FIG3-7 OSD Display Flow Chart
Overlay Block
The Overlay Block mixes the scaled image data and osd data…
Overlay block mix mode is following 4 ways listed below:
Transparent (Display)
Opaque (OSD)
Background Transparent (0 bits = Display)
Translucent ((D OSD)/2)
RGB Offset and Gamma controller Block:
The RGB offset function is used to adjust brightness of
the
RGB data. It provides a simple shift (positive or
negative)
for each of the 3 color ch
annels.
The Gamma Correction Block controls the linearity of RGB data.
It is used to adjust the RGB data according to the individual display characteristics and human eyes favorite. In
addition, the gamma table may be used for contrast, brightness, and white balance (temperature) adjustment.
The Gamma Correction linearity can be programmed through host interface.
Dithering Block
The Dithering Block generates output RGB data for TFT panels that have fewer than 8 bits for R, G and B input.
Mascot
V uses a proprietary algori
th
m to generate smooth shade colors.
Panel Interface
Mascot V chip interfaces with all commonly used active matrix flat panel, e.g. 640x480, 800x600, and 1024x768 .
ViewSonic Corporation
18
Confidential
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-
Do
Not Copy
VG1
5
0m
/mb
Summary of Contents for VG150m-1
Page 9: ...3 Disassembly Assembly Instructions ViewSonic Corporation 6 Confidential Do Not Copy VG150m mb...
Page 22: ...FIG3 8 Mascot function block ViewSonic Corporation 19 Confidential Do Not Copy VG150m mb...
Page 25: ...FIG4 2 MPU Control Block ViewSonic Corporation 22 Confidential Do Not Copy VG150m mb...
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Page 40: ...8 PCB Layout ViewSonic Corporation 37 Confidential Do Not Copy VG150m mb...
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