ADV7181B
Rev. B | Page 81 of 100
Bits
Subaddress
Register
Bit Description
7
6 5
4
3 2
1
0 Comments Notes
0x39
0
0
0 Adaptive
5-line,
3-tap
luma comb
1
0
0
Use low-pass notch
1
1
0
Fixed luma comb
Top lines of
memory.
1
1
0
Fixed luma comb (5-line)
All lines of memory.
YCMP[2:0]. Luma comb mode, PAL.
1
1
1
Fixed luma comb (3-line)
Bottom lines of
memory.
0
0
0
3-line adaptive for
CTAPSN = 01
4-line adaptive for
CTAPSN = 10
5-line adaptive for
CTAPSN = 11
1
0
0
Disable chroma comb
Fixed 2-line for CTAPSN = 01
Top lines of
memory.
Fixed 3-line for CTAPSN = 10
1 0
1
Fixed 4-line for CTAPSN = 11
Fixed 3-line for CTAPSN = 01
All lines of memory.
Fixed 4-line for CTAPSN = 10
1 1
0
Fixed 5-line for CTAPSN = 11
Fixed 2-line for CTAPSN = 01
Bottom lines of
memory.
Fixed 3-line for CTAPSN = 10
CCMP[2:0]. Chroma comb mode,
PAL.
1 1
1
Fixed 4-line for CTAPSN = 11
0
0
Not used
0
1
Adapts 5-lines – 3 lines
(2 taps)
1
0
Adapts 5 lines – 3 lines
(3 taps)
PAL Comb
Control
CTAPSP[1:0]. Chroma comb taps, PAL.
1
1
Adapts 5 lines – 4 lines
(4 taps)
Reserved.
0
Set as default
0 ADC2
normal
operation
PWRDN_ADC_2. Enables power-
down of ADC2.
1
Power down ADC2
0 ADC1
normal
operation
PWRDN_ADC_1. Enables power-
down of ADC1.
1
Power down ADC1
0 ADC0
normal
operation
PWRDN_ADC_0. Enables power-
down of ADC0.
1
Power down ADC0
0x3A
Reserved.
0
0
0
1
Set as default
Reserved.
0
0
1
1
Set to default
0 0 0
Kill
at
0.5%
0 0 1
Kill
at
1.5%
0 1 0
Kill
at
2.5%
0 1 1
Kill
at
4%
1
0
0
Kill
at
8.5%
1 0 1
Kill
at
16%
1 1 0
Kill
at
32%
CKILLTHR[2:0].
1 1 1
Reserved
CKE = 1 enables the
color kill function
and must be
enabled for
CKILLTHR[2:0] to
take effect.
0x3D Manual
Window
Control
Reserved.
0
Set to default
