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Analog Devices - HDMI Display Interface

Numéro de référence AD9381
Description HDMI Display Interface
Fabricant Analog Devices 
Logo Analog Devices 





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FEATURES
Internal HDCP keys
HDMI interface
Supports high bandwidth digital content protection
RGB to YCbCr 2-way color conversion
1.8 V/3.3 V power supply
100-lead Pb-free LQFP
RGB and YCbCr output formats
Digital video interface
HDMI 1.1, DVI 1.0
150 MHz HDMI receiver
Supports high bandwidth digital content protection
(HDCP 1.1)
Digital audio interface
HDMI 1.1-compatible audio interface
S/PDIF (IEC90658-compatible) digital audio output
Multichannel I2S audio output (up to 8 channels)
APPLICATIONS
Advanced TVs
HDTVs
Projectors
LCD monitors
GENERAL DESCRIPTION
The AD9381 offers a high definition multimedia interface
(HDMI) receiver integrated on a single chip. Also included is
support for high bandwidth digital content protection (HDCP)
via an internal key storage.
The AD9381 contains an HDMI 1.0-compatible receiver and
supports all HDTV formats (up to 1080p) and display
resolutions up to SXGA (1280×1024 @ 75 Hz). The receiver
features an intrapair skew tolerance of up to one full clock cycle.
With the inclusion of HDCP, displays may now receive
encrypted video content. The AD9381 allows for authentication
of a video receiver, decryption of encoded data at the receiver,
and renewability of that authentication during transmission as
specified by the HDCP 1.1 protocol.
HDMI™ Display Interface
AD9381
FUNCTIONAL BLOCK DIAGRAM
SCL
SDA
Rx0+
Rx0–
Rx1+
Rx1–
Rx2+
Rx2–
RxC+
RxC–
RTERM
DDCSDA
DDCSCL
SERIAL REGISTER
AND
POWER MANAGEMENT
R/G/B 8 × 3
OR YCbCr
2 DATACK
HDMI RECEIVER
HSYNC
VSYNC
DE
R/G/B 8 × 3
YCbCr (4:2:2
OR 4:4:4)
2
DATACK
HSOUT
VSOUT
DE
S/PDIF
8-CHANNEL
I2S
MCLK
LRCLK
HDCP
HDCP KEYS
AD9381
Figure 1.
Fabricated in an advanced CMOS process, the AD9381 is
provided in a space-saving, 100-lead, surface-mount, Pb-free
plastic LQFP and is specified over the 0°C to 70°C temperature
range.
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
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.
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
© 2005 Analog Devices, Inc. All rights reserved.

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