Functional Description
Table 13-10. Color/Grayscale Intensities and Modulation Rates
Dither Value
Intensity
Modulation Rate
(4-Bit Value from Palette)
(0% is White)
(Ratio of ON to ON+OFF Pixels)
0000
0.0%
0
0001
14.3%
1/7
0010
20.0%
1/5
0011
25%
1/4
0100
33.3%
3/9
0101
40.0%
2/5
0110
44.4%
4/9
0111
50.0%
1/2
1000
55.6%
5/9
1001
60.0%
3/5
1010
66.6%
6/9
1011
75%
3/4
1100
80.0%
4/5
1101
85.7%
6/7
1110
93.3%
14/15
1111
100.0%
1
13.3.5.4.3 Summary of Color Depth
Table 13-11. Number of Colors/Shades of Gray Available on Screen
Passive Mode (LCDTFT = 0)
Active Mode (LCDTFT = 1)
Number of
BPP
Monochrome (LCDBW = 1)
Color (LCDBW = 0)
Color Only (LCDBW = 0)
1
2 palette entries to select within
2 palette entries to select within
2 palette entries to select within
15 grayscales
3375 possible colors
4096 possible colors
2
4 palette entries to select within
4 palette entries to select within
4 palette entries to select within
15 grayscales
3375 possible colors
4096 possible colors
4
16 palette entries to select within
16 palette entries to select within
16 palette entries to select within
15 grayscales
3375 possible colors
4096 possible colors
8
Not relevant since it would consist in
256 palette entries to select
256 palette entries to select within
256 palette entries to select within
3375 possible colors
4096 possible colors
15 grayscales, but exists anyway
12
x
3375 possible colors
4096 possible colors
16
x
3375 possible colors (STN_565 = 1)
Up to 65536 possible colors
24
X
X
Up to 16.7 million colors
1115
SPRUH73H – October 2011 – Revised April 2013
LCD Controller
Copyright © 2011–2013, Texas Instruments Incorporated