Complete AV Front End Data Sheet ADV7850

1 Complete AV Front End data Sheet ADV7850 . FEATURES Audio codec Main features 24-bit, 48 kHz stereo codec 4-port HDMI Xpressview receiver 5-channel stereo analog input mux with a stereo output 170 MHz video and graphics digitizer General Complete 3D comb video decoder Internal EDID RAM for HDMI and graphics Stereo audio codec Dual STDI (standard identification) function support for High speed serial output (TMDS) dual input detection HDMI support Simultaneous analog processing and HDMI monitoring for 3D TV support fast input switching Audio return channel (ARC) APPLICATIONS. Extended colorimetry, including sYCC601, Adobe RGB, HDTVs, set-top boxes, AV receivers, projectors, video matrix Adobe YCC 601, and xvYCC extended gamut color switchers 4:1 HDMI 297 MHz receiver Fast switching of HDMI ports (Xpressview) FUNCTIONAL BLOCK DIAGRAM.

2 3D TV video format support DDR2 SDRAM. HDCP support with internal HDCP keys CVBS 2/YC. Adaptive HDMI equalizer Full HDCP repeater support SCART RGB. ADC. CVBS. + CVBS. VIDEO INPUT MUX. S/PDIF interface for 4 single-mode ARC outputs CVBS SCART G. SDP HS/VS/DE. ADC CVBS. Up to 36-bit Deep Color support SCART B. 3D COMB CLK. YC ADC YC data . Complete HDMI audio support SCART. HDMI Tx YPbPr SCART R. Audio extraction available ADC HDMI. GRAPHICS. Support for up to 16 VSIs (including THX Media Director ) RGB Y/G. CP. YPbPr HS/VS/DE. High speed serial output (TMDS 297 MHz) AUDIO L/R. 525p/625p Pb/B 720p/1080i CLK. AUDIO IN MUX. Full transmitter support including encryption 5. 1080p/ data . Pb/R UXGA. Can operate in a transceiver configuration AUDIO L/R. RGB. Audio insertion available ADC.

3 Video and graphics digitizer AUDIO L/R I2S INTERFACE. DAC. Digitizes RGB graphics up to 1600 1200 at 60 Hz (UXGA) HP L/R. SD, ED, and HD TV support up to 1080p at 60 Hz HDMI 1 TMDS 36. Low refresh rates (24 Hz/25 Hz/30 Hz) support for DDC 4 I2S AUDIO. OUTPUT 5. HDMI 2 DEEP S/PDIF. OUTPUT MUX. 720p/1080p TMDS. DDC COLOR DSD/DST. HDMI Rx MCLK. 13-channel analog video input channels with 2 outputs HDMI 3 TMDS HBR. DDC. 3D comb video decoder HDMI 4. MCLK SCLK. TMDS FAST. SCLK. Full NTSC/PAL/SECAM color standards support DDC SWITCH. HDCP. Adaptive 3D comb filter video decoder ARC KEYS. 4 S/PDIF. ARC. Advanced time-base correction (TBC) with frame 5V HDMI + VGA. synchronization for SD formats 5 5V EDID SPI ADV7850 . REG INTERFACE. Complete SCART support Advanced VBI data slicer 07758-001.

4 IF compensation filters EDID EPROM. Figure 1. Rev. 0. 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, Box 9106, Norwood, MA 02062-9106, license is granted by implication or otherwise under any patent or patent rights of analog devices . Tel: Trademarks and registered trademarks are the property of their respective owners. Fax: 2012 analog devices , Inc. All rights reserved. ADV7850 data Sheet TABLE OF CONTENTS. Features .. 1 Power-Up Sequence .. 24. Applications .. 1 Power-Down 24. Functional Block Diagram.

5 1 Power Supply requirements .. 24. Revision History .. 2 Functional 25. General Description .. 3 HDMI 25. Detailed Functional Block Diagram .. 4 analog Front End .. 25. 5 Standard Definition Processor .. 26. Electrical Characteristics .. 5 Component Processor .. 26. Power Specifications .. 6 VBI data Processor (VDP) .. 27. analog Specifications .. 7 TMDS Output .. 27. Video Specifications .. 9 External Memory Requirements .. 27. Timing Characteristics .. 10 Other Features .. 27. Timing 11 Audio 28. Absolute Maximum Ratings .. 13 analog Audio MUX Functionality .. 28. Package Thermal Performance .. 13 Audio Codec Functionality .. 28. ESD Caution .. 13 Register Map Architecture .. 29. Pin Configuration and Function Descriptions .. 14 Outline Dimensions.

6 30. Power Supply Sequencing .. 24 Ordering Guide .. 30. REVISION HISTORY. 5/12 Revision 0: Initial Version Rev. 0 | Page 2 of 32. data Sheet ADV7850 . GENERAL DESCRIPTION. The ADV7850 is a high quality, single chip, multiformat video also includes an integrated equalizer that ensures robust opera- decoder graphics digitizer with an integrated 4:1 multiplexed tion of the interface with cable lengths up to 30 meters. The HDMI. HDMI receiver. receiver has advanced audio functionality, such as a mute flag, that prevents audible extraneous noise in the audio output. This multiformat 3D comb filter decoder supports the conversion of PAL, NTSC, and SECAM standards in the form of a composite In addition, the HDMI receiver incorporates internal EDID. or an S-Video input signal into a HDMI output stream.

7 SCART support, which can be made available in full power, power- and overlay functionality are enabled by the ability of the down, and power-off modes. An internal regulator supplies ADV7850 to process CVBS and standard definition RGB signals external EDID memory from the HDMI 5 V signal in power- simultaneously. off mode. The ADV7850 contains one main component processor (CP) The ADV7850 incorporates Xpressview fast switching on all that processes YPrPb and RGB component formats, including HDMI input ports. Using the analog devices , Inc., hardware- RGB graphics. The ADV7850 can operate in quad HDMI and based HDCP engine that minimizes software overhead, analog input mode, thus allowing for fast switching between the Xpressview technology allows fast switching between any two analog video inputs and HDMI.

8 HDMI input ports in less than 1 second. The ADV7850 supports the decoding of a component RGB/ The ADV7850 offers a flexible audio output port for the audio YPrPb video signal into a HDMI output stream. The support data decoded from the HDMI stream. HDMI audio formats, for component video includes 525i, 625i, 525p, 625p, 720p, including super audio CD (SACD) via DSD, DST, and HBR are 1080i, 1080p, and 1250i standards, as well as many other supported. SMPTE and HD standards. The ADV7850 also features the single mode audio return The ADV7850 supports graphics digitization. The ADV7850 is channel (ARC) feature. ARC simplifies cabling by combining capable of digitizing RGB graphics signals from VGA to UXGA upstream audio capability in a conventional HDMI cable.

9 Rates and converting them into an HDMI output stream. Internal The stereo audio ADC converts analog audio inputs and EDID RAM is available for one graphics port. provides the data to the back end via the HDMI interface. The The ADV7850 incorporates a quad input HDMI-compatible stereo audio DAC receives I2S data from the back end and receiver that supports all HDTV formats up to 3D 1080p 60 Hz converts it to analog audio output. The audio output is available and 2160P 24 Hz. as both high impedance and a driven output, which is suitable for driving headphones directly. The ADV7850 supports full HDCP decryption with internal key storage. The ADV7850 features HDCP authentication on all Fabricated in an advanced CMOS process, the ADV7850 is ports simultaneously.

10 The feature allows fast switching between provided in a 19 mm 19 mm, 425-ball, CSP_BGA, surface- HDMI ports. Sync measurements and status monitoring are mount, RoHS-compliant package, and is specified over the also available for all HDMI ports. Each HDMI port has dedi- 20 C to +70 C temperature range. cated 5 V detect and hot plug assert pins. The HDMI receiver Rev. 0 | Page 3 of 32. ADV7850 . analog Front END. VIDEO_OUT_1. VIDEO_OUT_2 STANDARD DEFINITION PROCESSOR (SDP). 12 TBC 3D COMB 2D COMB. CVBS CLAMP ADC0. VERTICAL STANDARD INT1. (A) INTERRUPT. YC 12 PEAKING AUTODECTION CONTROLLER INT2. 13-CHANNEL CLAMP ADC1 (B) INT3. SCART RGB INPUT HORIZONTAL MACROVISION COLOR. MATRIX 12 (C) PEAKING DETECTION CONTROL. CLAMP ADC2. YPrPb (D) FASTBLANK. 12 DDR2 SDRAM OVERLAY.