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| ADI ADV7612和ADV7511 HDMI收发解决方案 | |||||
作者：ADI 文章来源：ADI 点击数： 更新时间：2012-1-30  |
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The ADV7612 is offered in automotive, professional (no HDCP), and industrial versions. The operating temperature range is −40℃ to +85℃. The ADV7612 is a high quality Xpressview™ fast switching HDMI®-capable receiver. It incorporates a dual input HDMI-capable receiver that supports all mandatory 3D TV formats defined in HDMI 1.4a specification, HDTV formats up to 1080p 36-bit Deep Color, and display resolutions up to UXGA (1600 × 1200 at 60 Hz). It integrates a CEC controller that supports the capability discovery and control (CDC)The ADV7612 incorporates Xpressview fast switching on both input HDMI ports. Using Analog Devices, Inc., hardware-based HDCP engine that minimizes software overhead, Xpressview technology allows fast switching between both HDMI input ports in less than 1 second. Each HDMI port has dedicated 5 V detect and Hot Plug™ assert pins. The HDMI receiver also includes an integrated program-mable equalizer that ensures robust operation of the interface with long cables. The ADV7612 offers a flexible audio output port for audio data extraction from the HDMI stream. HDMI audio formats, including SACD via DSD and HBR, are supported by ADV7612. The HDMI receiver has advanced audio functionality, such as a mute controller that prevents audible extraneous noise in the audio output. Additionally, the ADV7612 can be set to output TDM I2S, which provides four multiplexed I2S channels. The ADV7612 contains one main component processor (CP) that processes the video signals from the HDMI receiver. It provides features such as contrast, brightness and saturation adjustments, STDI detection block, free run, and synchronization alignment controls. Fabricated in an advanced CMOS process, the ADV7612 is provided in a 14 mm × 14 mm, 100-lead surface-mount LQFP_EP, RoHS-compliant package, and is specified over the −40°C to +85°C temperature range. ADV7612 HDMI接收器主要特性: High-Definition Multimedia Interface (HDMI) 1.4a features supported All mandatory and additional 3D video formats supported Extended colorimetry, including sYCC601, Adobe RGB, Adobe YCC 601, xvYCC extended gamut color CEC 1.4-compatible HDMI receiver 225 MHz maximum TMDS clock frequency Xpressview fast switching of HDMI ports 36-/30-bit Deep Color and 24-bit color support High-bandwidth Digital Content Protection (HDCP) 1.4 support with internal HDCP keys HDCP repeater support Up to 127 KSVs supported Integrated CEC controller Programmable HDMI equalizer 5 V detect and Hot Plug assert for each HDMI port Audio support Audio support including high bit rate (HBR) and direct stream digital (DSD) S/PDIF (IEC 60958-compatible) digital audio support Supports up to four I2S outputs and time-division multiplexed (TDM) I2S Advanced audio mute feature Dedicated, flexible audio output port Super audio CD (SACD) with DSD output interface HBR audio Dolby® TrueHD DTS-HD Master Audio™ General Interrupt controller with two interrupt outputs Standard Identification (STDI) circuit Highly flexible 36-bit pixel output interface Internal EDID RAM Any-to-any 3 × 3 color space conversion (CSC) matrix 2-layer PCB design supported 100-lead LQFP_EP, 14 mm × 14 mm package Qualified for Automotive Applications ADV7612主要应用: Projectors Automotive Video conferencing HDTVs AVR, HTiB Soundbars Video switches  图1.ADV7612功能方框图  图2.ADV7612 HDMI内核功能方框图 EVAL-ADV7612-7511视频评估板 The Advantiv® EVAL-ADV7612-7511 video evaluation board (AVEB) is a low cost solution for evaluating the performance of the ADV7612 HDMI receiver and/or the ADV7511 HDMI发送器 The evaluation board provides a Blackfin® ADSP-BF524 processor for system control. The ADSP-BF524 offers the potential to process audio (no audio software is included). The evaluation board includes software (firmware) that provides a serial command interface to control the board’s functionality. This evaluation board is available in two options. With HDCP support (EVAL-ADV7612-7511), available only to licensees of HDCP Without HDCP support (EVAL-ADV7612-7511P) ADV7511 HDMI发送器主要特性: 2 HDMI inputs, 1 HDMI output PC communication via RS-232 or USB interface Jumperable signal paths for audio and video (jumpers can be removed and signals connected in a different manner) EQUIPMENT NEEDED Computer with RS-232 (or USB) I/O to accomplish the following: Send scripts to the board’s command line interface Send commands to the board’s repeater software and view software output Control the board via Advantiv video evaluation software (AVES) application Update the board’s firmware (if desired or necessary)  图3.EVAL-ADV7612-7511视频评估板外形图  图4.EVAL-ADV7612-7511视频评估板框图  图5.EVAL-ADV7612-7511视频评估板电路图(1)  图6.EVAL-ADV7612-7511视频评估板电路图(2)  图7.EVAL-ADV7612-7511视频评估板电路图(3)  图8.EVAL-ADV7612-7511视频评估板PCB布局图  图9.双路ADV7612电路连接简图  图10.ADV7511和双路ADV7612评估板外形图 HDMI收发器材料清单见:  HDMI收发器材料清单.xls详情请见 http://www.analog.com/static/imported-files/data_sheets/ADV7612.pdf 和 http://www.analog.com/static/imported-files/circuit_notes/CN0224.pdf |
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