Overview Of The Color Data - Samsung S3C2416 User Manual

S3C2416X RISC MICROPROCESSOR

2.4 OVERVIEW OF THE COLOR DATA

2.4.1 RGB Data format
The LCD controller requests the specified memory format of frame buffer. The next table shows some examples
of each display mode.
2.4.2 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
D[23:0]
P1
P2
P3
LCD CONTROLLER
21-5