adv7181b Analog Devices, Inc., adv7181b Datasheet - Page 80

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

ADV7181B
Subaddress
0x34
0x35
0x36
0x37
0x38
Register
HS Position
Control 1
HS Position
Control 2
HS Position
Control 3
Polarity
NTSC
Comb
Control
Bit Description
HSE[10:8]. HS end allows the
positioning of the HS output within
the video line.
Reserved.
HSB[10:8]. HS begin allows the
positioning of the HS output within
the video line.
Reserved.
HSB[7:0] Using HSB[10:0] and
HSE[10:0], the user can program the
position and length of HS output signal
HSE[7:0] See Notes, above.
PCLK. Sets the polarity of LLC1.
Reserved.
PF. Sets the FIELD polarity.
Reserved.
PVS. Sets the VS Polarity.
Reserved.
PHS. Sets the HS Polarity.
YCMN[2:0]. Luma
comb mode, NTSC.
CCMN[2:0]. Chroma
comb mode, NTSC.
CTAPSN[1:0]. Chroma
comb taps, NTSC.
.
Rev. B | Page 80 of 100
7 6
0
0 0
0 0
0
1
0 0
0 1
1 0
1 1
0
0
5
0
0
0
0
1
0
1
1
1
1
4 3
0
0 0
0 0
0
0 0
0 0
0 1
1 0
1 1
Bits
0
0
1
2
0
0
0
0
0
1
1
1
1
1
0
1
0
0
0
0
0
1
1
0
0
0
0
0
1
0
0
1
0
1
Comments
HS output ends HSE[10:0]
pixels after the falling edge
of Hsync
Set to 0
HS output starts HSB[10:0]
pixels after the falling edge
of Hsync
Set to 0
Invert polarity
Normal polarity as per the
timing diagrams
Set to 0
Active high
Active low
Set to 0
Active high
Active low
Set to 0
Active high
Active low
Adaptive 3-line, 3-tap luma
Use low-pass notch
Fixed luma comb (2-line)
Fixed luma comb (3-Line)
Fixed luma comb (2-line)
3-line adaptive for
CTAPSN = 01
4-line adaptive for
CTAPSN = 10
5-line adaptive for
CTAPSN = 11
Disable chroma comb
Fixed 2-line for
CTAPSN = 01
Fixed 3-line for
CTAPSN = 10
Fixed 4-line for
CTAPSN = 11
Fixed 3-line for
CTAPSN = 01
Fixed 4-line for
CTAPSN = 10
Fixed 5-line for
CTAPSN = 11
Fixed 2-line for
CTAPSN = 01
Fixed 3-line for
CTAPSN = 10
Fixed 4-line for
CTAPSN = 11
Adapts 3 lines – 2 lines
Not used
Adapts 5 lines – 3 lines
Adapts 5 lines – 4 lines
Notes
Using HSB and
HSE,the user can
program the
position and length
of the output Hsync.
Top lines of memory.
All lines of memory.
Bottom lines of
memory.
Top lines of
memory.
All lines of memory.
Bottom lines of
memory.