Samsung S3C6400X User Manual page 368

DISPLAY CONTROLLER
Overview of the Color Data
RGB Data format
The display controller requests the specified memory format of frame buffer. The next table shows some
examples of each display mode.
25BPP display (A888)
(BSWP = 0, HWSWP = 0)
D[31:25]
000H Dummy Bit
004H Dummy Bit
008H Dummy Bit
...
P1 P2 P3 P4 P5
Note:
1. AEN : Transparency value selection bit
AEN = 0 : Select ALPHA0
AEN = 1 : Select ALPHA1
If per-pixel blending is set, then this pixel would be blended with alpha value selected by AEN. Alpha value
is selected by SFR value as ALPHA0_R, ALPHA0_G, ALPHA0_B, ALPHA1_R, ALPHA1_G, ALPHA1_B. For
more information refer to description of SFR.
2. D[23:16] = Red data, D[15:8] = Green data, D[7:0] = Blue data
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
14-6
Specifications and information herein are subject to change without notice.
D[24]
AEN
AEN
AEN
......
LCD Panel
D[23:0]
P1
P2
P3
S3C6400X RISC MICROPROCESSOR