GENERAL DESCRIPTION
The ADV7525 is an 80 MHz, high definition multimedia interface (HDMI®) transmitter with expanded CEC buffer. It supports HDTV formats up to 1080i and computer graphic resolutions up to XGA at 75 Hz.
FEATURES
General
Low power HDMI/DVI transmitter ideal for portable
applications
CEC controller and expanded message buffer (3 messages)
reduce system overhead
HDMI v.1.4a features supported
3D video
Extended colorimetry
Compatible with DVI v.1.0
Optional embedded HDCP keys to support HDCP 1.3
1.8 V supplies for ultralow operating power
Video/audio inputs accept logic levels from 1.8 V to 3.3 V
Digital video
80 MHz operation supports all video and graphics
resolutions from 480i to 1080i
Programmable 2-way color space converter
Supports RGB, YCbCr, DDR
Supports ITU656-based embedded syncs
Automatic input video format timing detection (CEA-861E)
Digital audio
Supports standard SPDIF 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 EDID reading and
HDCP operations; reports HDMI events through interrupts
and registers
5 V tolerant I2C and HPD I/Os, no extra device needed
No audio master clock needed for supporting SPDIF
and I2S
Compatible with AD9394 HDMI companion chip
5 V generator for Hot Plug detect in portable applications
APPLICATIONS
Cellular handsets
Digital video cameras
Digital still cameras
Personal media players
Gaming
DVD players and recorders
Digital set-top boxes
HDMI repeater