Quad HDMI 1.4 Fast Switching Receiver with 12-Bit, 170 MHz Video and Graphics Digitizer and 3D Comb Filter Decoder ADV7844 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 SD/PS YPbPr 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/ Pb/R UXGA RGB Y/G HD YpbPr GRAPHICS RGB HDMI 1 TMDS DDC HDMI 2 TMDS DDC HDMI 3 HDMI 4 S/PDIF ARC_1± ARC_2± TMDS DDC TMDS DDC ARC FIELD/DE HS/VS FIELD/DE CLK 36-BIT YCbCr/RGB CLK DATA 36 4 I 2S S/PDIF DEEP COLOR HDMI Rx DSD HBR MCLK FAST SWITCH HDCP KEYS SCLK ADV7844 AUDIO OUTPUT 5 MCLK SCLK TO AUDIO PROCESSOR 08850-001 ADC CVBS YC 48 CVBS SCART RGB + CVBS OUTPUT MUX SCART CVBS OUTPUT MUX Quad 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 4:1 HDMI 1.4 225 MHz receiver Xpressview™ fast switching of HDMI ports 2 ARC interfaces for ARC support SPDIF interface for ARC support 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 (24/25/30 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 ADV7844, 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. ADV7844 NOTES ©2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D08850F-0-6/10(Sp0) Rev. Sp0 | Page 2 of 2