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12-Bit, 170 MHz Video and Graphics Digitizer with 3D Comb Filter Decoder and Quad HDMI 1.3 Receiver
ADV7840
FEATURES
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 x 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 x 3 color space conversion (CSC) matrices 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(R) rear projection HDTVs CRT HDTVs LCoSTM 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 SCART CVBS SCART RGB + CVBS CVBS CVBS CVBS SDP SCART G CVBS 3D YC S-VIDEO SCART B SCART R SCART HS/VS FIELD/DE CLK HS/VS 48
DAC ADC ADC
INPUT MUX
OUTPUT MUX
YC SD/PS YPbPr
ADC ADC
36
FIELD/DE
Y/G HD YPbPr GRAPHICS RGB
CP
HS/VS FIELD/DE CLK 36
CLK 36-BIT YCbCr /RGB
YPbPr Pb/B 525p/625p 720p/1080i 1080p/UXGA Pr/R RGB TMDS DDC TMDS DDC TMDS DDC TMDS DDC 36 V1.3 DEEP COLOR HDMI Rx HDCP KEYS 4
HDMI 1 HDMI 2 HDMI 3 HDMI 4
I2S SPDIF DSD
07748-001
ADV7840
TO AUDIO PROCESSOR
Figure 1.
For more information about the ADV7840, contact Analog Devices, Inc., at video.products@analog.com.
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 (c)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.
(c)2009 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D07748F-0-7/09(SpA)
Rev. SpA | Page 2 of 2

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