Datasheet

ADV7189B
Rev. B | Page 37 of 104
CTAPSP[1:0] Chroma Comb Taps PAL, Address 0x39[7:6]
Table 49. CTAPSP Function
CTAPSP[1:0] Description
00 Do not use.
01
PAL chroma comb adapts 5 lines (3 taps) to
3 lines (2 taps); cancels cross luma only.
10
PAL chroma comb adapts 5 lines (5 taps) to
3 lines (3 taps); cancels cross luma and hue error less well.
11 (default)
PAL chroma comb adapts 5 lines (5 taps) to
4 lines (4 taps); cancels cross luma and hue error well.
CCMP[2:0] Chroma Comb Mode PAL, Address 0x39[5:3]
Table 50. CCMP Function
CCMP[2:0] Description Configuration
Adaptive 3-line chroma comb for CTAPSP = 01.
Adaptive 4-line chroma comb for CTAPSP = 10.
0xx (default) Adaptive comb mode.
Adaptive 5-line chroma comb for CTAPSP = 11.
100 Disable chroma comb.
Fixed 2-line chroma comb for CTAPSP = 01.
Fixed 3-line chroma comb for CTAPSP = 10.
101 Fixed chroma comb (top lines of line memory).
Fixed 4-line chroma comb for CTAPSP = 11.
Fixed 3-line chroma comb for CTAPSP = 01.
Fixed 4-line chroma comb for CTAPSP = 10.
110 Fixed chroma comb (all lines of line memory).
Fixed 5-line chroma comb for CTAPSP = 11.
Fixed 2-line chroma comb for CTAPSP = 01.
Fixed 3-line chroma comb for CTAPSP = 10.
111 Fixed chroma comb (bottom lines of line memory).
Fixed 4-line chroma comb for CTAPSP = 11.
YCMP[2:0] Luma Comb Mode PAL, Address 0x39[2:0]
Table 51. YCMP Function
YCMP[2:0] Description Configuration
0xx (default) Adaptive comb mode. Adaptive 5 lines (3 taps) luma comb.
100 Disable luma comb. Use low-pass/notch filter, see the 196HY-Shaping Filter section.
101 Fixed luma comb (top lines of line memory). Fixed 3 lines (2 taps) luma comb.
110 Fixed luma comb (all lines of line memory). Fixed 5 lines (3 taps) luma comb.
111 Fixed luma comb (bottom lines of line memory). Fixed 3 lines (2 taps) luma comb.