ADV7520NK Datasheet, PDF (1/5 Pages) Analog Devices – Low-Power HDMI/DVI Transmitter

Preliminary Technical Data
Low-Power HDMI/DVI Transmitter
ADV7520NK
FEATURES
General
Low-power HDMI^TM/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
Rev. PrA
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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
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FUNCTIONAL BLOCK DIAGRAM
S/PDIF
MCLK
I²S[3:0]
LRCLK
SCLK
Audio
Data
Capture
D[23:0]
VSYNC
HSYNC
DE
CLK
HPD
INT
Video
Data
Capture
CEC Controller/
Buffer
CEC
4:2:2
4:4:4
&
Color
Space
Converter
Registers
&
Config.
Logic
HDCP
Encryption
Tx0
Tx1
TMDS
Outputs
Tx2
TxC
SDA
SCL
I²C
Slave
HDCP &
EDID
Micro-
controller
I²C
Master
DDCSDA
DDCSCL
ADV7520NK
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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: [phone]
www.analog.com
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