SED1374 Datasheet, PDF (112/420 Pages) Epson Company – SED1374 Embedded Memory Color LCD Controller

Page 16
Epson Research and Development
Vancouver Design Center
At 2-bpp, sixteen Look-Up Table addresses are used. The Look-Up Table is a now arranged
into four banks of four colors each. As with 1-bpp, the bank select bits determine the initial
offset into the Look-Up Table. Incrementing a bank select by one bumps the Look-Up
Table offset by four.
Bank
0
1
2
3
Table 4-1: 2 Bpp Banking Scheme
Red LUT
Addresses
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
Green LUT
Addresses
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
Blue LUT
Addresses
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
SED1374
X26A-G-002-02
Programming Notes and Examples
Issue Date: 99/04/27