Samsung S3C2451X User Manual page 554

LCD CONTROLLER
8BPP display (A232)
(BSWP = 0, HWSWP = 0)
D[31]
000H AEN1
004H AEN5
008H AEN9
...
(BSWP = 1, HWSWP = 0)
D[31]
000H AEN4
004H AEN8
008H AEN12
...
P1 P2 P3 P4
NOTE:
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 22-22.
2. D[6:5] = Red data, D[4:2] = Green data, D[1:0] = Blue data
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
22-14
Specifications and information herein are subject to change without notice.
D[30:24] D[23]
P1 AEN2
P5 AEN6
P9 AEN10
D[30:24] D[23]
P4 AEN3
P8 AEN7
P12 AEN11
P5 P6 P7 P8 P9
LCD Panel
D[22:16] D[15]
P2 AEN3
P6 AEN7
P10 AEN11
D[22:16] D[15]
P3 AEN2
P7 AEN6
P11 AEN10
......
P10 P11 P12
S3C2451X RISC MICROPROCESSOR
D[14:8] D[7]
P3 AEN4
P7 AEN8
P11 AEN12
D[14:8] D[7]
P2 AEN1
P6 AEN5
P10 AEN9
D[6:0]
P4
P8
P12
D[6:0]
P1
P5
P9