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KB2502 Datasheet(PDF) 32 Page - Samsung semiconductor

Part # KB2502
Description  VIDEO AMP MERGED OSD PROCESSOR
PDF  62 Pages
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Manufacturer  SAMSUNG [Samsung semiconductor]
Direct Link  http://www.samsung.com/Products/Semiconductor
Logo SAMSUNG - Samsung semiconductor

KB2502 Datasheet(HTML) 32 Page - Samsung semiconductor

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VIDEO AMP MERGED OSD PROCESSOR FOR MONITORS
KB2502
31
Preliminary
V-AMP Control
Registers - 8
(Row 15,
Column 11)
BWB7 ~ BWB0
(bit7 ~ 0)
B channel cut-off control.
The cut-off adjustment B used to adjust the raster white balance.
V-AMP Control
Registers - 9
(Row 15,
Column 12)
CUT7 ~ CUT0
(bit7 ~ 0)
The cut-off brightness adjustment is made by simultaneously controlling
the external cut-off current.
V-AMP Control
Registers - 10
(Row 15,
Column 13)
HT
(bit 0)
Video & OSD half tone enable.
If you set this bit to ’1’, the half tone function is on.
Then you can see the video signal & OSD raster.
HS3 ~ HS1
(bit3 ~ 1)
HS3 ~ HS1 bits select OSD raster color 1 to be half tone.
To carry out half tone function, set the HT bit to ’1’.
HS6 ~ HS4
(bit6 ~ 4)
HS6 ~ HS4 bits select OSD raster color 2 to be half tone.
To carry out half tone function, set the HT bit to ’1’.
SB
(bit 7)
Soft blanking enable
If you set this bit ’1’, the R/G/B outputs go to GND.
Tabel 4. Register Description (Continued)
Registers
Bits
Description
HS3
HS2
HS1
OSD
Raster
Color 1
POR
G
R
B
0
0
0
0
0
0
Black
O
0
0
1
0
0
1
Blue
0
1
0
0
1
0
Red
0
1
1
0
1
1
Magenta
1
0
0
1
0
0
Green
1
0
1
1
0
1
Cyan
1
1
0
1
1
0
Yellow
1
1
1
1
1
1
White
HS6
HS5
HS4
OSD
Raster
Color 2
POR
G
R
B
0
0
0
0
0
0
Black
O
0
0
1
0
0
1
Blue
0
1
0
0
1
0
Red
0
1
1
0
1
1
Magenta
1
0
0
1
0
0
Green
1
0
1
1
0
1
Cyan
1
1
0
1
1
0
Yellow
1
1
1
1
1
1
White



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