ADV7180KCP32Z Analog Devices Inc, ADV7180KCP32Z Datasheet - Page 40
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ADV7180KCP32Z
Manufacturer Part Number
ADV7180KCP32Z
Description
10-bit 4x Oversampling SDTV Decoder
Manufacturer
Analog Devices Inc
Type
Video Decoderr
Datasheet
1.ADV7180BSTZ.pdf
(116 pages)
Specifications of ADV7180KCP32Z
Design Resources
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)
Applications
Digital Cameras, Mobile Phones, Portable Video
Voltage - Supply, Analog
1.71 V ~ 1.89 V
Voltage - Supply, Digital
1.65 V ~ 2 V
Mounting Type
Surface Mount
Package / Case
32-LFCSP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
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Manufacturer
Quantity
Price
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Manufacturer:
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Quantity:
13 400
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Part Number:
ADV7180KCP32Z-RL
Manufacturer:
ANALOGDEVICES
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ADV7180
COMB FILTERS
The comb filters of the ADV7180 have been greatly improved to
automatically handle video of all types, standards, and levels of
quality. The NTSC and PAL configuration registers allow the
user to customize the comb filter operation depending on which
video standard is detected (by autodetection) or selected (by
manual programming). In addition to the bits listed in this
section, there are some other internal controls (based on
Analog Devices proprietary algorithms); contact local Analog
Devices field engineers for more information.
CTAPSN[1:0], Chroma Comb Taps, NTSC, Address 0x38[7:6]
Table 54. CTAPSN Function
CTAPSN[1:0]
00
01
10 (default)
11
CCMN[2:0], Chroma Comb Mode, NTSC, Address 0x38[5:3]
Table 55. CCMN Function
CCMN[2:0]
000 (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
Do not use
NTSC chroma comb adapts three lines (three taps) to two lines (two taps)
NTSC chroma comb adapts five lines (five taps) to three lines (three taps)
NTSC chroma comb adapts five lines (five taps) to four lines (four taps)
Rev. F | Page 40 of 116
NTSC Comb Filter Settings
These settings are used for NTSC M/J CVBS inputs.
NSFSEL[1:0], Split Filter Selection NTSC, Address 0x19[3:2]
The NSFSEL[1:0] control selects how much of the overall signal
bandwidth is fed to the combs. A narrow split filter selection
results in better performance on diagonal lines but more dot
crawl in the final output image. The opposite is true for selecting
a wide bandwidth split filter.
Table 53. NSFSEL Function
NSFSEL[1:0]
00 (default)
01
10
11
Configuration
Adaptive three-line chroma comb for CTAPSN = 01
Adaptive four-line chroma comb for CTAPSN = 10
Adaptive five-line chroma comb for CTAPSN = 11
Fixed two-line chroma comb for CTAPSN = 01
Fixed three-line chroma comb for CTAPSN = 10
Fixed four-line chroma comb for CTAPSN = 11
Fixed three-line chroma comb for CTAPSN = 01
Fixed four-line chroma comb for CTAPSN = 10
Fixed five-line chroma comb for CTAPSN = 11
Fixed two-line chroma comb for CTAPSN = 01
Fixed three-line chroma comb for CTAPSN = 10
Fixed four-line chroma comb for CTAPSN = 11
Description
Narrow
Medium
Medium
Wide