ANALOG DEVICES ADV7523 Service Manual
ADV7523
Ultralow Power, 80 MHz HDMI Transmitter
Features
Low power HDMI transmitter ideal •
for portable applications
CEC controller and buffer reduces •
system overhead
Incorporates HDMI 1.3 (x.v.Color•
technology
Compatible with DVI 1.0 •
Optional embedded HDCP keys to •
support HDCP 1.3
1.8 V and 1.2 V for lowest power operation •
(also operates on single 1.8 V supply)
Video/audio inputs accept logic levels •
from 1.8 V to 3.3 V
Applications
Cellular handsets •
Digital video cameras •
Digital still cameras •
Personal media players •
Gaming •
DVD players and recorders •
Digital set-top boxes •
HDMI repeaters•
with CEC
™
)
The ADV7523 is an 80 MHz High-Definition Multimedia Interface (HDMI™) transmitter ideal
for use in portable electronics, including HD video camcorders, digital still cameras, cellular
handsets, gaming consoles, and portable media players.
The digital video interface incorporates HDMI technology and supports HDTV formats up to
1080i. With the optional inclusion of embedded HDCP keys, the ADV7523 allows the secure
transmission of protected content, as specified by the HDCP 1.3 protocol.
2
The ADV7523 supports both S/PDIF and 2-channel I
bus can transmit audio at 192 kHz. Compressed audio, including Dolby
is supported via S/PDIF.
Data sheets, software/hardware guides, software driver reference code/documentation, and
reference design schematics are available from Analog Devices local sales and marketing
personnel. Samples and evaluation kits are also available.
S audio. Its high fidelity, 2-channel I2S
Support
®
Digital and DTS,®
www.analog.com/Advantiv
D[15:0]
VSYNC
HSYNC
DE
CLK
I2C
SLAVE
SDASCL
HDCP
CORE
HDCP AND EDID
MICRO-
CONTROLLER
I2C
MASTER
INT
HPD
DDCSCL
Tx0
Tx1
Tx2
TxC
DDCSDA
ADV7523
TMDS
OUTPUTS
S/PDIF
MCLK
I2S
LRCLK
SCLK
CEC_IO
CEC_CLK
CEC CONTROLLER
BUFFER
COLOR
SPACE
CONVERSION
AUDIO
DATA
CAPTURE
VIDEO
DATA
CAPTURE
REGISTER
CONFIGURATION
LOGIC
HDCP
KEYS
SYNC
ADJUSTMENT
AND
GENERATION
Functional Block Diagram
Digital Video
80 MHz operation supports all video resolutions from 480i to 1080i •
Programmable two-way color space converter •
Supports RGB, YCrCb, DDR •
Supports ITU656-based embedded syncs •
Auto input video format timing detection (CEA-861D) •
Digital Audio
Supports standard S/PDIF for stereo LPCM or compressed audio up to 192 kHz •
2
2-channel uncompressed LPCM I•
Special Features for Easy System Design
On-chip MPU with I•
reports HDMI events through interrupts and registers
5 V tolerant I•
2
C master to perform EDID reading and HDCP operations;
2
C and HPD I/Os, no extra device needed
No audio master clock needed for supporting S/PDIF and I•
Compatible with AD80216 HDMI companion chip •
•
©2008 Analog Devices, Inc. All rights reserved.
Trademarks and registered trademarks are the property
of their respective owners.
Printed in the U.S.A. PH07929-.5-12/08 www.analog.com/Advantiv
5 V generator for hot plug detect in portable applications
S audio up to 192 kHz
2
S
Analog Devices, Inc.
Worldwide Headquarters
Analog Devices, Inc.
One Technology Way
P.O. Box 9106
Norwood, MA 02062-9106
U.S.A.
Tel: 781.329.4700
(800.262.5643,
U.S.A. only)
Fax: 781.461.3113
Analog Devices, Inc.
Europe Headquarters
Analog Devices, Inc.
Wilhelm-Wagenfeld-Str. 6
80807 Munich
Germany
Tel: 49.89.76903.0
Fax: 49.89.76903.157
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: 813.5402.8200
Fax: 813.5402.1064
Analog Devices, Inc.
Southeast Asia
Headquarters
Analog Devices
22/F One Corporate Avenue
222 Hu Bin Road
Shanghai, 200021
China
Tel: 86.21.2320.8000
Fax: 86.21.2320.8222
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