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