參數(shù)資料
型號： ADV7188BSTZ
廠商： Analog Devices Inc
文件頁數(shù)： 50/112頁
文件大?。?/td> 0K
描述： IC DECODER VID MULTIFORM 80LQFP
標準包裝： 1
類型： 視頻解碼器
應(yīng)用： 機頂盒，視頻播放器，錄音機
電壓 - 電源，模擬： 3.15 V ~ 3.45 V
電壓 - 電源，數(shù)字： 1.65 V ~ 2 V
安裝類型： 表面貼裝
封裝/外殼： 80-LQFP
供應(yīng)商設(shè)備封裝： 80-LQFP（14x14）
包裝： 托盤
ADV7188
Rev. A | Page 42 of 112
PAL Comb Filter Settings
Used for PAL B/G/H/I/D, PAL M, PAL Combinational N,
PAL 60, and NTSC 4.43 CVBS inputs.
PSFSEL [1:0], Split Filter Selection PAL, Address 0x19 [1:0]
PFSEL [1:0] selects how much of the overall signal bandwidth is
fed to the combs. A wide bandwidth split filter eliminates dot
crawl, but shows imperfections on diagonal lines. The opposite
is true for a narrow bandwidth split filter.
Table 54. PSFSEL [1:0] Function
PSFSEL [1:0]
Description
00
Narrow
01 (default)
Medium
10
Wide
11
Widest
CTAPSP [1:0], Chroma Comb Taps PAL, Address 0x39 [7:6]
Table 55. CTAPSP [1:0] Function
CTAPSP [1:0]
Description
00
Do not use.
01
PAL chroma comb adapts five lines (three taps)
to three lines (two taps); cancels cross luma only.
10
PAL chroma comb adapts five lines (five taps) to
three lines (three taps); cancels cross luma and
hue error less well.
11 (default)
PAL chroma comb adapts five lines (five taps) to
four lines (four taps); cancels cross luma and hue
error well.
CCMP [2:0], Chroma Comb Mode PAL, Address 0x39 [5:3]
Table 56. CCMP [2:0] Function
CCMP
[2:0]
Description
Configuration
Adaptive 3-line chroma
comb for CTAPSP = 01
Adaptive 4-line chroma
comb for CTAPSP = 10
000
(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 57. YCMP [2:0] Function
YCMP
[2:0]
Description
Configuration
0xx
(default)
Adaptive comb mode
Adaptive 5-line, 3-tap
luma comb
100
Disable luma comb
Use low-pass/notch filter
section)
101
Fixed luma comb
(top lines of line memory)
Fixed 3-line, 2-tap
luma comb
110
Fixed luma comb
(all lines of line memory)
Fixed 5-line, 3-tap
luma comb
111
Fixed luma comb
(bottom lines of line
memory)
Fixed 3-line, 2-tap
luma comb
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