AD ADV7842

Dual HDMI 1.4 Fast Switching Receiver with 12-Bit, 170 MHz
Video and Graphics Digitizer and 3D Comb Filter Decoder
ADV7842
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
SDRAM
SCART RGB
+ CVBS
ADC
CVBS
YC
SD/PS
YPbPr
48
CVBS
ADC
ADC
ADC
CVBS
SCART G
SCART B
SCART R
HS/VS
SDP
CVBS
3D YC
S-VIDEO
SCART
FIELD/DE
CLK
DATA
HS/VS
CP
YPbPr
525p/625p
Pb/B 720p/1080i
1080p/
Pr/R
UXGA
RGB
Y/G
HD YPbPr
GRAPHICS
RGB
OUTPUT MUX
SCART
CVBS
FIELD/DE
HS/VS
FIELD/DE
CLK
36-BIT
YCbCr/RGB
CLK
DATA
36
HDMI 2
TMDS
DDC
TMDS
DDC
4
I 2S
S/PDIF
DEEP
COLOR
HDMI Rx
DSD
HBR
MCLK
FAST
SWITCH
HDCP
KEYS
SCLK
ADV7842
AUDIO
OUTPUT 5
MCLK
SCLK
TO AUDIO
PROCESSOR
08849-001
HDMI 1
OUTPUT MUX
Dual HDMI 1.4 fast switching receiver
170 MHz video and graphics digitizer
3D comb filter video decoder
SCART fast blank support
Adaptive HDMI equalizer
Integrated CEC controller
HDMI repeater support
Advanced VBI data slicer
256-ball, 17 mm × 17 mm BGA package
2:1 HDMI 1.4 225 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
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)
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
INPUT MUX
FEATURES
Figure 1.
For more information on the ADV7842, email Analog Devices, Inc., at [email protected]
Rev. Sp0
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.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
www.analog.com
Tel: 781.329.4700
Fax: 781.461.3113
©2010 Analog Devices, Inc. All rights reserved.
ADV7842
NOTES
©2010 Analog Devices, Inc. All rights reserved. Trademarks and
registered trademarks are the property of their respective owners.
D08849F-0-6/10(Sp0)
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