ANALOG DEVICES ADV7623 Service Manual

High Performance HDMI Repeater Solution

Features

4 input, 1 output HDMI 1.4 transceiver•

Xpressview fast switching on all HDMI inputs•

Audio return channel (ARC)•

3D TV support•

Content type bits•

Character and icon based on screen display (OSD)•

®

Energy Star•

Integrated CEC 1.4 controller•

Repeater support•

HDMI 1.4 Transceiver

225 MHz operation supports up to 1080p •
36-bit color

EDID replication with internal RAM up to 512 bytes•

5 V detect pins•

Hot plug assertion control pins•

On-chip MPU with I•
operations and EDID reading operations

-compatible power configurations

2

C master to perform HDCP

ADV7623 HDMI 1.4 Transceiver

HDMI 1.4 Audio Support

Dedicated, flexible audio output and input ports for •
audio extraction and insertion

S/PDIF digital audio output and input•

SACD (super audio CD) with DSD output interface•

Compressed SACD with DST output interface•

High bit rate (HBR) audio (for example, Dolby•
and DTS-HD Master Audio

General

Software libraries (driver and application) available•

PCB reference design on 2-layer board•

Applications

AVR•

HTiB•

Soundbar•

HBR-enabled TV•

HDMI matrix switch•

Other A/V repeater applications•

The ADV7623 is a high performance, 4 input, 1 output, High-Definition Multimedia Interface
(HDMI™) transceiver that integrates HDMI receiver and transmitter with digital audio I/Os onto
one chip. It supports all HDCP repeater functions through fully tested ADI repeater software
libraries and drivers.

®

™

)

TrueHD

The ADV7623 incorporates Xpressview™ fast switching on all input HDMI ports. Using
Analog Devices’ hardware-based HDCP engine that minimizes software overhead, Xpressview
technology allows fast switching between any HDMI input ports in less than 1 second.

The ADV7623 supports all mandatory 3D TV formats, in addition to all HDTV formats up to
1080p 36-bit Deep Color. The ADV7623 also features an integrated HDMI 1.4 CEC controller,
which supports capability discovery and control (CDC).

The ADV7623 has an integrated on-screen display (OSD) feature that allows generation
and control of high quality character and icon based system status and control displays.
Customers interested in using OSD are provided with Analog Devices’ OSD SDK.

The ADV7623 offers a dedicated flexible audio output port and a dedicated audio input port to
allow for easy extraction and insertion of audio data into and out of the HDMI stream. All HDMI
audio formats, including super audio CD (SACD) via DSD, compressed SACD via DST, and
HBR, are supported. The ADV7623 also features an audio return channel (ARC) receiver. ARC
simplifies cabling by combining upstream audio capability in a conventional HDMI cable.

Fabricated in an advanced CMOS process, the ADV7623 is provided in a 144-lead, 20 mm × 20 mm
LQFP, Pb-free package and is specified over the −20°C to +70°C temperature range.

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ADV7623 Block Diagram

I

2

C

DDCSDA

DDCSCL

CEC

PORT A

PORT B

PORT C

PORT D

DDC A

DDC B

DDC C

DDC D

ARC

HDMI
OUTPUT

CONTROL

I

2

C

I

2

C

MASTER

Xpressview

BETWEEN

ALL INPUTS

I

2

S, S/PDIF, I/O

OSD

GENERATOR

CEC

EDID

REPLICATOR

CONTROLLER

PORT MUX

AND CABLE

EQ

HDMI

PROCESSOR

HDCP

ENGINE

HDCP
KEYS

AUDIO

CONTROLLER

PACKET

INFOFRAME

MEMORY

HDCP

ENCRYPTION

SPI

CONTROLLER

SPI

HDCP AND
EDID MICRO­CONTROLLER

TMDS

OUTPUTS

AUDIO

MUXING

CONTROL

S/PDIF

HDCP
KEYS

VIDEO DATA

AUDIO DATA

HDMI TxHDMI INPUT

HDMI 1

HDMI 2

HDMI 3

HDMI 4

HDMI OUTPUT

HDMI 1

PORT A

CLASS-D

PORT B

PORT C

PORT D

HDMI Rx

Typical ADV7623 System Implementation

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Worldwide Headquarters

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Tel: [phone]
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Europe Headquarters

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Japan Headquarters

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New Pier Takeshiba
South Tower Building
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Japan
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Analog Devices, Inc.
Southeast Asia
Headquarters

Analog Devices
22/F One Corporate Avenue
222 Hu Bin Road
Shanghai, 200021
China

©2009 Analog Devices, Inc. All rights reserved.
Trademarks and registered trademarks are the property
of their respective owners.

Printed in the U.S.A. PH08304-.1-9/09

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