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
0A Red Drive Adjust
(White Point R)
RGBext/YCrCb
Selection
6 XX0 0 0 0
XX1 1 1 1
2 0 0XXXX
0 1XXXX
1 0XXXX
1 1XXXX
0B
Green drive adjust-
ment
6
(white point G)
XX0 0 0 0
XX1 1 1 1
Black stretch ena- 1 X 0 X X X X
ble
X1XXXX
Black Stretch
Reference Level
1
0XXXXX
1XXXXX
0C Blue drive adjust-
ment
(white point B)
6 XX0 0 0 0
XX1 1 1 1
Cut-off loop control 1
X0XXXX
X1XXXX
LSB (9th bit) Red
cut-off counter
1
0XXXXX
1XXXXX
0D
Red cut-off adjust-
ment (Black point
R)
6
XX0 0 0 0
XX1 1 1 1
2
- Manual Cut-off Se-
lection
0 0XXXX
1 1XXXX
t(s) 0 1 X X X X
1 0XXXX
c 0E Green cut-off ad-
u justment (Black
d point G)
6 XX0 0 0 0
XX1 1 1 1
ro Not to be used
1 X0XXXX
LSB (9th bit) Green
bsolete P cut-off counter
1
0XXXXX
1XXXXX
0 0 -6 dB gain (Min. drive).
1 1 0 dB gain (Max. drive).
X X RGB ext. insertion enable controlled by FBext input
pin.
X X RGB ext. insertion disable, FBext control disable.
X X RGB ext. insertion forced (FBext not active).
X X YCrCb insertion forced.
if WR0F d5 = 0 : Y on Gext (luminance input) and
CVBSin (for synchro), Cr on Rext, Cb on Bext.
if WR0F d5 = 1 : Y on CVBSin (for luminance and
synchro), Cr on Rext, Cb on Bext, trap and luma de-
lay disabled.
) 0 0 -6 dB gain (Min. drive).
t(s 1 1 0 dB gain (Max. drive).
X X 0 = Black stretch disable.
c X X 1 = Black stretch enable.
u X X 0 = 0 IRE (no set-up).
d X X 1 = 7.5 IRE (NTSC set-up).
ro 0 0 -6 dB gain (Min. drive).
1 1 0 dB gain (Max. drive).
P X X 0 = Cut-off loop active.
te X X 1 = Cut-off loop frozen.
le X X Red LSB = 0
X X Red LSB = 1
so 0 0 -150 mV.
b 1 1 +150 mV.
OX X Automatic Cut-off application, data = 00hex in
registers 1A,1B, 1C.
X X Manual cut-off application DC at R,G,B output are
adjusted thanks registers 1A, 1B, 1C.
X X Not allowed.
X X Not allowed.
0 0 -150 mV.
1 1 +150 mV.
XX
X X Green LSB = 0
X X Green LSB = 1
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