SED1354 Datasheet, PDF (134/472 Pages) Epson Company – Color Graphics LCD/CRT Controller

Page 126
4 Bit-Per-Pixel Color Mode
4-bit pixel data
Epson Research and Development
Vancouver Design Center
Red Look-Up Table
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Entry
Select
Logic
4-bit Red data output
Green Look-Up Table
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Entry
Select
Logic
4-bit Green data output
Blue Look-Up Table
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Entry
Select
Logic
4-bit Blue data output
SED1354
X19A-A-002-16
Figure 12-6: 4 Bit-Per-Pixel – 16-Level Color Mode Look-Up Table Architecture
Hardware Functional Specification
Issue Date: 99/05/18