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EL7301

DATA SHEET

Version:

Date:

1.0

May 2002

Approval:

Etron technology, Inc

P.O. Box 19-54

No.6 Technology Road V. Science-based Industrial Park, Hsinchu,30077 Taiwan, R.O.C.

Tel: 886-3-5782345 Fax: 886-3-5633037 http://www.etron.com

EL7301

Introduction

Etron's EL7301 is the key graphics processing IC that enable liquid Crystal Display (LCD) monitor at

SVGA, XGA and SXGA TFT-LCD resolution. This single chip solution included a triple-channel ADC,

two PLL circuits, one internal On Screen Display (OSD), sophisticated filter and the most advanced

scaling engine. The digital or video input can also be supported via analog/digital input ports that

implemented in EL7301.

The EL7301 captures input RGB graphics signals directly through the use of the internal PLLs. Such

signals will then be converted to 8-bit digital data per channel. The output frequencies range is up to

the resolution of SXGA with very small jitter (typically equal to 800ps). Such advantage surely

provides high degree of flexibility and display quality for users while setting different level of

resolution

Figure : EL7301 system block diagram application in dual interface

VD[23:0]

NTSC/PAL/

SECAM

Video

Decoder

DVS/DHS

DDE/DCLK

De-

interlacer

X'tal_I

25 MHz

X'tal

Triple

ADC

PD[47:0]

PHS/PVS/PDE

R/G/B

SoG

Processor

EL7301

Core

PCLK0

PCLK1

PLL

H-sync/V-sync

TFT

Panel

PLL

AD[7:0]

Controls

CS

Optional

External

OSD

Host

I/F

MPU

OSD

R/G/B

1

EL7301

Features & Applications

Analog RGB input:

Integrated three channel 8-bit resolution ADCs and pre-amplifiers for analog-RGB up to SXGA 1280

*1024 @ 75Hz

On-chip high performance PLLs

Sync on Green (SoG)

Digital RGB inputs

Additional data port support digital or video data input

DVI digital input single 24-bit RGB pixel up to 135 MHz

Video display through digital input port

De-interlace function for video signal

5V-tolerance input pads

Auto detection / Auto adjustment

Support for H/V sync interrupt and timing measurement function for mode detection

Auto-adjustment functions for frequencies, phases, positions and white-balance

Engine

Advanced scaling algorithm for excellent image quality

Programmable independent horizontal/vertical expansion zooming engine for scaling up and

scaling down

Support for Fidelity mode without frame buffers required.

Specialized adaptive filters for crisp images

On-chip digital brightness, contrast and per color 10-bit gamma table adjustment

Two-dimension dithering function

Support for dithering function for 6-bit panels

Provide 16 build-in test pattern for system burn-in testing purpose

2

EL7301

OSD engine

On-chip OSD engine with a 128K-bit fully programmable bit-map memory, resolution up to

32K pixels/16-color format

Support for optional external OSD

Micro-controller interface

Support for 8-bit parallel (8051 compatible)/serial host interface

PWM outputs for simplified inverter brightness control

Programmable RGB output

Resolution up to 1280x1024 (SXGA).

Available for SVGA , XGA & SXGA TFT-LCD panels

Single/dual-pixel digital RGB output

Staggered data output

Pixel clocks inverse and delay adjustment

Driving current programmable to simplify EMI design

Spread spectrum to disturb clock period for panel's EMI solution

Both support 8/6-bit resolution panels

Support for single/dual-pixel/clock panel interfaces

Technology / Package

u

0.25 gm CMOS technology

160-pin PQFP packaging

Applications

Digital/ Analog LCD Monitors

Digital/ Analog LCD Projectors

LCD TVs

Flat Panel Display

3

EL7301

Ordering information

Part number

Speed

Package

PQFP-160

EL7301Q-110

110MHz

140MHz

160MHz

EL7301Q-140

EL7301Q-160

4

型号:	EL7301Q-110
生命周期：	Contact Manufacturer
Reach Compliance Code：	compliant
风险等级：	5.63
Base Number Matches：	1

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