STV2247H(2009) View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
STV2247H Datasheet PDF : 86 Pages
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STV224X, STV228X, STV223X - I²C BUS SELECTION
Reg.
Addr.
(Hex)
Description
Data
Bits
d7 d6 d5 d4 d3 d2 d1 d0
Comments
17 Vertical Amplitude
6
X X 0 0 0 0 0 0 1.5 V on VAMP Pin.
X X 1 1 1 1 1 1 6.0 V on VAMP Pin.
0 0 X X X X X X Auto (50 Hz when no ident.).
50/60Hz Selection
2
0 1 X X X X X X 60 Hz.
1 0 X X X X X X 50 Hz.
1 1 X X X X X X Auto (60 Hz when no ident.).
18 Vertical Position
4 X X X X 0 0 0 0 4 V high level on VERT Pin.
X X X X 1 1 1 1 6 V high level on VERT Pin.
2 X X 0 0 X X X X Auto time constant selection.
PLL1 Time Constant
X X 0 1 X X X X Short time constant.
X X 1 0 X X X X Long time constant.
X X 1 1 X X X X Very long time constant.
Horizontal
1 X 0 X X X X X X 0 = PLL1 active.
) Synchronization
X 1 X X X X X X 1 = PLL1 not active (horiz. free running mode).
t(s Vertical
1 0 X X X X X X X 0 = Vertical synchronization active.
Synchronization
1 X X X X X X X 1 = Vertical free running mode.
c 19 Vertical Output Low
u Level Control
1 X X X X X X X 0 0 = 0.1 V low level on VERT Pin.
X X X X X X X 1 1 = 2 V low level on VERT Pin.
d 1 X X X X X X 0 X 0 = Adapted to standard.
ro Frame Blanking
X X X X X X 1 X 1 = Long blanking (50 Hz blanking) both in 50 Hz
and 60 Hz modes
P Noise Detector
Threshold
2 X X X X 0 0 X X Low threshold.
X X X X 1 1 X X High threshold.
te Not to be used
1 XX0 0XXXX
le Wide Line Blanking
1
X X 0 X X X X X 0 = Standard Line Blanking
X X 1 X X X X X 1 = Wide Line Blanking
so Copy Protection Mode 1
X 0 X X X X X X 0 = Normal PLL1 operating mode.
X 1 X X X X X X 1 = Copy Protection Mode.
Ob AV Mode Time
- Constant
1 0 X X X X X X X 0 = PLL1 short time constant during all frames.
1 X X X X X X X 1 = PLL1 long time constant during vertical blank-
ing, short time constant for the rest of the field.
t(s) 6.3.9 Miscellaneous
Reg.
Data
c Addr.
u (Hex)
Description
Bits
d7 d6 d5 d4 d3 d2 d1 d0
Comments
d 1A Manual Cut-off
ro Register Red
8
0 0 0 0 0 0 0 0 Low DC at RGB output.
1 1 1 1 1 1 1 1 High DC at RGB output.
1B Manual Cut-off
P Register Green
8
0 0 0 0 0 0 0 0 Low DC at RGB output.
1 1 1 1 1 1 1 1 High DC at RGB output.
1C Manual Cut-off
teRegister Blue
8
0 0 0 0 0 0 0 0 Low DC at RGB output.
1 1 1 1 1 1 1 1 High DC at RGB output.
le1D CVBS1 Out selection at
o pin 29 SDIP56
8
0 0 0 0 0 1 1 1 CVBSOUT1 selected at pin 29 SDIP56.
0 0 0 0 0 0 0 0 Default value, set to 0h when CVBSOUT1 not
used.
bs 1E Not To Be Used
7 000X0000
SIF AGC time
constant (positive mod- 1
ulation)
0 0 0 0 0 0 0 0 Automatic SIFAGC Time constant control.
0 0 0 1 0 0 0 0 Forced Long time constant.
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