ANALOG DEVICES ADV7523A Service Manual
Consumer Electronics Control (CEC)
ADV7523A
Rev. SpA
ed by Analog Devices is believed to be accurate and reliable. However, no
Trademarks and registered trademarks are the property of their respective owners.
Fax: 781.461.3113 ©2010–2011 Analog Devices, Inc. All rights reserved.
D[15:0]
VSYNC
HSYNC*
DE
CLK
I
2
C
SLAVE
SDA
SCL
HDCP
CORE
HDCP AND EDID
MICRO-
CONTROLLER
I
2
C
MASTER
INT
HPD
DDCSCL
Tx0+/Tx0–
Tx1+/Tx1–
Tx2+/Tx2–
TxC+/TxC–
DDCSDA
ADV7523A
TMDS
OUTPUTS
S/PDIF
I
2
S
LRCLK
CEC
CECCLK
CEC CONTROLLER
BUFFER
COLOR-
SPACE
CONVERSION
SYNC
ADJUSTMENT
AND
GENERATION
AUDIO
DATA
CAPTURE
VIDEO
DATA
CAPTURE
REGISTER
CONFIGURATION
LOGIC
HDCP
KEYS
08838-001
MCLK
*BOTH HSYNC AND SCLK CAN BE CONF IGURED AS MCLK.
SCLK*
Low Power HDMI/DVI Transmitter with
FEATURES
General
Low power HDMI/DVI transmitter ideal for portable
applications
CEC controller and expanded message buffer (3 messages)
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 supplies for ultralow operating power
Video/audio inputs accept logic levels from 1.8 V to 3.3 V
Digital video
80 MHz operation supports all video and graphics
resolutions from 480i to 1080i
Programmable 2-way color-space converter
Supports RGB, YCbCr, and DDR
Supports ITU656-based embedded syncs
Automatic input video format timing detection (CEA-861-E)
Digital audio
Supports standard S/PDIF for stereo LPCM or compressed
audio up to 192 kHz
2-channel, uncompressed LPCM I
Special features for easy system design
On-chip MPU with I
2
C master to perform EDID reading and
HDCP operations; reports HDMI events through interrupts
and registers
5 V tolerant I
2
C and HPD I/Os, no extra device needed
No audio master clock needed for supporting S/PDIF and I
Compatible with AD9394 HDMI companion chip 5 V
generator for Hot Plug detection in portable applications
APPLICATIONS
Cellular handsets
Digital video cameras
Digital still cameras
Personal media players
Gaming
DVD players and recorders
Digital set-top boxes
HDMI repeater
GENERAL DESCRIPTION
The ADV7523A is an 80 MHz, High-Definition Multimedia
Interface (HDMI™) transmitter with expanded CEC buffer. It
supports HDTV formats up to 1080i and computer graphic
resolutions up to XGA at 75 Hz.
For more information about the ADV7523A, email: ATV_VideoTx_Apps@analog.com.
Information furnish
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
2
S audio up to 192 kHz
With the optional inclusion of embedded HDCP keys, the
ADV7523A allows the secure transmission of protected content,
as specified by the HDCP 1.3 protocol.
2
S
The ADV7523A supports x.v.Color™ (gamut metadata) for a
wider color gamut.
The ADV7523A supports both S/PDIF and 2-channel I
Its high fidelity, 2-channel I
192 kHz sampling rate. S/PDIF can carry stereo LPCM audio or
compressed audio, including Dolby® digital and DTS®.
The ADV7523A helps to reduce system design complexity and
cost by incorporating such features as an I
reading, and 5 V tolerance on the I
Fabricated in an advanced CMOS process, the ADV7523A is
available in a space saving, 49-ball, WLCSP surface-mount
package. This package is RoHS compliant and specified to
operate from −25°C to +85°C.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
FUNCTIONAL BLOCK DIAGRAM
Figure 1.
2
S audio can transmit stereo up to a
2
C master for EDID
2
C and Hot Plug™ detect pins.
www.analog.com
2
S audio.
ADV7523A
©2010–2011 Analog Devices, Inc. All rights reserved. Trademarks and
NOTES
I2C refers to a communications protocol originally developed by Philips Semiconductors (now NXP Semiconductors).
registered trademarks are the property of their respective owners.
D08838F-0-10/11(SpA)
Rev. SpA | Page 2 of 2
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