MB87P2020 Datasheet, PDF (159/356 Pages) Fujitsu Component Limited. – Colour LCD/CRT/TV Controller

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Table 2-2: Mapping from intermediate to physical color space.
intermediate
color space
1bpp
RGB111
physical color space
bits per code
4bpp
pixel
RGB333 RGB444 RGB666 RGB888
1bpp
direct
n/a
1
0
RGB111 n/a
direct
n/a
3
9
4bpp
modulated direct
n/a
4
2
RGB222 n/a
modulated n/a
6
10
RGB333 n/a
direct /
n/a
gamma^a
9
11
RGB444 n/a
RGB666 n/a
RGB888 n/a
direct /
n/a
gamma^a
12
12
direct /
n/a
gamma^a
18
13
direct /
24
6
gamma^a
bits per pixel
1
3
4
6
12
18
24
code
0
9
2
11
12
13
6
a. Selectable for intermediate color space stemming from one of the YUV logical color spaces, or if RGB gamma forcing is applied.