SED1374 Datasheet, PDF (84/420 Pages) Epson Company – SED1374 Embedded Memory Color LCD Controller

Page 76
Epson Research and Development
Vancouver Design Center
4-Level Color Mode
2-bit pixel data
Red Bank Select
REG[16h] bits [5:4]
Green Bank Select
REG[16h] bits [3:2]
Blue Bank Select
REG[16h] bits [1:0]
Red Look-Up Table
Bank 0
0
1
2
3
Bank 1
0
1
2
3
Bank 2
0
1
2
3
Bank 3
0
1
2
3
4 Color Data Format:
76543210
A0 B0 A1 B1 A2 B2 A3 B3
See Section 10
Bank
Select
Logic
4-bit ‘Red’ display data output
Green Look-Up Table
Bank 0
0
1
2
3
Bank 1
0
1
2
3
Bank 2
0
1
2
3
Bank 3
0
1
2
3
Bank
Select
Logic
4-bit ‘Green’ display data output
Blue Look-Up Table
Bank 0
0
1
2
3
Bank 1
0
1
2
3
Bank 2
0
1
2
3
Bank 3
0
1
2
3
Bank
Select
Logic
4-bit ‘Blue’ display data output
Figure 11-6: 4-Level Color Mode Look-Up Table Architecture
SED1374
X26A-A-001-02
Hardware Functional Specification
Issue Date: 99/04/29