Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet
Product codes
AT91SAM9N12-EK
960
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
44.6.3.2 Color Attributes
CLUTMODE field: selects the color lookup table mode
RGBMODE field: selects the RGB mode.
44.6.3.3 Window Attributes Software Operation
1.
When required, write the overlay attributes configuration registers.
2.
Set UPDATEEN field of the CHXCHER register.
3.
Poll UPDATESR field in the CHXCHSR, the update applies when that field is reset.
44.6.4 RGB
Frame
Buffer Memory Bitmap
44.6.4.1 1 bpp Through Color Lookup Table
44.6.4.2 2 bpp Through Color Lookup Table
44.6.4.3 4 bpp Through Color Lookup Table
44.6.4.4 8 bpp Through Color Lookup Table
44.6.4.5 12 bpp Memory Mapping, RGB 4:4:4
Table 44-7. 1 bpp memory mapping, little endian organization
Mem addr
0x3
0x2
0x1
0x0
Bit
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
Pixel 1 bpp
p3
1
1
p3
0
0
p2
9
9
p2
8
8
p2
7
7
p2
6
6
p2
5
5
p2
4
4
p2
3
3
p2
2
2
p2
1
1
p2
0
0
p1
9
9
p1
8
8
p1
7
7
p1
6
6
p1
5
5
p1
4
4
p1
3
3
p1
2
2
p11
p1
0
0
p9 p8 p7 p6 p5 p4 p3 p2 p1 p0
Table 44-8. 2 bpp memory mapping, little endian organization
Mem addr
0x3
0x2
0x1
0x0
Bit
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
Pixel 2 bpp
p15
p14
p13
p12
p11
p10
p9
p8
p7
p6
p5
p4
p3
p2
p1
p0
Table 44-9. 4 bpp memory mapping, little endian organization
Mem addr
0x3
0x2
0x1
0x0
Bit
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
Pixel 4 bpp
p7
p6
p5
p4
p3
p2
p1
p0
Table 44-10. 8 bpp memory mapping, little endian organization
Mem addr
0x3
0x2
0x1
0x0
Bit
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
Pixel 8 bpp
p3
p2
p1
p0
Table 44-11. 12 bpp memory mapping, little endian organization
Mem addr
0x3
0x2
0x1
0x0
Bit
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
Pixel 12 bpp
–
R1[3:0]
G1[3:0]
B1[3:0]
–
R0[3:0]
G0[3:0]
B0[3:0]