AT91SAM9G35-CU Datasheet, PDF (1138/1224 Pages) ATMEL Corporation – AT91SAM ARM-based Embbedded MPU

45.7.83 High End Overlay Layer Configuration 12 Register
Name:
LCDC_HEOCFG12
Address: 0xF80382FC
Access:
Read-write
Reset:
0x00000000
31
–
23
15
–
7
OVR
30
–
22
14
–
6
LAEN
29
–
21
13
–
5
GAEN
28
–
20
GA
12
VIDPRI
4
REVALPHA
27
–
19
11
–
3
ITER
26
–
18
10
DSTKEY
2
ITER2BL
25
–
17
9
REP
1
INV
• CRKEY: Blender Chroma Key Enable
0: Chroma key matching is disabled.
1: Chroma key matching is enabled.
• INV: Blender Inverted Blender Output Enable
0: Iterated pixel is the blended pixel.
1: Iterated pixel is the inverted pixel.
• ITER2BL: Blender Iterated Color Enable
0: Final adder stage operand is set to 0.
1: Final adder stage operand is set to the iterated pixel value.
• ITER: Blender Use Iterated Color
0: Pixel difference is set to 0.
1: Pixel difference is set to the iterated pixel value.
• REVALPHA: Blender Reverse Alpha
0: Pixel difference is multiplied by alpha.
1: Pixel difference is multiplied by 1 - alpha.
• GAEN: Blender Global Alpha Enable
0: Global alpha blending coefficient is disabled.
1: Global alpha blending coefficient is enabled.
• LAEN: Blender Local Alpha Enable
0: Local alpha blending coefficient is disabled.
1: Local alpha blending coefficient is enabled.
• OVR: Blender Overlay Layer Enable
0: Overlay pixel color is set to the default overlay pixel color.
1: Overlay pixel color is set to the DMA channel pixel color.
24
–
16
8
DMA
0
CRKEY
SAM9G35 [DATASHEET] 1138
11053D–ATARM–11-Feb-13