SED1374 Datasheet, PDF (113/420 Pages) Epson Company – SED1374 Embedded Memory Color LCD Controller

Epson Research and Development
Vancouver Design Center
Page 17
At 4-bpp the pixel data is a direct index to the color to be displayed. At this color depth the
Look-Up Table Bank Select bits have no effect on the display colors. For instance: If the
data was 7Bh then the first pixel color would be from the RGB values of the 8th Look-Up
Table address. The second pixel would be the colored by the RGB value at the 12th (0Bh)
Look-Up Table address.
Table 4-2: 4 Bpp Banking Scheme
Red LUT
Addresses
0
1
2
3
4
5
6
7
8
9
Green LUT
Addresses
0
1
2
3
4
5
6
7
8
9
Blue LUT
Addresses
0
1
2
3
4
5
6
7
8
9
A
A
A
B
B
B
C
C
C
D
D
D
E
E
E
F
F
F
Programming Notes and Examples
Issue Date: 99/04/27
SED1374
X26A-G-002-02