Analog Devices ADV7181BCP Manual page 35

CTAPSP[1:0] Chroma Comb Taps PAL, Address 0x39[7:6]
Table 48. CTAPSP Function
CTAPSP[1:0]
00
01
10
11 (default)
CCMP[2:0] Chroma Comb Mode PAL, Address 0x39[5:3]
Table 49. CCMP Function
CCMP[2:0] Description
0xx (default) Adaptive comb mode
100 Disable chroma comb
101 Fixed chroma comb (top lines of line memory)
110 Fixed chroma comb (all lines of line memory)
111 Fixed chroma comb (bottom lines of line memory)
YCMP[2:0] Luma Comb Mode PAL, Address 0x39[2:0]
Table 50. YCMP Function
YCMP[2:0]
0xx (default)
100
101
110
111
Downloaded from Elcodis.com electronic components distributor
Description
Do not use
PAL chroma comb adapts 5 lines (3 taps) to
3 lines (2 taps); cancels cross luma only
PAL chroma comb adapts 5 lines (5 taps) to
3 lines (3 taps); cancels cross luma and hue error less well
PAL chroma comb adapts 5 lines (5 taps) to
4 lines (4 taps); cancels cross luma and hue error well
Description
Adaptive comb mode.
Disable luma comb
Fixed luma comb (top lines of line memory)
Fixed luma comb (all lines of line memory)
Fixed luma comb (bottom lines of line memory)
Configuration
Adaptive 3-line chroma comb for CTAPSP = 01
Adaptive 4-line chroma comb for CTAPSP = 10
Adaptive 5-line chroma comb for CTAPSP = 11
Fixed 2-line chroma comb for CTAPSP = 01
Fixed 3-line chroma comb for CTAPSP = 10
Fixed 4-line chroma comb for CTAPSP = 11
Fixed 3-line chroma comb for CTAPSP = 01
Fixed 4-line chroma comb for CTAPSP = 10
Fixed 5-line chroma comb for CTAPSP = 11
Fixed 2-line chroma comb for CTAPSP = 01
Fixed 3-line chroma comb for CTAPSP = 10
Fixed 4-line chroma comb for CTAPSP = 11
Configuration
Adaptive 5 lines (3 taps) luma comb
Use low-pass/notch filter; see the Y-Shaping Filter section
Fixed 3 lines (2 taps) luma comb
Fixed 5 lines (3 taps) luma comb
Fixed 3 lines (2 taps) luma comb
Rev. B | Page 35 of 100
ADV7181B