Samsung S3C2440A - Manual (Page 379)

S3C2440A RISC MICROPROCESSOR LCD CONTROLLER
15-11
16 BPP Color mode
16 bits (5 bits of red, 6 bits of green, 5 bits of blue) of video data correspond to 1 pixel. But, stn controller will use
only 12 bit color data. It means that only upper 4bit each color data will be used as pixel data ( R[15:12], G[10:7],
B[4:1]). The following table shows color data format in words:
RGB order
DATA [31:28] [27:21] [20:16] [15:11] [10:5] [4:0]
Word #1 Red( 1) Green(1) Blue( 1) Red( 2) Green( 2) Blue( 2)
Word #2 Red( 3) Green(3) Blue( 3) Red( 4) Green( 4) Blue( 4)
Word #3 Red( 5) Green(5) Blue( 5) Red( 6) Green( 6) Blue( 6)