Samsung S3C2416 User Manual page 535

S3C2416X RISC MICROPROCESSOR
2.4.12 8BPP display (Palette)
(BSWP = 0, HWSWP = 0)
D[31:24]
000H P1
004H P5
008H P9
...
(BSWP = 1, HWSWP = 0)
D[31:24]
000H P4
004H P8
008H P12
...
P1 P2 P3 P4
NOTE: The values of frame buffer are index of palette memory.
The MSB value of Palette memory is AEN bit.
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.
D[23:16]
P2
P6
P10
D[23:16]
P3
P7
P11
P5 P6 P7 P8 P9
LCD Panel
D[15:8] D[7:0]
P3 P4
P7 P8
P11 P12
D[15:8] D[7:0]
P2 P1
P6 P5
P10 P9
......
P10 P11 P12
LCD CONTROLLER
21-15