MB86294 Datasheet, PDF (51/305 Pages) Fujitsu Component Limited. – Grraphiics Controller specifications

FUJITSU LIMITED
PRELIMINARY and CONFIDENTIAL
5.1.2 Memory Mapping
A graphics memory is mapped linearly to host CPU address field. Each of these above data is
able to be allocated anywhere in the Graphics memory according to the respective register
setting. ( However there is some restrictions of an addressing boundary depending on a data
type.)
5.1.3 Data Format
Direct Color ( 16 bits / pixel )
This data format is described RGB as each 5 bit. Bit15 is used for alpha bit of layer blending.
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
A
R
G
B
Indirect Color ( 8 bits / pixel )
This data format is a color index code for looking up table (palette).
7
6
5
4
3
2
1
0
Color Code
Z Value
It is possible to use Z value as 8 bits or 16 bits. These data format are unsigned integer.
1 ) 16 bits mode
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
Unsigned Integer
2 ) 8 bits mode
7
6
5
4
3
2
1
0
Unsigned Integer
Polygon Drawing Flag
This data format is 1 bit per 1 pixel.
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
P15 P14 P13 P12 P11 P10 P9 P8 P7 P6 P5 P4 P3 P2 P1 P0
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
P31 P30 P29 P28 P27 P26 P25 P24 P23 P22 P21 P20 P19 P18 P17 P16
MB86294/294S CORAL_LB
Graphics Controller
51
Specifications Rev. 1.0