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參數(shù)資料
| 型號： | ML6460 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | CCIR656 NTSC Video Encoder(CCIR656標(biāo)準(zhǔn)NTSC視頻編碼器) |
| 中文描述： | CCIR656 NTSC視頻編碼器（CCIR656標(biāo)準(zhǔn)NTSC制式視頻編碼器） |
| 文件頁數(shù)： | 1/30頁 |
| 文件大?。?/td> | 217K |
| 代理商： | ML6460 |
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GENERAL DESCRIPTION
The ML6460 is a multi-standard CCIR656 (4:2:2) video
(input) composite and S-video (outputs) encoder for NTSC
systems. It is designed to provide a low cost, single-chip
output interface for a variety of video applications
including set-top decoders, DVD players, and other YCrCb
to Y/C equipment.
The ML6460 accepts 8-bit YCrCb video in either CCIR656
or Square Pixel format and generates analog Y, C and CV
waveforms complete with Macrovision copy protection
technology and Closed Caption encoding.
The ML6460 includes output analog reconstruction filters,
phase equalizer, and 6dB (2X gain) drivers. Gain scaling,
sync, and Y+C mixing are performed at the output of the
that require additional DAC bits. The result is Y SNR and
granularity remain precisely the same as the source.
The ML6460 supports both master and slave timing
operations. S-Video and multiple composite signals can
be driven simultaneously into 75
loads.
BLOCK DIAGRAM
FEATURES
I
Macrovision copy protection technology
I
Closed Caption VBI encoder for line 21 and 284
I
Handles SAV/EAV codes for CCIR656 Video
I
Single clock input: 27MHz CCIR656, 24.54MHz Sq. Pix.
I
Color subcarrier correction for overlay applications
I
Onboard analog 7th-order reconstruction filters and 6dB
drivers with differential gain/phase of 0.5%/0.5o
I
Y, C, CV outputs drive both AC or DC coupled loads
I
Multiple 75
line drivers for two composite outputs,
channel modulator, and S-Video
I
2-wire serial control bus, or selectable presets for stand-
alone operation
I
Handles Japanese NTSC signals
February 1999
PRELIMINARY
ML6460
CCIR656 NTSC Video Encoder with Macrovision
YCRCB0
21
YCRCB1
20
YCRCB2
19
YCRCB3
18
YCRCB4
17
YCRCB5
13
YCRCB6
12
YCRCB7
11
HSYNC
10
FIELD
SCLK
22
SDATA
23
7
DVCC1
8
DGNDI
15
DGND2
PRESET1
5
PHERR
14
DVCC2
2
AGND1
1
AVCC1
24
AGND2
25
AVCC2
VSYNC
9
YOUT
27
CVOUT
26
6dB
6dB
DELAY
COMPEN-
SATION
LUMA
BLANKING
TIMING
GENERATOR
(SAV/EAV)
MACROVISION COPY PROTECTION
TECHNOLOGY
CLOSED
CAPTIONING
BURST
INSERTION
COLOR
SPACE
CONVERTER
CHROMA
BANDLIMIT
FILTER
CHROMA
BLANKING
PHASE
ACCUMULATOR
SUBCARRIER
GENERATION
U
S
LUMA
RECONSTRUCTION
FILTER
(FIR)
10 BIT
UP
SAMPLER
UP
SAMPLER
REFERENCE
GENERATOR
CHROMA
RECONSTRUCTION
FILTER
(FIR)
YDAC
Σ
+
Σ
+
CDAC
7th ORDER
ANALOG
FILTER
WITH
GROUP DELAY
EQUALIZATION
7th ORDER
ANALOG
FILTER
WITH
GROUP DELAY
EQUALIZATION
MULTIPLYING
ACCUMULATOR
NEGATIVE
SYNC DAC
POSITIVE
SYNC DAC
6dB
COUT
28
8
4
PRESET0
3
6
OVERLAY
INTERFACE
SERIAL
INTERFACE
16
CLK
I
REV. 1.0 10/25/2000
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相關(guān)代理商/技術(shù)參數(shù) |
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| ML6461CS | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:NTSC Video Encoder |
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