Samsung S3C2451X User Manual page 545

S3C2451X RISC MICROPROCESSOR
OVERVIEW OF THE COLOR DATA
RGB Data format
The LCD controller requests the specified memory format of frame buffer. The next table shows some examples
of each display mode.
28BPP display (A4+888)
(BSWP = 0, HWSWP = 0, BLD_PIX = 1, ALPHA_SEL = 1)
D[31:28]
000H Dummy Bit
004H Dummy Bit
008H Dummy Bit
...
P1 P2 P3 P4
NOTE: D[23:16] = Red data, D[15:8] = Green data, D[7:0] = Blue data
In case of BLD_PIX and ALPHA_SEL are set,
D[27:24] = Alpha value, D[23:16] = Red data, D[15:8] = Green data, D[7:0] = Blue data
D[27:24]
Alpha value
Alpha value
Alpha value
......
P5
LCD Panel
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
D[23:0]
P1
P2
P3
LCD CONTROLLER
22-5