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STV2246C 数据表(PDF) 46 Page - STMicroelectronics

部件名 STV2246C
功能描述  I2C BUS-CONTROLLED MULTISTANDARD SINGLE CHIP TV PROCESSOR
PDF  76 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STV2246C 数据表(HTML) 46 Page - STMicroelectronics

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STV223XD/224XC - I²C BUS SELECTION
46/76
CHROMA CONTROLS
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
X
X
X
X
X
X
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
0F
Peaking control
4
X
X
X
X
X
X
X
X
0
1
0
1
0
1
0
1
0 dB at center Freq. Min. peaking.
+ 6dB at center Freq.Max. peaking.
Coring on sharp-
ness
1X
X
X
X
X
X
0
1
X
X
X
X
X
X
X
X
0 = Coring off.
1 = Coring on.
Chroma trap selec-
tion
1X
X
X
X
0
1
X
X
X
X
X
X
X
X
X
X
0 = Trap on (CVBS mode & color identified).
1 = Trap off.
CVBS2 ON/OFF
1
X
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
0 = CVBS2 output active.
1 = CVBS2 output not active.
White insertion
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0 = White insertion not active.
1 = White insertion enable during HOUT soft mode.
10
APR enable
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0 = APR disable.
1 = APR enable.
APR threshold
5
X
X
X
X
X
X
0
1
0
1
0
1
0
1
X
X
50 IRE.
100 IRE.
RGB OSD contrast
selection
1X
X
X
X
0
1
X
X
X
X
X
X
X
X
X
X
0 = Contrast control disable.
1 = Contrast control enable.
CRT/LCD Display
1
X
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
0 = RGB output blanking active, CRT Display
1 = RGB output blanking replaced by black level,
LCD Display
Not to be used
2
0
X
X
X
X
X
X
x
Reg.
Addr
(Hex)
Description
Bits
Data
Comments
d7 d6 d5 d4 d3 d2 d1 d0
Reg.
Addr.
(Hex)
Description
Bits
Data
Comments
d7 d6 d5 d4 d3 d2 d1 d0
11
Bell filter adjust
5X
X
X
X
X
X
0
1
0
1
0
1
0
1
0
1
0 kHz.
+100 kHz.
PAL/NTSC
demodulation gain
1X
X
X
X
0
1
X
X
X
X
X
X
X
X
X
X
0 = 0 dB gain (nominal).
1 = +6 dB gain.
NTSC matrix
1
X
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
0 = 90° matrix selection.
1 = 104° matrix selection (in NTSC only).
ACC overload disable
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0 = ACC overload active.
1 = ACC overload disable.



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