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ADV7520NK Fiches technique(PDF) 1 Page - Analog Devices

No de pièce ADV7520NK
Description  Low-Power HDMI/DVI Transmitter
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

ADV7520NK Fiches technique(HTML) 1 Page - Analog Devices

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Low-Power
HDMI/DVI Transmitter
Preliminary Technical Data
ADV7520NK
Rev. PrA
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
7 Analog Devices, Inc. All rights reserved.
FEATURES
General
Low-power HDMITM/DVI transmitter ideal for portable
applications
CEC controller and buffer reduces system overhead.
Compatible with HDMI v1.3, DVI v1.0, and HDCP 1.3
Single 1.8V power supply
Video/audio inputs accept logic level s from 1.8V to 3.3V
Digital video
80 MHz operation supports all video resolutions from 480i
to 1080i
Programmable two-way color space converter
Supports RGB, YCbCr, 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
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
GENERAL DESCRIPTION
The ADV7520NK is an 80 MHz, high definition multimedia
interface (HDMI) v.1.3 transmitter. It supports HDTV formats
up to 1080i and 720p, and computer graphic resolutions up to
XGA (1024 x 768 @ 75 Hz). With the inclusion of HDCP
(available in the BGA package only), the
FUNCTIONAL BLOCK DIAGRAM
Audio
Data
Capture
Video
Data
Capture
I2C
Slave
4:2:2
4:4:4
&
Color
Space
Converter
Registers
&
Config.
Logic
HDCP &
EDID
Micro-
controller
HDCP
Encryption
I2C
Master
TMDS
Outputs
DE
CLK
HPD
INT
SCL
SDA
MCLK
SCLK
I2S[3:0]
LRCLK
S/PDIF
DDCSDA
DDCSCL
Tx1
Tx0
Tx2
TxC
CEC
Audio
Data
Capture
Video
Data
Capture
I2C
Slave
4:2:2
4:4:4
&
Color
Space
Converter
Registers
&
Config.
Logic
HDCP &
EDID
Micro-
controller
HDCP
Encryption
I2C
Master
TMDS
Outputs
D[23:0]
DE
CLK
HPD
INT
SCL
SDA
MCLK
SCLK
I2S[3:0]
LRCLK
S/PDIF
DDCSDA
DDCSCL
Tx1
Tx0
Tx2
TxC
CEC Controller/
Buffer
ADV7520NK
VSYNC
HSYNC
Figure 1.
ADV7520NK allows the secure transmission of protected
content as specified by the HDCP v1.3 protocol.
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 LPCM audio or compressed audio including Dolby®
Digital and DTS®.
The ADV7520NK helps to reduce system design complexity
and cost by incorporating such features as an internal MPU for
HDCP operations, an I2C master for EDID reading, a single
1.8V power supply and 5 V tolerance on I2C and hot plug detect
pins.
Fabricated in an advanced CMOS process, the ADV7520NK
is available in a space saving, 76-ball, CSP_BGA or 64-lead
LFCSP surface-mount package. Both packages are available as
RoHS compliant and are specified from −25°C to +85°C
operational.


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