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ADV7842 데이터시트 PDF




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기능 Dual HDMI 1.4 Fast Switching Receiver
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ADV7842 데이터시트, 핀배열, 회로
Dual HDMI Fast Switching Receiver with 12-Bit, 170 MHz
Video and Graphics Digitizer and 3D Comb Filter Decoder
ADV7842
FEATURES
Dual HDMI® 1.4a fast switching receiver
HDMI support
3D TV support
Content type bits
CEC 1.4-compatible
Extended colorimetry
256-ball, 17 mm × 17 mm BGA package
HDMI 225 MHz receiver
Xpressview fast switching of HDMI ports
3D video format support including frame packing 1080p
24 Hz, 720p 50 Hz, 720p 60 Hz
Full colorimetry support including sYCC601, Adobe RGB,
Adobe YCC 601
36-/30-bit Deep Color and 24-bit color support
HDCP 1.4 support with internal HDCP keys
Adaptive HDMI equalizer
Integrated CEC controller
HDMI repeater support
5 V detect and hot plug assert for each HDMI port
HDMI audio support including HBR and DSD
Advanced audio mute feature
Flexible digital audio output interfaces
Supports up to 5 S/PDIF outputs
Supports up to 4 I2S outputs
Video and graphics digitizer
Four 170 MHz, 12-bit ADCs
12-channel analog input mux
525i-/625i-component analog input
525p-/625p-component progressive scan support
720p-/1080i-/1080p-component HDTV support
Low refresh rates (24 Hz/25 Hz/30 Hz) support for
720p/1080p
Digitizes RGB graphics up to 1600 × 1200 at 60 Hz (UXGA)
SCART fast blank support
3D video decoder
NTSC/PAL/SECAM color standards support
NTSC/PAL 2D/3D motion detecting comb filter
Advanced time-base correction (TBC) with frame
synchronization
Interlaced-to-progressive conversion for 525i and 625i
IF compensation filters
Vertical peaking and horizontal peaking filters
Robust synchronization extraction for poor video source
Advanced VBI data slicer
General
Highly flexible 36-bit pixel output interface
Internal EDID RAM for HDMI and graphics
Dual STDI (standard identification) function support
Any-to-any, 3 × 3 color space conversion (CSC) matrix
2 programmable interrupt request output pins
Simultaneous analog processing and HDMI monitoring
APPLICATIONS
Advanced TVs
PDP HDTVs, LCD TVs (HDTV ready)
LCD/DLP® rear projection HDTVs
CRT HDTVs, LCoS™ HDTVs
AVR video receivers
LCD/DLP front projectors
HDTV STBs with PVR
Projectors
FUNCTIONAL BLOCK DIAGRAM
SCART
CVBS
SDRAM
CVBS
48
SCART RGB
+ CVBS
CVBS
YC
SD/PS
YPbPr
HD YPbPr
GRAPHICS
RGB
HDMI 1
HDMI 2
ADC
ADC
ADC
ADC
CVBS
SCART G
SCART B
SCART R
SDP
CVBS
3D YC
S-VIDEO
SCART
HS/VS
FIELD/DE
CLK
DATA
TMDS
DDC
TMDS
DDC
Y/G CP
YPbPr
525p/625p
Pb/B 720p/1080i
1080p/
Pr/R UXGA
RGB
HS/VS
FIELD/DE
CLK
DATA
36
DEEP
COLOR
HDMI Rx
4 I2S
S/PDIF
DSD
HBR
FAST
SWITCH
HDCP
KEYS
MCLK
SCLK
ADV7842
Figure 1.
HS/VS
FIELD/DE
CLK
36-BIT
YCbCr/RGB
AUDIO
OUTPUT 5
MCLK
SCLK
TO AUDIO
PROCESSOR
Rev. B
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113 ©2010-2011 Analog Devices, Inc. All rights reserved.




ADV7842 pdf, 반도체, 판매, 대치품
GENERAL DESCRIPTION
The ADV7842 is a high quality, single-chip, 2:1 multiplexed
HDMI™ receiver and graphics digitizer with an integrated
multiformat video decoder.
The ADV7842 incorporates a dual input HDMI 1.4-compatible
receiver that supports all HDTV formats up to 1080p and
display resolutions up to UXGA (1600 × 1200 at 60 Hz).
The ADV7842 incorporates Xpressview™ fast switching on both
input HDMI ports. Using the Analog Devices, Inc., hardware-
based HDCP engine that minimizes software overhead,
Xpressview technology allows fast switching between any
HDMI input ports in less than 1 second.
The ADV7842 supports all mandatory HDMI 1.4 3D TV formats
in addition to all HDTV formats up to 1080p, 36-bit Deep Color.
The ADV7842 also integrates an HDMI v1.4 CEC controller
that supports the capability discovery and control (CDC)
feature.
The ADV7842 offers a flexible audio output port for the audio
data decoded from the HDMI stream. HDMI audio formats,
including super audio CD (SACD) via DSD and HBR are
supported.
Each HDMI port has dedicated 5 V detect and hot plug assert
pins. The HDMI receiver also includes an integrated equalizer
that ensures robust operation of the interface with cable lengths
up to 30 meters. The HDMI receiver has advanced audio
functionality, such as a mute controller, that prevents audible
extraneous noise in the audio output.
ADV7842
The multiformat 3D comb filter decoder supports the conversion
of PAL, NTSC, and SECAM standards in the form of a composite
or an S-Video input signal into a digital ITU-R BT.656 format.
SCART and overlay functionality are enabled by the ability of the
ADV7842 to process CVBS and standard definition RGB signals
simultaneously.
The ADV7842 contains one main component processor (CP)
that processes YPbPr and RGB component formats, including
RGB graphics. The CP also processes the video signals from the
HDMI receiver. The ADV7842 can operate in dual HDMI and
analog input mode, thus allowing for fast switching between the
ADCs and HDMI.
The ADV7842 supports the decoding of a component RGB/
YPbPr video signal into a digital YCbCr or RGB pixel output
stream. The support for component video includes 525i, 625i,
525p, 625p, 720p, 1080i, 1080p, and 1250i standards, as well as
many other SMPTE and HD standards.
The ADV7842 supports graphics digitization. The ADV7842 is
capable of digitizing RGB graphics signals from VGA to UXGA
rates and converting them into a digital RGB or YCbCr pixel
output stream. Internal EDID is available for one graphic port.
Fabricated in an advanced CMOS process, the ADV7842 is
provided in a 17 mm × 17 mm, 256-ball, BGA, surface-mount,
RoHS-compliant package and is specified over the −10°C to
+70°C temperature range.
Rev. B | Page 3 of 28

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ADV7842 전자부품, 판매, 대치품
ADV7842
POWER SPECIFICATIONS
Table 2.
Parameter
POWER REQUIREMENTS
Digital Core Power Supply
Digital I/O Power Supply
SDRAM Power Supply
PLL Power Supply
Analog Power Supply
Terminator Power Supply
Comparator Power Supply
CURRENT CONSUMPTION1, 2, 3
Digital Core Supply Current
Symbol
VDD
DVDDIO
VDD_SDRAM
VDD_SDRAM
PVDD
AVDD
TVDD
CVDD
IVDD
Digital I/O Supply Current
IDVDDIO
Min Typ Max
1.75 1.8
3.14 3.3
3.2 3.3
2.35 2.5
1.71 1.8
1.71 1.8
3.14 3.3
1.71 1.8
1.85
3.46
3.4
2.65
1.89
1.89
3.46
1.89
155 220
148 196
285 343
163 176
216 273
194 230
332 378
57 72
197 224
270 289
404 435
51 109
41 129
45 117
27 32
22 150
9 11
10 11
8 11
8 11
10 11
10 12
Unit Test Conditions/Comments
V
V
V SDR memory
V DDR memory
V
V
V
V
mA Analog 1080p sampling at 148 MHz
mA RGB graphics sampling at 162 MHz
mA RGB graphics sampling at 162 MHz in simultaneous mode
with both background ports enabled
mA HDMI 1080p: 12-bit Deep Color
mA HDMI 1080p: 12-bit Deep Color in simultaneous mode with
both background ports enabled
mA CVBS processing
mA CVBS processing in simultaneous mode with both
background ports enabled
mA SD 576i component processing
mA SD 576i component processing in simultaneous mode with
both background ports enabled
mA SCART processing
mA SCART processing in simultaneous mode with both
background ports enabled
mA Analog 1080p sampling at 148 MHz
mA RGB graphics sampling at 162 MHz
mA RGB graphics sampling at 162 MHz in simultaneous mode
with both background ports enabled
mA HDMI 1080p: 12-bit Deep Color
mA HDMI 1080p: 12-bit Deep Color in simultaneous mode with
both background ports enabled
mA CVBS processing
mA CVBS processing in simultaneous mode with both
background ports enabled
mA SD 576i component processing
mA SD 576i component processing in simultaneous mode with
both background ports enabled
mA SCART processing
mA SCART processing in simultaneous mode with both
background ports enabled
Rev. B | Page 6 of 28

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