Samsung S3C2451X User Manual page 564

LCD CONTROLLER
Window0
(Background)
Window1
(Foreground)
Window0
(Green)
Window1
(Red)
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
22-24
Specifications and information herein are subject to change without notice.
Mask bit of COLVAL to
compare with Window color
DIRCON
Compare
Figure 22-6. Color Key Block Diagram
Window1
(Blue)
Figure 22-7. Color Key Operations
COMPKEY
COLVAL
Frame Buffer
R'G'B'
Selected
Window
Match with COLVAL :
Unmatched with CONVAL :
Window0
(Green)
COLVAL
(0Xff0000)
Key area: Match with COLVAL area
Non-Key area: Unmatched with COLVAL area
S3C2451X RISC MICROPROCESSOR
Unselected window
Selected window
Key
area
Non-Key
area
Window1
(Blue)