CH7053A

Brief Datasheet

209-1000-128

Rev 1.0

08/22/2014

1

Chrontel

CH7053A HDTV/VGA/ DVI Transmitter

FEATURES

GENERAL DESCRIPTION



DVI Transmitter support up to 1080p



DVI hot plug detection



Supports Component YPrPb (HDTV) up to 1080p

and analog RGB (VGA) monitor up to 1920x1080

resolution



Supports

DVI

and

VGA/HDTV

output

simultaneously



Three 10-bit high speed DACs



SPDIF audio interface supports either 16-bit or 20-

bit stereo data for up to 192kHz/2ch



Support 2 channel I2S digital audio input for up to

24-bit data stream

(32kHz, 44.1kHz, 48kHz,

88.2kHz, 96kHz, 176.4kHzand 192kHz)



TV/Monitor connection detect capability. DACs can

be switched off through programming internal

registers



Pixel-level

color

enhancement

for

brightness,

contrast, hue and saturation adjustment for HDTV

output



Supports 8/12/16/18/24-bit parallel interface input

for either RGB format (RGB-565, RGB-666 or

RGB-888 and etc.) or YCrCb format (ITU-R 656 or

ITU-R 601). 80/86 MPU interface and DE only

mode are also supported.



Pixel clock input frequency support for up to 165

MHz



IO Supply Voltages from 1.2V to 3.3V and

SPC/SPD Supply Voltages from 1.8V to 3.3V.



Programmable power management



Device fully programmable through serial port



Offered in a 88-pin QFN package

APPLICATION



Media Internet Devices



Media Storage Boxes



Smart-books



Digital Video Players



Digital Video Recorders



Portable Media Players

The Chrontel CH7053A is specifically designed for

consumer electronics device and PC markets which

multiple high definition content display formats are

required.

With its advanced video encoder, flexible

scaling engine and easy-to-configure audio interface, the

CH7053A

satisfies

manufactures’ products display

requirements and reduce their costs of development and

time-to-market.

High quality high-bandwidth uncompressed video like

DVI and YPrPb components or legacy VGA analog

display are supported by the device’s color format

converter. The 3 high-performance, 10-bit DACs can be

used for either HDTV display or VGA output depending

on manufactures’ products specification. The device is

compliant

with

EIA770-3

and

SMPTE

274M/293M/296M

standards

and

supports

HDTV

resolution for up to 1080p. The CH7053A has the ability

to generate composite syncs if required by the RGB

monitor.

The CH7053A’s 24-bit parallel bus accepts a wide range

of input data formats from the graphic controller. The

built-in video port supports 8/12/16/18/24-bit data

interface as well as 80/86 MPU interface. The video

format conversion module is capable of translating digital

RGB-565, RGB-666, RGB-888 or YCrCb (ITU-R 656,

ITU-R 601) signal to the DVI signal, combining with the

audio stream. The input digital signal also can be

transformed by the DACs for HDTV or VGA analog

outputs.

The CH7053A supports both SPDIF and 2-channel I²

S

digital audio input. Its high fidelity audio decoder engine

has the capability of sampling audio frequency for up to

192k/2ch. The SPIDF supports PCM encoded data and

compressed audio including Dolby Digital and DTS.

The CH7053A has an image enhancement function that

can fine tune brightness, contrast, hue and saturation

down to the pixel-level.