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(3) 4-bpp (16-gray-level) mode
Use all entries of the green look-up table. All 16 gray levels can be assigned to the look-up table. The data in
entry 0 is output for pixel data "0x0", and the data in entry 15 is output for pixel data "0xF".
4-bit pixel data
Table 2.8 shows an example of the basic data setting.
Table 2.8 Example of Look-up-Table Settings in 4-bpp (16-Gray-Level) Mode
Index
S1C33L03 FUNCTION PART
Index
Green look-up table
0x0
0
4-bit grayscale data for pixel data 0x0
0x1
1
4-bit grayscale data for pixel data 0x1
0x2
2
4-bit grayscale data for pixel data 0x2
0x3
3
4-bit grayscale data for pixel data 0x3
:
:
0xE
14
4-bit grayscale data for pixel data 0xE
0xF
15
4-bit grayscale data for pixel data 0xF
Figure 2.11 Look-up Table in 4-bpp (16-Gray-Level) Mode
R look-up table
0
0
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
9
0
10
0
11
0
12
0
13
0
14
0
15
0
EPSON
VII LCD CONTROLLER BLOCK: LCD CONTROLLER
4-bit display data
:
G look-up table
B look-up table
0
0
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
9
0
0xA
0
0xB
0
0xC
0
0xD
0
0xE
0
0xF
0
A-1
B-VII
LCDC
B-VII-2-13
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