HDMI Display Interface
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HDMI™ Display Interface AD9381
FEATURES
Internal HDCP keys HDMI interface Supports high bandwidth d...
Description
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HDMI™ Display Interface AD9381
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)
FUNCTIONAL BLOCK DIAGRAM
R/G/B 8 × 3 SCL SDA SERIAL REGISTER AND POWER MANAGEMENT YCbCr (4:2:2 OR 4:4:4) RGB ↔YCbCr COLORSPACE CONVERTER 2 DATACK HSOUT VSOUT
Rx0+ Rx0– Rx1+ Rx1– Rx2+ Rx2– RxC+ RxC– RTERM HDMI RECEIVER 2
R/G/B 8 × 3 OR YCbCr DATACK HSYNC VSYNC DE
DE S/PDIF 8-CHANNEL I2S MCLK LRCLK
DDCSCL
Advanced TVs HDTVs Projectors LCD monitors
AD9381
Figure 1.
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 v...
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