adv7181b Analog Devices, Inc., adv7181b Datasheet - Page 77

• Manufacturer Part Number: adv7181b
• Description: Multiformat Sdtv Video Decoder
• Manufacturer: Analog Devices, Inc.

Subaddress
0x18
0x19
0x1D
Register
Shaping
Filter
Control 2
Comb
Filter
Control
ADI
Control 2
Bit Description
WYSFM[4:0]. Wideband Y shaping
filter mode allows the user to select
which Y shaping filter is used for the
Y component of Y/C, YPbPr, B/W
input signals; it is also used when a
good quality input CVBS signal is
detected. For all other inputs, the Y
shaping filter chosen is controlled
by YSFM[4:0].
Reserved.
WYSFMOVR. Enables the use of
automatic WYSFN filter.
PSFSEL[1:0]. Controls the signal
bandwidth that is fed to the comb
filters (PAL).
NSFSEL[1:0]. Controls the signal
bandwidth that is fed to the comb
filters (NTSC).
Reserved.
Reserved.
VS_JIT_COMP_EN.
EN28XTAL.
TRI_LLC.
Rev. B | Page 77 of 100
7 6
0
1
1 1
0
1
0
0
1
5
0
1
0
1
4 3
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
1 0
1 0
1 0
1 0
1 0
~ ~
1 1
1
0 0
Bits
0
0
1
1
2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
~
1
0
1
0
1
x
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
~
1
0
0
1
1
x
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
~
1
0
1
0
1
x
Comments
Reserved; do not use
Reserved; do not use
SVHS 1
SVHS 2
SVHS 3
SVHS 4
SVHS 5
SVHS 6
SVHS 7
SVHS 8
SVHS 9
SVHS 10
SVHS 11
SVHS 12
SVHS 13
SVHS 14
SVHS 15
SVHS 16
SVHS 17
SVHS 18 (CCIR 601)
Reserved; do not use
Reserved; do not use
Reserved; do not use
Set to default
Autoselection of best filter
Manual select filter using
WYSFM[4:0]
Narrow
Medium
Wide
Widest
Narrow
Medium
Medium
Wide
Set as default
Set to default
Enabled
Disabled
Use 27 MHz crystal
Use 28 MHz crystal
LLC pin active
LLC pin three-stated
Notes
ADV7181B