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ADV7184
Address
Rev. 0 | Page 82 of 108
Register
Bit Description
VSEHO
Bit
Notes
7 6 5 4 3 2
0
1 0 Comments
VS goes low in the middle of the line
(odd field)
VS changes state at the start of the
line odd field
0
0 HS output ends HSE[10:0] pixels
after the falling edge of HSYNC
1
HSE[10:8]. HS end allows the positioning of
the HS output within the video line.
0
Using HSB and HSE the user
can program the position and
length of the output HSYNC
Reserved.
HSB[10:8]. HS begin allows the positioning
of the HS output within the video line.
Reserved.
HSB[7:0]. See above, using HSB[10:0] and
HSE[10:0], the user can program the
position and length of HS output signal.
HSE[7:0]. See above.
PCLK. Sets the polarity of LLC1.
0 0 0
0
Set to 0
HS output starts HSB[10:0] pixels
after the falling edge of HSYNC
Set to 0
0
0x34
HS Position Control 1
0
0 0 0 0 0 0
1
0x35
HS Position Control 2
0x36
0x37
HS Position Control 3
Polarity
0 0 0 0 0 0
0
0
0 Invert polarity
1 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
0 Adaptive 3-line, 3-tap luma
0 Use low-pass notch
1 Fixed luma comb (2-line)
0 Fixed luma comb (3-Line)
1 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
Not used
Adapts 3 lines – 2 lines
Adapts 5 lines – 3 lines
Adapts 5 lines – 4 lines
0 Adaptive 5-line, 3-tap luma comb
0 Use low-pass notch
0 Fixed luma comb
0 Fixed luma comb (5-line)
1 Fixed luma comb (3-line)
3-line adaptive for CTAPSP = 01
4-line adaptive for CTAPSP = 10
5-line adaptive for CTAPSP = 11
Disable chroma comb
Fixed 2-line for CTAPSP = 01
Fixed 3-line for CTAPSP = 10
Fixed 4-line for CTAPSP = 11
Fixed 3-line for CTAPSP = 01
Fixed 4-line for CTAPSP = 10
Fixed 5-line for CTAPSP = 11
Fixed 2-line for CTAPSP = 01
Fixed 3-line for CTAPSP = 10
Fixed 4-line for CTAPSP = 11
Reserved.
PF. Sets the FIELD polarity.
0
1
0
0
1
0
0
1
0
0
0
0
0
1
1
Reserved.
PVS. Sets the VS Polarity.
Reserved.
PHS. Sets HS Polarity.
0
1
1
1
1
0 0 0
Top lines of memory
All lines of memory
Bottom lines of memory
YCMN[2:0]. Luma Comb Mode, NTSC.
1 0 0
1 0 1
Top lines of memory
1 1 0
All lines of memory
CCMN[2:0]. Chroma Comb Mode, NTSC.
1 1 1
Bottom lines of memory
0 0
0 1
1 0
1 1
0
1
1
1
1
0
0
1
1
1
Top lines of memory
All lines of memory
Bottom lines of memory
0x38
NTSC Comb Control
CTAPSN[1:0]. Chroma Comb Taps, NTSC.
0 0 0
YCMP[2:0]. Luma Comb mode, PAL.
1 0 0
1 0 1
Top lines of memory
1 1 0
All lines of memory
0x39
PAL Comb Control
CCMP[2:0]. Chroma Comb mode, PAL.
1 1 1
Bottom lines of memory