STV2246H STMicroelectronics, STV2246H Datasheet - Page 53

• Manufacturer Part Number: STV2246H
• Manufacturer: STMicroelectronics

Specifications of STV2246H

• Lead Free Status / Rohs Status: Compliant

STV224X, STV228X, STV223X - I²C BUS SELECTION
6.3.9 Miscellaneous
53/86
Addr.
Addr.
(Hex)
(Hex)
Reg.
Reg.
1A
1B
1C
1D
1E
17
18
19
Manual Cut-off
Register Red
Manual Cut-off
Register Green
Manual Cut-off
Register Blue
CVBS1 Out selection at
pin 29 SDIP56
Not To Be Used
SIF AGC time
constant (positive mod-
ulation)
Vertical Amplitude
50/60Hz Selection
Vertical Position
PLL1 Time Constant
Horizontal
Synchronization
Vertical
Synchronization
Vertical Output Low
Level Control
Frame Blanking
Noise Detector
Threshold
Not to be used
Wide Line Blanking
Copy Protection Mode
AV Mode Time
Constant
Description
Description
Bits
Bits
6
2
4
2
1
1
1
1
2
1
1
1
1
8
8
8
8
7
1
d7 d6 d5 d4 d3 d2 d1 d0
d7 d6 d5 d4 d3 d2 d1 d0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
0
0
0
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
0
0
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
0
0
0
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
0
1
0
Data
X
Data
0
1
0
1
0
1
0
0
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
0
1
0
1
0
1
0
1
0
1
0
1
0
0
0
0
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
0
1
0
1
0
1
0
1
1
0
0
0
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
0
1
0
1
0
1
0
1
1
0
0
0
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
0
1
0
1
0
1
0
1
1
0
0
0
0
Low DC at RGB output.
High DC at RGB output.
Low DC at RGB output.
High DC at RGB output.
Low DC at RGB output.
High DC at RGB output.
CVBSOUT1 selected at pin 29 SDIP56.
Default value, set to 0h when CVBSOUT1 not
used.
Automatic SIFAGC Time constant control.
Forced Long time constant.
1.5 V on V
6.0 V on V
Auto (50 Hz when no ident.).
60 Hz.
50 Hz.
Auto (60 Hz when no ident.).
4 V high level on VERT Pin.
6 V high level on VERT Pin.
Auto time constant selection.
Short time constant.
Long time constant.
Very long time constant.
0 = PLL1 active.
1 = PLL1 not active (horiz. free running mode).
0 = Vertical synchronization active.
1 = Vertical free running mode.
0 = 0.1 V low level on VERT Pin.
1 = 2 V low level on VERT Pin.
0 = Adapted to standard.
1 = Long blanking (50 Hz blanking) both in 50 Hz
and 60 Hz modes
Low threshold.
High threshold.
0 = Standard Line Blanking
1 = Wide Line Blanking
0 = Normal PLL1 operating mode.
1 = Copy Protection Mode.
0 = PLL1 short time constant during all frames.
1 = PLL1 long time constant during vertical blank-
ing, short time constant for the rest of the field.
AMP
AMP
Pin.
Pin.
Comments
Comments