User's Manual

Table Of Contents
S3C2450X RISC MICROPROCESSOR LCD CONTROLLER
22-17
2.4.14 2BPP display (Palette)
(BSWP = 0, HWSWP = 0)
[31:30] [29:28] [27:26] [25:24] [23:22] [21:20] [19:18] [17:16]
002H P1 P2 P3 P4 P5 P6 P7 P8
006H P17 P18 P19 P20 P21 P22 P23 P24
00AH P33 P34 P35 P36 P37 P38 P39 P40
[15:14] [13:12] [11:10] [9:8] [7:6] [5:4] [3:2] [1:0]
000H P9 P10 P11 P12 P13 P14 P15 P16
004H P25 P26 P27 P28 P29 P30 P31 P32
008H P41 P42 P43 P44 P45 P46 P47 P48
...
2.4.15 1BPP display (Palette)
(BSWP = 0, HWSWP = 0)
[31] [30] [29] [28] [27] [26] [25] [24] [23] [22] [21] [20] [19] [18] [17] [16]
002H P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16
006H P33 P34 P35 P36 P37 P38 P39 P40 P41 P42 P43 P44 P45 P46 P47 P48
[15] [14] [13] [12] [11] [10] [9] [8] [7] [6] [5] [4] [3] [2] [1] [0]
000H P17 P18 P19 P20 P21 P22 P23 P24 P25 P26 P27 P28 P29 P30 P31 P32
004H P49 P50 P51 P52 P53 P54 P55 P56 P57 P58 P59 P60 P61 P62 P63 P64
NOTE: The values of frame buffer are index of palette memory.
The MSB value of Palette memory is AEN bit.
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.