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STV2247 数据表(PDF) 50 Page - STMicroelectronics

部件名 STV2247
功能描述  I²C bus-controlled multistandard single chip TV processor
PDF  86 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STV2247 数据表(HTML) 50 Page - STMicroelectronics

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Obsolete
Product(s)
- Obsolete
Product(s)
STV224X, STV228X, STV223X - I²C BUS SELECTION
50/86
0A
Red Drive Adjust
(White Point R)
6X
X
X
X
0
1
0
1
0
1
0
1
0
1
0
1
-6 dB gain (Min. drive).
0 dB gain (Max. drive).
RGBext/YCrCb
Selection
20
0
1
1
0
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
RGB ext. insertion enable controlled by FBext input
pin.
RGB ext. insertion disable, FBext control disable.
RGB ext. insertion forced (FBext not active).
YCrCb insertion forced.
if WR0F d5 = 0 : Y on Gext (luminance input) and
CVBSin (for synchro), Cr on Rext, Cb on Bext.
if WR0F d5 = 1 : Y on CVBSin (for luminance and
synchro), Cr on Rext, Cb on Bext, trap and luma de-
lay disabled.
0B
Green drive adjust-
ment
(white point G)
6X
X
X
X
0
1
0
1
0
1
0
1
0
1
0
1
-6 dB gain (Min. drive).
0 dB gain (Max. drive).
Black stretch ena-
ble
1X
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
0 = Black stretch disable.
1 = Black stretch enable.
Black Stretch
Reference Level
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0 = 0 IRE (no set-up).
1 = 7.5 IRE (NTSC set-up).
0C
Blue drive adjust-
ment
(white point B)
6X
X
X
X
0
1
0
1
0
1
0
1
0
1
0
1
-6 dB gain (Min. drive).
0 dB gain (Max. drive).
Cut-off loop control
1X
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
0 = Cut-off loop active.
1 = Cut-off loop frozen.
LSB (9th bit) Red
cut-off counter
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Red LSB = 0
Red LSB = 1
0D
Red cut-off adjust-
ment (Black point
R)
6X
X
X
X
0
1
0
1
0
1
0
1
0
1
0
1
-150 mV.
+150 mV.
Manual Cut-off Se-
lection
20
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
Automatic Cut-off application, data = 00hex in
registers 1A,1B, 1C.
Manual cut-off application DC at R,G,B output are
adjusted thanks registers 1A, 1B, 1C.
0
1
1
0
X
X
X
X
X
X
X
X
X
X
X
X
Not allowed.
Not allowed.
0E
Green cut-off ad-
justment (Black
point G)
6X
X
X
X
0
1
0
1
0
1
0
1
0
1
0
1
-150 mV.
+150 mV.
Not to be used
1
X
0
XXXXXX
LSB (9th bit) Green
cut-off counter
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Green LSB = 0
Green LSB = 1
Reg.
Addr
(Hex)
Description
Bits
Data
Comments
d7 d6 d5 d4 d3 d2 d1 d0



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