VXIS VX1828B, Datasheet, Page: 49 / 64

VX1828B
Preliminary Datasheet Video Processor for Middle Size LCD Panel
P.49/P.64
V1.0 050420
6.2.12 EZ-GAMMA PROGRAMMING REGISTERS
Bit Map Addr.
(Hex)
Name
Def.
(Hex)
7 6 5 4 3 2 1 0
7A GM00 18
GAMMA_
EN
- - CLUTABLE_PGR
7B-9B GM01-GM21 CLUTABLE00 - CLUTABLE32
GAMMA_EN EZ-Gamma enable (df. = OFF)
CLUTABLE_PGR EZ-Gamma programming selection. Default is 18h. For detail see
Table 6.2.12.1.
Table 6.2.12.1
CLUTABLE_PGR Value Function CLUTABLE_PGR Value Function
00h-0Fh
Using user-programming
table 7Bh – 9Bh
18h (default) Gamma = 1.4
10h Gamma = 0.75 19h Gamma = 1.5
11h Gamma = 0.8 1Ah Gamma = 1.6
12h
Gamma = 0.85
1Bh
Gamma = 1.7
13h Gamma = 0.9 1Ch Gamma = 1.9
14h Gamma = 1.0 1Dh LCD Panel 1
15h Gamma = 1.1 1Eh LCD Panel 2
16h Gamma = 1.2 1Fh LCD Panel 3
17h Gamma = 1.3