Epson S1D13504 ユーザーズマニュアル
Page 126
Epson Research and Development
Vancouver Design Center
S1D13504
Hardware Functional Specification
X19A-A-002-18
Issue Date: 01/01/30
4 Bit-Per-Pixel Color Mode
Figure 12-6: 4 Bit-Per-Pixel
–
16-Level Color Mode Look-Up Table Architecture
4-bit pixel data
4-bit Red data output
Red Look-Up Table
0
1
2
1
2
3
4
5
6
4
5
6
7
8
9
8
9
A
B
C
B
C
D
E
F
E
F
Entry
Select
Logic
0000
0001
0010
0011
0100
0101
0110
0111
1000
0001
0010
0011
0100
0101
0110
0111
1000
1010
1011
1011
1001
1100
1101
1110
1111
1101
1110
1111
4-bit Green data output
Green Look-Up Table
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
Entry
Select
Logic
0000
0001
0010
0011
0100
0101
0110
0111
1000
0001
0010
0011
0100
0101
0110
0111
1000
1010
1011
1011
1001
1100
1101
1110
1111
1101
1110
1111
4-bit Blue data output
Blue Look-Up Table
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
Entry
Select
Logic
0000
0001
0010
0011
0100
0101
0110
0111
1000
0001
0010
0011
0100
0101
0110
0111
1000
1010
1011
1011
1001
1100
1101
1110
1111
1101
1110
1111