ANALOG DEVICES ADV7521NK Service Manual

ADV7521NK

Low Power, 80 MHz HDMI Transmitter

with CEC Support

Features

80 MHz operation supports all video formats •
up to 720p/1080i

Low power consumption for battery-powered •
devices

Internal CEC controller makes it easy to add •
CEC functionality to systems

Incorporates HDMI technology•

Includes x.v.Color •

2

Supports S/PDIF and 2 channels of I•
up to 192 kHz

Internal, fully programmable color space and •
timing conversion for different video outputs

Supports repeater function•

Single 1.8 V power supply•

3.5 mm • × 3.5 mm, 49-lead WLCSP
Pb-free package

Applications

Digital video cameras•

Digital still cameras•

Cellular handsets•

Portable media players•

S audio

The ADV7521NK is an 80 MHz High-Definition Multimedia Interface (HDMI™) transmitter that
is ideal for use in portable electronics, including HD video camcorders, digital still cameras,
cellular handsets, and portable media players.

The digital video interface incorporates HDMI technology and supports HDTV formats up to
720p/1080i. The ADV7521NK also supports programmable AVI InfoFrames and x.v.Color.

The ADV7521NK supports both S/PDIF and 2-channel I2S audio. Its high fidelity, 2-channel

2

S bus can transmit audio at 192 kHz. Compressed audio, including Dolby® Digital and DTS,®

I
is supported via S/PDIF.

Data sheets, software/hardware guides, and software driver reference code and
documentation are available from Analog Devices local sales and marketing personnel.
Samples, evaluation kits, and reference design schematics are also available.

™

www.analog.com/Advantiv

Functional Block Diagram

AUDIO DATA

CAPTURE

4:2:2

4:4:4 AND

COLOR SPACE

CONVERTER

REGISTERS

AND CON-

FIGURATION

LOGIC

EDID MICRO-

CONTROLLER

VIDEO DATA

CAPTURE

I2C SLAVE

I2C MASTER

D[15:0

]

S/PDIF

MCLK

I

2

S

LRCLK

SCLK

DE

CLK

VSYNC

HSYNC

HPD

INT

CEC

SUPPORT

SDA
SCL

DDCSDA
DDCSCL

TMDS

OUTPUTS

Tx0
Tx1
Tx2
TxC

CEC

CECCLK

ADV7521NK

Analog Devices, Inc.
Worldwide Headquarters

Analog Devices, Inc.
One Technology Way
P.O. Box 9106
Norwood, MA 02062-9106
U.S.A.
Tel: [phone]
(800.262.5643,
U.S.A. only)
Fax: [phone]

Analog Devices, Inc.
Europe Headquarters

Analog Devices, Inc.
Wilhelm-Wagenfeld-Str. 6
80807 Munich
Germany
Tel: [phone]
Fax: [phone]

Analog Devices, Inc.
Japan Headquarters

Analog Devices, KK
New Pier Takeshiba
South Tower Building
1-16-1 Kaigan, Minato-ku,
Tokyo, 105-6891
Japan
Tel: [phone]
Fax: [phone]

Analog Devices, Inc.
Southeast Asia
Headquarters

Analog Devices
22/F One Corporate Avenue
222 Hu Bin Road
Shanghai, 200021
China
Tel: [phone]
Fax: [phone]

©2008 Analog Devices, Inc. All rights reserved.
Trademarks and registered trademarks are the property
of their respective owners.
Printed in the U.S.A. PH07313-.5-12/08(A) www.analog.com/Advantiv