參數(shù)資料
型號(hào): ADV7180BSTZ-REEL
廠商: Analog Devices Inc
文件頁數(shù): 55/116頁
文件大?。?/td> 0K
描述: IC VIDEO DECODER SDTV 64-LQFP
產(chǎn)品變化通告: ADV7180 Metal Mask Edit 22/Oct/2009
設(shè)計(jì)資源: Low Cost Differential Video Receiver Using ADA4851 Amplifier and ADV7180 Video Decoder (CN0060)
Low Cost Video Multiplexer for Video Switching Using ADA4853-2 Op Amp with Disable Function (CN0076)
標(biāo)準(zhǔn)包裝: 1
類型: 視頻解碼器
應(yīng)用: 數(shù)碼相機(jī),手機(jī),便攜式視頻
安裝類型: 表面貼裝
封裝/外殼: 64-LQFP
供應(yīng)商設(shè)備封裝: 64-LQFP(10x10)
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: ADV7180BSTZ-REELDKR
Data Sheet
ADV7180
Rev. I | Page 43 of 116
YCMN[2:0], Luma Comb Mode NTSC, Address 0x38[2:0]
Table 56. YCMN Function
YCMN[2:0]
Description
Configuration
000 (default)
Adaptive comb mode
Adaptive three-line
(three taps) luma comb
100
Disable luma comb
Use low-pass/notch
filter; see the Y Shaping
Filter section
101
Fixed luma comb (top
lines of line memory)
Fixed two-line (two
taps) luma comb
110
Fixed luma comb (all
lines of line memory)
Fixed three-line (three
taps) luma comb
111
Fixed luma comb
(bottom lines of line
memory)
Fixed two-line (two
taps) luma comb
PAL Comb Filter Settings
These settings are 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]
The PSFSEL[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 57. PSFSEL 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 58. CTAPSP 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 59. CCMP Function
CCMP[2:0]
Description
Configuration
000 (default)
Adaptive comb mode
Adaptive three-line
chroma comb for
CTAPSN = 01
Adaptive four-line
chroma comb for
CTAPSN = 10
Adaptive five-line
chroma comb for
CTAPSN = 11
100
Disable chroma comb
101
Fixed chroma comb
(top lines of line
memory)
Fixed two-line chroma
comb for CTAPSN = 01
Fixed three-line chroma
comb for CTAPSN = 10
Fixed four-line chroma
comb for CTAPSN = 11
110
Fixed chroma comb (all
lines of line memory)
Fixed three-line chroma
comb for CTAPSN = 01
Fixed four-line chroma
comb for CTAPSN = 10
Fixed five-line chroma
comb for CTAPSN = 11
111
Fixed chroma comb
(bottom lines of line
memory)
Fixed two-line chroma
comb for CTAPSN = 01
Fixed three-line chroma
comb for CTAPSN = 10
Fixed four-line chroma
comb for CTAPSN = 11
YCMP[2:0], Luma Comb Mode PAL, Address 0x39[2:0]
Table 60. YCMP Function
YCMP[2:0]
Description
Configuration
000 (default)
Adaptive comb mode
Adaptive five lines (three
taps) luma comb
100
Disable luma comb
Use low-pass/notch filter;
section
101
Fixed luma comb (top
lines of line memory)
Fixed three lines (two
taps) luma comb
110
Fixed luma comb (all
lines of line memory)
Fixed five lines (three
taps) luma comb
111
Fixed luma comb
(bottom lines of line
memory)
Fixed three lines (two
taps) luma comb
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