2 bits per pixel data memory organization -12, 4 bits per pixel data memory organization -12, 8 bits per pixel data memory organization -12 – Intel PXA255 User Manual
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Intel® PXA255 Processor Developer’s Manual
LCD Controller
Figure 7-7. 2 Bits Per Pixel Data Memory Organization
Figure 7-8. 4 Bits Per Pixel Data Memory Organization
Figure 7-9. 8 Bits Per Pixel Data Memory Organization
Bit
1
0
2 bits/pixel
Palette Buffer Index<1:0>
Bit
31
30
29
28
27
26
...
7
6
5
4
3
2
1
0
Base
+ 0x0
Pixel 15
Pixel 14
Pixel 13
...
Pixel 3
Pixel 2
Pixel 1
Pixel 0
Base
+ 0x4
Pixel 31
Pixel 30
Pixel 29
...
Pixel 19
Pixel18
Pixel 17
Pixel 16
Bit
3
2
1
0
4 bits/pixel
Palette Buffer Index<3:0>
Bit
31
28
27
24
23
20
19
16
15
12
11
8
7
4
3
0
Base
+ 0x0
Pixel 7
Pixel 6
Pixel 5
Pixel 4
Pixel 3
Pixel 2
Pixel 1
Pixel 0
Base
+ 0x4
Pixel 15
Pixel 14
Pixel 13
Pixel 12
Pixel 11
Pixel 10
Pixel 9
Pixel 8
Bit
7
6
5
4
3
2
1
0
8 bits/pixel
Palette Buffer Index<7:0>
Bit
31
24
23
16
15
8
7
0
Base
+ 0x0
Pixel 3
Pixel 2
Pixel 1
Pixel 0
Base
+ 0x4
Pixel 7
Pixel 6
Pixel 5
Pixel 4