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ADV7520NKBBCZ-80 Fiches technique(PDF) 1 Page - Analog Devices

No de pièce ADV7520NKBBCZ-80
Description  Low Power HDMI/DVI Transmitter with Consumer Electronic Control (CEC)
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

ADV7520NKBBCZ-80 Fiches technique(HTML) 1 Page - Analog Devices

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Low Power HDMI/DVI Transmitter with
Consumer Electronic Control (CEC)
ADV7520NK
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©200
8 Analog Devices, Inc. All rights reserved.
FEATURES
General
Low power HDMI/DVI transmitter ideal for portable
applications
CEC controller and buffer reduce system overhead
Compatible with HDMI v.1.3, DVI v.1.0, and HDCP 1.3
Supports xvYCC functionality
Single 1.8 V power supply
Video/audio inputs accept logic levels from 1.8 V to 3.3 V
Digital video
80 MHz operation supports all HDTV 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-861D)
Digital audio
Supports standard S/PDIF for stereo LPCM or compressed
audio up to 192 kHz
8-channel, uncompressed LPCM I2S audio up to 192 kHz
Special features for easy system design
On-chip MPU with I2C master to perform HDCP operations
and EDID reading operations
5 V tolerant I2C and HPD I/Os, no extra device needed
No audio master clock needed for supporting S/PDIF and I2S
On-chip MPU reports HDMI events through interrupts and
registers
APPLICATIONS
Digital video cameras
Digital still cameras
Personal media players
Cellular handsets
DVD players and recorders
Digital set-top boxes
A/V receivers
HDMI repeater/splitter
GENERAL DESCRIPTION
The ADV7520NK is an 80 MHz, high definition multimedia
interface (HDMI™) v.1.3 transmitter with consumer electronic
control (CEC). It supports HDTV formats up to 720p and 1080i
and computer graphic resolutions up to XGA (1024 × 768 @
75 Hz). With the inclusion of HDCP, the ADV7520NK allows
the secure transmission of protected content, as specified by the
HDCP 1.3 protocol.
FUNCTIONAL BLOCK DIAGRAM
D[23:0]
VSYNC
HSYNC
DE
CLK
I2C
SLAVE
SDA
SCL
HDCP
CORE
MDA
MCL
HDCP AND EDID
MICRO-
CONTROLLER
I2C
MASTER
INT
HPD
DDCSCL
Tx0[1:0]
Tx1[1:0]
Tx2[1:0]
TxC[1:0]
DDCSDA
ADV7520NK
HDMI Tx
CORE
S/PDIF
MCLK
I2S[3:0]
LRCLK
SCLK
CEC
CEC CONTROLLER
BUFFER
COLOR
SPACE
CONVERSION
SYNC
ADJUSTMENT
AND
GENERATION
AUDIO
DATA
CAPTURE
VIDEO
DATA
CAPTURE
REGISTERCON
FIGURATION
LOGIC
Figure 1.
The ADV7520NK supports both S/PDIF and 8-channel I2S audio.
Its high fidelity, 8-channel I2S can transmit either stereo or 7.1
surround audio at 192 kHz. The S/PDIF can carry stereo linear
pulse-code modulation (LPCM) audio or compressed audio,
including Dolby® Digital and DTS®.
The ADV7520NK helps reduce system design complexity and
cost by incorporating such features as an internal microprocessor
for high-bandwidth digital content protection (HDCP) operations,
an I2C® master for extended display identification data (EDID)
reading, a single 1.8 V power supply, and 5 V tolerance on the
I2C and hot plug detect pins. For additional information and
resources, see the Applications Information section.
Fabricated in an advanced CMOS process, the ADV7520NK
is available in a space saving, 76-ball CSP_BGA. The package is
RoHS compliant and is specified for −25°C to +90°C operation.


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