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VII LCD CONTROLLER BLOCK: LCD CONTROLLER
B-VII-2-16 EPSON S1C33L03 FUNCTION PART
(3) 4-bpp (16-color) mode
Use all entries of each look-up table. Select 16-color data from among the 4,096 colors, and write it to the
respective entries. The RGB data in entry 0 is output for pixel data "0x0", and the RGB data in entry 15 is
output for pixel data "0xF".
4-bit R data for pixel data 0x0
4-bit R data for pixel data 0x1
4-bit R data for pixel data 0x2
4-bit R data for pixel data 0xF
4-bit R data for pixel data 0xE
4-bit R data for pixel data 0x3
4-bit pixel data
0x0
0x1
0x2
0x3
:
0xE
0xF
4-bit R display data
Red look-up tableIndex
0
1
2
3
14
15
:
:
4-bit G data for pixel data 0x0
4-bit G data for pixel data 0x1
4-bit G data for pixel data 0x2
4-bit G data for pixel data 0xF
4-bit G data for pixel data 0xE
4-bit G data for pixel data 0x3
4-bit G display data
Green look-up tableIndex
0
1
2
3
14
15
:
:
4-bit B data for pixel data 0x0
4-bit B data for pixel data 0x1
4-bit B data for pixel data 0x2
4-bit B data for pixel data 0xF
4-bit B data for pixel data 0xE
4-bit B data for pixel data 0x3
4-bit B display data
Blue look-up tableIndex
0
1
2
3
14
15
:
:
Figure 2.14 Look-up Table in 4-bpp (16-Color) Mode
Table 2.11 shows an example of the basic data setting.
Table 2.11 Example of Look-up-Table Settings in 4-bpp (16-Color) Mode (VGA 16-Color-Mode Compatible)
Index R look-up table G look-up table B look-up table
0000
1000xA
200xA0
300xA0xA
40xA0 0
50xA00xA
60xA0xA0
70xA0xA0xA
8000
9000xF
10 0 0xF 0
11 0 0xF 0xF
12 0xF 0 0
13 0xF 0 0xF
14 0xF 0xF 0
15 0xF 0xF 0xF