AD ADV7840

12-Bit, 170 MHz Video and Graphics Digitizer with 3D
Comb Filter Decoder and Quad HDMI 1.3 Receiver
ADV7840
3 programmable interrupt request output pins
Advanced synchronization processing for robust
synchronization extraction for poor video sources
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
CRT HDTV
Projectors
DVD recorders with progressive scan input support
FUNCTIONAL BLOCK DIAGRAM
SDRAM
DAC
SCART RGB
+ CVBS
ADC
CVBS
YC
SD/PS
YPbPr
ADC
ADC
ADC
CVBS
48
CVBS
SCART B
36
SCART R
TMDS
DDC
HDMI 2
TMDS
DDC
HDMI 3
TMDS
DDC
HDMI 4
HS/VS
CP
YPbPr
Pb/B 525p/625p
720p/1080i
1080p/UXGA
Pr/R
RGB
GRAPHICS
RGB
TMDS
DDC
FIELD/DE
CLK
SCART
Y/G
HD YPbPr
HDMI 1
HS/VS
SDP
SCART G CVBS 3D YC
S-VIDEO
HS/VS
FIELD/DE
CLK
FIELD/DE
CLK
36-BIT YCbCr
/RGB
36
36
I2S
4
V1.3
DEEP
COLOR
HDMI Rx
SPDIF
DSD
HDCP
KEYS
ADV7840
TO AUDIO
PROCESSOR
07748-001
SCART
CVBS
OUTPUT MUX
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
Digitizes RGB graphics up to 1600 × 1200 at 60 Hz (UXGA)
HDMI/graphics and composite processing
Simultaneous HDMI and graphics synchronization
processing
NTSC/PAL/SECAM color standards support
NTSC/PAL 3D comb filter
3D digital noise reduction (DNR)
Advanced time-base correction (TBC) with frame
synchronization
Interlaced-to-progressive conversion for 525i and 625i
Advanced VBI data slicer, including teletext, CC, and V-chip
IF compensation filter
Analog monitor output
SCART fast blank support, including slow switch detect
Programmable internal antialias filters
Support for weak, poor time base and nonstandard input
signals
Vertical peaking, horizontal peaking, CTI, and LTI
Quad HDMI receiver
4:1 multiplexed HDMI receiver
HDMI 1.3, DVI 1.0
225 MHz HDMI receiver
Repeater support
High-bandwidth Digital Content Protection (HDCP 1.3)
36-/30-bit Deep Color and 24-bit color support
HDMI 1.3-compatible audio interface
S/PDIF (IEC90658-compatible) digital audio output
Programmable equalizer for cable lengths up to 30 meters
Internal EDID RAM
General
Highly flexible output interface
36-bit 4:4:4 pixel output interface
Dual STDI function support standard identification
2 any-to-any, 3 × 3 color space conversion (CSC) matrices
INPUT MUX
FEATURES
Figure 1.
For more information about the ADV7840, contact Analog Devices, Inc., at [email protected]
Rev. SpA
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
©2009 Analog Devices, Inc. All rights reserved.
ADV7840
NOTES
Purchase of licensed I2C components of Analog Devices or one of its sublicensed Associated Companies conveys a license for the purchaser under the Philips I2C Patent
Rights to use these components in an I2C system, provided that the system conforms to the I2C Standard Specification as defined by Philips.
©2009 Analog Devices, Inc. All rights reserved. Trademarks and
registered trademarks are the property of their respective owners.
D07748F-0-7/09(SpA)
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