Samsung S3C2416 User Manual page 526

LCD CONTROLLER
2.4.3 25BPP display (A888)
(BSWP = 0, HWSWP = 0)
D[31:25]
000H Dummy Bit
004H Dummy Bit
008H Dummy Bit
...
P1 P2 P3 P4
NOTES:
1. AEN : Select Alpha value in Window 1 Alpha Value Register for alpha blending
AEN = 0 : ALPHA0_R/G/B values are applied.
AEN = 1 : ALPHA1_R/G/B values are applied.
Each pixel of LCD panel displays blended color with lower layer window.
Refer to the equation of alpha blending on page 21-22.
2. D[23:16] = Red data, D[15:8] = Green data, D[7:0] = Blue data
21-6
D[24]
AEN
AEN
AEN
......
P5
LCD Panel
D[23:0]
P1
P2
P3
S3C2416X RISC MICROPROCESSOR