Datasheet
1209
SAM9X35 [DATASHEET]
11055E–ATARM–10-Mar-2014
46.7.83 High End Overlay Layer Configuration 12 Register
Name: LCDC_HEOCFG12
Address: 0xF80382FC
Access: Read-write
Reset: 0x00000000
• 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.
31 30 29 28 27 26 25 24
––––––––
23 22 21 20 19 18 17 16
GA
15 14 13 12 11 10 9 8
– – – VIDPRI – DSTKEY REP DMA
76543210
OVR LAEN GAEN REVALPHA ITER ITER2BL INV CRKEY