
Window3