STV2247H View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
STV2247H Datasheet PDF : 86 Pages
| |||
STV224XH/228XH/223XH - I²C BUS SELECTION
Reg.
Data
Addr.
(Hex)
Description
Bits
d7 d6 d5 d4 d3 d2 d1 d0
Comments
14 Hue Control
(in NTSC only)
6 X X 0 0 0 0 0 0 -45°.
X X 1 1 1 1 1 1 +45°.
Flesh Enable
1 X 0 X X X X X X 0 = Flesh disable (OFF).
X 1 X X X X X X 1 = Flesh enable (ON).
Wide Flesh Charac-
Teristic Selection
1 0 X X X X X X X 0 = Normal characteristic.
1 X X X X X X X 1 = Wide characteristic.
15
2 X X X X X X 0 0 CVBS1 selected.
Main Video Switch
X X X X X X 0 1 CVBS2 selected.
X X X X X X 1 X Y/CVBS3 selected.
2 X X X X 0 0 X X CVBS1 selected.
Second Video Switch
Control
X X X X 0 1 X X CVBS2 selected.
X X X X 1 0 X X Y/CVBS3 selected.
X X X X 1 1 X X Y+C selected.
SVHS Switch Chroma 1 X X X 0 X X X X 0 = Main CVBS selected.
Decoder Input Selec-
X X X 1 X X X X 1 = CHR input selected (SVHS).
tion
Not to be used
2 X0 0XXXXX
Safety Reset
1 0 X X X X X X X 0 = Safety active
1 X X X X X X X 1 = Reset Safety, Safety non-active
6.3.8 Scanning Controls
Reg.
Addr.
(Hex)
16
Description
Horizontal Shift
Horizontal Output
Pulse Disable
Interlace
17 Vertical Amplitude
50/60Hz Selection
18 Vertical Position
PLL1 Time Constant
Horizontal
Synchronization
Vertical
Synchronization
Data
Bits
d7 d6 d5 d4 d3 d2 d1 d0
Comments
6 X X 0 0 0 0 0 0 -2.5 µs.
X X 1 1 1 1 1 1 +2.5 µs.
1 X 0 X X X X X X 0 = Normal mode.
X 1 X X X X X X 1 = HOUT disable (high level).
1 0 X X X X X X X 0 = Interlace mode.
1 X X X X X X X 1 = De-interlace mode.
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.).
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.).
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.
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.
1 X 0 X X X X X X 0 = PLL1 active.
X 1 X X X X X X 1 = PLL1 not active (horiz. free running mode).
1 0 X X X X X X X 0 = Vertical synchronization active.
1 X X X X X X X 1 = Vertical free running mode.
52/86
Share Link: 