adv7180 Analog Devices, Inc., adv7180 Datasheet - Page 89

• Manufacturer Part Number: adv7180
• Description: 10-bit, 4 X Oversampling Sdtv Video Decoder
• Manufacturer: Analog Devices, Inc.

Subaddress
0x3A
0x3D
0x41
0x48
0x49
0x4A
0x4B
0x4C
Register
ADC Control
Manual
Window
Control
Resample
Control
Gemstar
Control 1
Gemstar
Control 2
Gemstar
Control 3
Gemstar
Control 4
Gemstar
Control 5
Bit Description
MUX PDN override. MUX
power-down override.
When INSEL[3:0] is used,
unused channels are
automatically powered
down.
PWRDWN_MUX_2.
Enables power-down of
MUX_2 and associated
channel clamp and buffer.
PWRDWN_MUX_1.
Enables power-down of
MUX_1 and associated
channel clamp and buffer.
PWRDWN_MUX_0.
Enables power-down of
MUX_0 and associated
channel clamp and buffer.
Reserved.
Reserved.
CKILLTHR[2:0].
Reserved.
Reserved.
SFL_INV. Controls the
behavior of the PAL
switch bit.
Reserved.
GDECEL[15:8]. See the
Comments column.
GDECEL[7:0].
GDECOL[15:8]. See the
Comments column.
GDECOL[7:0].
GDECAD. Controls the
manner in which decoded
Gemstar data is inserted
into the horizontal
blanking period.
Reserved.
7
0
1
0
0
0
0
0
x
(Shading Indicates Default State)
6
0
0
0
0
0
1
1
1
1
0
1
0
0
0
0
x
Rev. B | Page 89 of 112
5
0
0
0
1
1
0
0
1
1
0
0
0
0
0
x
4
1
0
1
0
1
0
1
0
1
0
0
0
0
0
x
Bits
3
0
1
0
0
0
0
0
0
x
2
0
1
0
0
0
0
0
0
x
1
0
1
1
0
0
0
0
0
x
0
0
1
0
1
0
0
0
0
0
1
MUX_2 and associated channel in
normal operation
Power down MUX_2 and associated
channel operation
MUX_1 and associated channel in
normal operation
Power down MUX_1 and associated
channel operation
MUX_0 and associated channel in
normal operation
Power down MUX_0 and associated
channel operation
Set as default
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 the ADV717x and
ADV73xx video encoders
SFL-compatible with the
ADV7190/ADV7191/ADV7192/ADV719
4 video 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
Output in straight 8-bit format
Undefined
LQFP-64
Comments
LFCSP-40
Notes
No control over
power-down for
muxes and associ-
ated channel circuit
Allows power-down
of MUX_0/1/2 and
associated channel
circuit
MUX PDN override
=1
MUX PDN override
=1
MUX PDN override
=1
CKE = 1 enables
the color kill
function and must
be enabled for
CKILLTHR[2:0] to
take effect
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
ADV7180