Rev. Spa Information Furnished by Analog Devices Is Believed to Be Accurate and Reliable

Quad HDMI Fast Switching Receiver with 12-Bit, 170 MHz Video and Graphics Digitizer and 3D Comb Filter Decoder ADV7844

FEATURES IF compensation filters Quad HDMI® 1.4 fast switching receiver Vertical peaking and horizontal peaking filters HDMI support Robust synchronization extraction for poor video source Audio return channel (ARC) Advanced VBI data slicer 3D TV support General Content type bits Highly flexible 36-bit pixel output interface CEC 1.4-compatible Internal EDID RAM for HDMI and graphics Extended colorimetry Dual STDI (standard identification) function support HDMI 225 MHz receiver Any-to-any, 3 × 3 color space conversion (CSC) matrix Xpressview fast switching of HDMI ports 2 programmable interrupt request output pins 2 ARC interfaces for ARC support Simultaneous analog processing and HDMI monitoring SPDIF interface for ARC support APPLICATIONS 3D video format support, including frame packing 1080p Advanced TVs 24 Hz, 720p 50 Hz, 720p 60 Hz PDP HDTVs Full colorimetry support including sYCC601, Adobe RGB, LCD TVs (HDTV ready) Adobe YCC 601 LCD/DLP® rear projection HDTVs 36-/30-bit Deep Color and 24-bit color support LCoS™ HDTVs HDCP 1.4 support with internal HDCP keys AVR video receivers 5 V detect and hot plug assert for each HDMI port HDTV STBs with PVR Adaptive HDMI equalizer Projectors Integrated CEC controller FUNCTIONAL BLOCK DIAGRAM HDMI repeater support SDRAM

HDMI audio support including HBR and DSD SCART Advanced audio mute feature CVBS CVBS 48 Flexible digital audio output interfaces SCART RGB CVBS + CVBS ADC HS/VS SDP Supports up to 5 S/PDIF outputs CVBS SCART G ADC CVBS FIELD/DE 2 3D YC Supports up to 4 I S outputs SCART B CLK HS/VS YC ADC S-VIDEO Video and graphics digitizer SCART DATA FIELD/DE SCART R SD/PS ADC Four 170 MHz, 12-bit ADCs YPbPr INPUT MUX CP HS/VS CLK Y/G 12-channel analog input mux YPbPr OUTPUT MUX HD YpbPr 525p/625p FIELD/DE 36-BIT YCbCr/RGB 525i-/625i-component analog input Pb/B 720p/1080i GRAPHICS CLK 525p-/625p-component progressive scan support RGB 1080p/ Pb/R UXGA DATA 720p-/1080i-/1080p-component HDTV support RGB Low refresh rates (24/25/30 Hz) support for 720p/1080p HDMI 1 TMDS 36 DDC 4 I2S AUDIO Digitizes RGB graphics up to 1600 × 1200 at 60 Hz (UXGA) HDMI 2 TMDS DEEP S/PDIF OUTPUT 5 DDC COLOR DSD HDMI Rx SCART fast blank support HDMI 3 TMDS HBR MCLK DDC 3D video decoder MCLK HDMI 4 TMDS FAST OUTPUT MUX SCLK NTSC/PAL/SECAM color standards support DDC SWITCH SCLK S/PDIF HDCP NTSC/PAL 2D/3D motion detecting comb filter ARC_1± KEYS ARC ADV7844 TO AUDIO Advanced time-base correction (TBC) with frame ARC_2± PROCESSOR

synchronization 08850-001 Figure 1. Interlaced-to-progressive conversion for 525i and 625i

For more information on the ADV7844, contact your local FAE or sales office.

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 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Tel: 781.329.4700 www.analog.com Trademarks and registered trademarks are the property of their respective owners. Fax: 781.461.3113 ©2010 Analog Devices, Inc. All rights reserved.

ADV7844

NOTES

I2C refers to a communications protocol originally developed by Phillips Semiconductors (now NXP Semiconductors). HDMI, the HDMI Logo, and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries.

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