HD66760 Datasheet, PDF (63/105 Pages) Hitachi Semiconductor – 104 X 80-dot Graphics LCD Controller/Driver for 256 Colors

HD66760
Grayscale Palette Table
The grayscale register that is set for each palette register (RK, GK, or BK) can be set to any level. 16-
grayscale lighting levels can be set according to palette values (0000 to 1111).
Table 33 Grayscale Control Level
Palette Register Value (RK, GK, or BK)
Grayscale Control Level
0
0
0
0
Unlit level*¹
0
0
0
1
2/16 level
0
0
1
0
3/16 level
0
0
1
1
4/16 level
0
1
0
0
5/16 level
0
1
0
1
6/16 level
0
1
1
0
7/16 level
0
1
1
1
8/16 level
1
0
0
0
9/16 level
1
0
0
1
10/16 level
1
0
1
0
11/16 level
1
0
1
1
12/16 level
1
1
0
0
13/16 level
1
1
0
1
14/16 level
1
1
1
0
15/16 level
1
1
1
1
All-lit level*²
Notes: 1. The unlit level corresponds to a black display when a normally-black color-LCD panel is used, and
a white display when a normally-white color-LCD panel is used.
2. The all-lit level corresponds to a white display when a normally-black color-LCD panel is used, and a
black display when a normally-white color-LCD panel is used.