
ADV7180
Rev. A | Page 90 of 112
Bits (Shading Indicates Default
State)
6
5
4
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
0
0
0
Comments
Subaddress
0x3D
Register
Manual Window
Control
Bit Description
Reserved.
CKILLTHR[2:0].
7
1
3
0
0
2
0
0
1
1
0
0
0
1
LQFP-64
Set to default
Kill at 0.5%
Kill at 1.5%
Kill at 2.5%
Kill at 4%
Kill at 8.5%
Kill at 16%
Kill at 32%
Reserved
Set to default
Set to default
SFL compatible with
ADV7190/ADV7191/
ADV7194 encoders
SFL compatible with
ADV717x/ADV7173x
encoders
Set to default
GDECEL[15:0]: sixteen
individual enable bits that
select the lines of video
(even field Line 10 to Line 25)
that the decoder checks for
Gemstar-compatible data
GDECOL[15:0]: sixteen
individual enable bits that
select the lines of video
(odd field Line 10 to Line 25)
that the decoder checks for
Gemstar-compatible data
Split data into half-byte
LFCSP-40
Notes
CKE = 1 enables the color
kill function and must be
enabled for CKILLTHR[2:0]
to take effect
Reserved.
Reserved.
SFL_INV. Controls the
behavior of the PAL
switch bit.
1
0x41
Resample Control
Reserved.
GDECEL[15:8]. See the
Comments column.
GDECEL[7:0].
0
0
0
0
0
0
0
0
0
LSB = Line 10
MSB = Line 25
Default = Do not check for
Gemstar-compatible data
on any lines [10 to 25] in
even fields
LSB = Line 10
MSB = Line 25
Default = Do not check for
Gemstar-compatible data
on any lines [10 to 25] in
odd fields
To avoid 00/FF code
0x48
Gemstar Control 1
0x49
Gemstar Control 2
0
0
0
0
0
0
0
0
0x4A
Gemstar Control 3
GDECOL[15:8]. See the
Comments column.
GDECOL[7:0].
0
0
0
0
0
0
0
0
0x4B
Gemstar Control 4
0
0
0
0
0
0
0
0
0
GDECAD. Controls the
manner in which
decoded Gemstar data
is inserted into the
horizontal blanking
period.
1
Output in straight 8-bit
format
Undefined
Disable CTI
Enable CTI
Disable CTI alpha blender
Enable CTI alpha blender
0x4C
Gemstar Control 5
Reserved.
CTI_EN. CTI enable.
x
x
x
x
x
x
x
0
1
0
1
CTI_AB_EN. Enables
the mixing of the
transient improved
chroma with the
original signal.
CTI_AB[1:0]. Controls
the behavior of the
alpha-blend circuitry.
1
0
1
0
0
1
0
0
0
0
0
1
1
1
0
1
0
1
0
0
0
Sharpest mixing
Sharp mixing
Smooth
Smoothest
Set to default
Bypass the DNR block
Enable the DNR block
Set to default
Set to 0x04 for AV input;
set to 0x0A for tuner input
Reserved.
DNR_EN. Enable or
bypass the DNR block.
0x4D
CTI DNR Control 1
Reserved.
CTI_C_TH[7:0].
Specifies how big the
amplitude step must
be to be steepened by
the CTI block.
DNR_TH[7:0]. Specifies
the maximum edge
that is interpreted as
noise and is therefore
blanked.
0x4E
CTI DNR Control 2
0x50
CTI DNR Control 4
0
0
0
0
1
0
0
0