Table: Logo Layer Registers
provides a detailed description of all the registers that apply to the logo layer.
Table 2-13:
Logo Layer Registers
|
Address (hex) BASEADDR+
|
Register Name
|
Access Type
|
Description
|
|
0x2000
|
Logo Start X
|
R/W
|
X position of the top left corner of the logo, relative to the output resolution
|
|
0x2008
|
Logo Start Y
|
R/W
|
Y position of the top left corner of the logo, relative to the output resolution
|
|
0x2010
|
Logo Width
|
R/W
|
Active width (in pixels) of the logo
|
|
0x2018
|
Logo Height
|
R/W
|
Active height (in lines) of the logo
|
|
0x2020
|
Logo Scale Factor
|
R/W
|
Scale factor for logo ranging from
0 = No scaling
1 = 2x scaling (horizontally and vertically)
2 = 4x scaling (horizontally and vertically)
|
|
0x2028
|
Logo Alpha
|
R/W
|
Alpha blending value for logo ranging from
0 = Fully transparent
255 = Fully opaque
|
|
0x2030
|
Logo Color Key Min R
|
R/W
|
Red minimum value of color key range
|
|
0x2038
|
Logo Color Key Min G
|
R/W
|
Green minimum value of color key range
|
|
0x2040
|
Logo Color Key Min B
|
R/W
|
Blue minimum value of color key range
|
|
0x2048
|
Logo Color Key Max R
|
R/W
|
Red maximum value of color key range
|
|
0x2050
|
Logo Color Key Max G
|
R/W
|
Green maximum value of color key range
|
|
0x2058
|
Logo Color Key Max B
|
R/W
|
Blue maximum value of color key range
|
|
0x1 0000
|
Logo Red Buffer
|
R/W
|
Start address of buffer for red logo pixels
|
|
0x2 0000
|
Logo Green Buffer
|
R/W
|
Start address of buffer for green logo pixels
|
|
0x3 0000
|
Logo Blue Buffer
|
R/W
|
Start address of buffer for blue logo pixels
|
|
0x4 0000
|
Logo Alpha Buffer
|
R/W
|
Start address of buffer for logo per pixel alpha
|