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參數資料
| 型號： | ADV7183AKST |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 顏色信號轉換 |
| 英文描述： | Multiformat SDTV Video Decoder |
| 中文描述： | COLOR SIGNAL DECODER, PQFP80 |
| 封裝： | LEAD FREE, MS-026-BEC, LQFP-80 |
| 文件頁數： | 39/104頁 |
| 文件大?。?/td> | 894K |
| 代理商： | ADV7183AKST |
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ADV7183A
PAL Comb Filter Settings
Used for PAL-B/G/H/I/D, PAL-M, PAL-Combinational N, PAL-
60 and NTSC443 CVBS inputs.
Rev. A | Page 39 of 104
PSFSEL[1:0] Split Filter Selection PAL (SDP),
Address 0x19, [1:0]
The NSFSEL[1:0] control selects how much of the overall signal
bandwidth is fed to the combs. A wide split filter selection
eliminates dot crawl, but shows imperfections on diagonal lines.
The opposite is true for selecting a narrow bandwidth split filter.
Table 86. PSFSEL Function
PSFSEL[1:0]
00
01*
10
11
*Default value.
Description
Narrow
Medium
Wide
Widest
CTAPSP[1:0] Chroma Comb Taps PAL (SDP),
Address 0x39, [7:6]
Table 87. 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*
PAL chroma comb adapts 5 lines (5 taps) to
4 lines (4 taps); cancels cross luma and hue error
well.
*Default value.
CCMP[2:0] Chroma Comb Mode PAL (SDP), Address 0x39, [5:3]
Table 88. CCMP Function
CCMP[2:0]
Description
0xx*
Adaptive comb mode.
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.
100
101
Disable chroma comb.
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).
*Default value.
YCMP[2:0] Luma Comb Mode PAL (SDP), Address 0x39, [2:0]
Table 89. YCMP Function
YCMP[2:0]
Description
0xx*
Adaptive comb mode .
100
Disable luma comb.
101
Fixed luma comb (top lines of line memory).
110
Fixed luma comb (all lines of line memory).
111
Fixed luma comb (bottom lines of line memory).
*Default value.
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.
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相關代理商/技術參數 |
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|---|---|
| ADV7183AKST-U1 | 制造商:Analog Devices 功能描述:VID DECODER 80LQFP - Bulk |
| ADV7183AKST-X2 | 制造商:Analog Devices 功能描述:VID DECODER - Bulk |
| ADV7183AXST | 制造商:Analog Devices 功能描述:VIDEO DECODER I.C. - Bulk |
| ADV7183AXST-X2 | 制造商:Analog Devices 功能描述:VIDEO DECODER I.C. - Bulk |
| ADV7183AXT | 制造商:Analog Devices 功能描述:VIDEO DECODER I.C. - Bulk |
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