STV2246H STMicroelectronics, STV2246H Datasheet - Page 51

• Manufacturer Part Number: STV2246H
• Manufacturer: STMicroelectronics

Specifications of STV2246H

• Lead Free Status / Rohs Status: Compliant

STV224X, STV228X, STV223X - I²C BUS SELECTION
6.3.7 Chroma Controls
51/86
Addr.
(Hex)
(Hex)
Reg.
Addr
Reg.
11
12
0F
10
Bell Filter Adjust
PAL/NTSC
Demodulation Gain
NTSC Matrix
ACC Overload Disable
Bandpass adjust
Chroma reference out-
put
Chroma DL selection
Not to be used
Peaking Control
Coring on sharp-
ness
Chroma Trap and
Luma Delay Selec-
tion
CVBS2 ON/OFF
White Insertion
APR Enable
APR Threshold
RGB OSD Con-
trast Selection
CRT/LCD Display
White Insertion
Description
Description
Bits
4
1
1
1
1
1
4
1
1
1
Bits
1
1
5
1
4
1
1
2
d7 d6 d5 d4 d3 d2 d1 d0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
d7 d6 d5 d4 d3 d2 d1 d0
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
X
X
X
X
X
X
0
1
X
X
X
X
X
X
X
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
X
X
X
X
0
1
X
X
X
X
X
X
X
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
X
X
0
1
X
X
X
X
X
X
X
X
0
1
X
X
X
X
X
X
Data
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
Data
0
1
X
X
X
X
X
X
X
X
X
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
0
1
X
X
X
X
X
X
X
X
X
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
0 dB at center Freq. Min. peaking.
+ 6dB at center Freq.Max. peaking.
0 = Coring off.
1 = Coring on.
0 = Trap and Luma Delay Enabled.
1 = Trap and Luma Delay Disabled.
0 = CVBS2 output Enabled.
1 = CVBS2 output Disabled.
0 = White insertion not active.
1 = White insertion enable during HOUT soft mode.
0 = APR disable.
1 = APR enable.
Note: WR10 d0 to be set to 1 when RGB peak limi-
tation is used
50 IRE.
100 IRE.
0 = Contrast control disable.
1 = Contrast control enable.
0 = RGB output blanking active, CRT Display
1 = RGB output blanking replaced by black level,
LCD Display
White Insertion controlled by WR0Fd7
White forced at RGB Output
0 kHz.
+100 kHz.
0 = 0 dB gain (nominal).
1 = +6 dB gain.
0 = 90° matrix selection.
1 = 104° matrix selection (in NTSC only).
0 = ACC overload active.
1 = ACC overload disable.
f = fosc.
f = 1.1*fosc.
0 = Chroma reference output OFF.
1 = Chroma reference output ON.
0 = ON.
1 = OFF.
Comments
Comments