Samsung S3C6400X User Manual page 379

Table of Contents

Advertisement

S3C6400X RISC MICROPROCESSOR
Palette usage
Palette Configuration and Format Control
The display controller can support the 256 color palette for various selection of color mapping.
The user can select 256 colors from the 25-bit colors through these four formats.
256 color palette consist of the 256(depth) × 25-bit DPSRAM. Palette supports 8:8:8, 6:6:6, 5:6:5(R:G:B), and etc
format.
For example of A:5:5:5 format, write palette as specified in Table 14-2 and then connect VD pin to TFT LCD
panel( R(5)=VD[23:19], G(5)=VD[15:11], and B(5)=VD[7:3] ). The AEN bit controls the blending function enable or
disable. At the end, Set WPALCON (W1PAL, case window0) register to 0'b101.
INDE
2
X\Bit
4
Pos.
00H
A
E
N
01H
A
E
N
.......
... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...
FFH
A
E
N
Numb
-
er of
VD
Table 14-1. 25(A:8:8:8) Palette Data Format
2
2
2
2
1
1
1
1
3
2
1
0
9
8
7
6
R
R
R
R
R
R
R
R
7
6
5
4
3
2
1
0
R
R
R
R
R
R
R
R
7
6
5
4
3
2
1
0
R
R
R
R
R
R
R
R
7
6
5
4
3
2
1
0
2
2
2
2
1
1
1
1
3
2
1
0
9
8
7
6
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.
1
1
1
1
1
1
9 8 7 6 5 4 3 2 1 0
5
4
3
2
1
0
G
G
G
G
G
G
G
G
7
6
5
4
3
2
1
0
G
G
G
G
G
G
G
G
7
6
5
4
3
2
1
0
G
G
G
G
G
G
G
G
7
6
5
4
3
2
1
0
1
1
1
1
1
1
9 8 7 6 5 4 3 2 1 0
5
4
3
2
1
0
DISPLAY CONTROLLER
B
B
B
B
B
B
B
B
7
6
5
4
3
2
1
0
B
B
B
B
B
B
B
B
7
6
5
4
3
2
1
0
B
B
B
B
B
B
B
B
7
6
5
4
3
2
1
0
14-17

Advertisement

Table of Contents
loading

Table of Contents