adv7189b Analog Devices, Inc., adv7189b Datasheet - Page 37

• Manufacturer Part Number: adv7189b
• Description: Multiformat Sdtv Video Decoder
• Manufacturer: Analog Devices, Inc.

CTAPSP[1:0] Chroma Comb Taps PAL, Address 0x39[7:6]
Table 49. CTAPSP Function
CTAPSP[1:0]
00
01
10
11 (default)
CCMP[2:0] Chroma Comb Mode PAL, Address 0x39[5:3]
Table 50. CCMP Function
CCMP[2:0]
0xx (default)
100
101
110
111
YCMP[2:0] Luma Comb Mode PAL, Address 0x39[2:0]
Table 51. YCMP Function
YCMP[2:0]
0xx (default)
100
101
110
111
Description
Adaptive comb mode.
Disable chroma comb.
Fixed chroma comb (top lines of line memory).
Fixed chroma comb (all lines of line memory).
Fixed chroma comb (bottom lines of line memory).
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).
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.
Rev. B | Page 37 of 104
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
Fixed 3 lines (2 taps) luma comb.
Fixed 5 lines (3 taps) luma comb.
Fixed 3 lines (2 taps) luma comb.
Y -Shaping Filter section.
1 9 6 H
ADV7189B