[原创] ADI ADV7630 HDMI4：1多路转换输入、HDMI1：2分离器评估参考设计

ADI公司的ADV7630是一款高质量、具有4:1输入多路复用器的1:2 HDMI分离器。它包含了一个四输入HDMI接收机和双发射机功能的集成芯片。ADV7630芯片支持所有强制性HDMI 3D电视格式,1080P高清格式达每像素36位深颜色,显示器分辨率高达1080P。HDCP加密视频接收也支持接收来自TMDS HDMI视频传输的视频数据流。HDMI输出特性专注于HDCP加密引擎的DDC数据流。这款ADV7630集成了一个具有发现和控制特性的HDMI CEC控制器。本文主要介绍ADV7630芯片的主要特性、应用方向及芯片内部结构图，并介绍评估板的电路板图、电路原理图和PCB元件布局图。

The ADV7630 is a high quality 1:2 HDMI® splitter with 4:1 input multiplexer. It incorporates a four-input HDMI receiver and dual transmitter functions onto a single chip. The ADV7630 supports all mandatory HDMI 3D TV formats, HDTV formats up to 1080p 36-bits per pixel Deep Color, and display resolutions up to 1080p60. The reception of HDCP encrypted video is also supported by the HDMI receiver with TMDS The HDMI video transmitted to the downstream device by the transmitter. HDMI output features dedicated DDC lines with an HDCP encryption engine.

The ADV7630 integrates an HDMI CEC controller that supports the capability discovery and control (CDC) feature.
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