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Datasheet: s9255 (Genesis Microchip Inc.)

Digital-interface Flat Panel Monitor Controller up to Sxga

 

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GENESIS
MICROCHIP
S9255 Product Brief
DVI Interface with TCON Display Processor
C9255-PBR-01B September 2002
DESCRIPTION
The Genesis s9255 is a highly integrated, feature-rich
digital input LCD monitor controller targeted at SXGA
resolution monitors. It inputs DVI-compliant signals and
will perform advanced image processing to ensure the
best display on a TFT LCD Monitor. It features an
advanced scaling architecture with five zone variable
scaling and edge enhancement capabilities in the native
resolution modes. A programmable poly phase filter
ensures smooth natural images and enhanced sharper
text to provide excellent image quality.
A proprietary video window detection algorithm detects
coordinates of any video data overlayed on the image.
The flexible scaling architecture also allows prog-
rammable scaling coefficients in either a defined region
or on the entire screen. A state of the art and industry-
first Adaptive Color and Contrast (ACC) along with the
Auto Backlight Level Control (ABL) ensure excellent
viewing quality for both static and dynamic images.
s9255 has second generation Active Color
Management TM. This technology provides accurate
flesh tone compensation, color space conversion and
hue / saturation control over either a programmable
window or the entire screen. Dual 10 - bit color look up
tables allow independent gamma control for a
programmable window and the background image.
Integration of a state of the art 135 MHz DVI receiver,
industry's best scalar and a host of other advanced
features for video and color control make the s9255 an
excellent solution for DVI monitors.
PRODUCT HIGHLIGHTS
DVI-compliant 135 MHz receiver
High bandwidth digital content protection
CCIR 656 compatible 8 bit video port
Intelligent Picture ProcessingTM
Video window detection
SureSyncTM and AutoAdjustTM
Stand-alone test pattern generator
Supports input & panel resolutions up to SXGA
Integrated Microcontroller
Programmable multi tap poly phase advanced
scaling engine
Five zone variable scaling Ideal for WXGA
panels
Programmable regional scaling coefficients
Edge enhancement in 1:1 mode
Supports zoom and shrink scaling
ACM IITM (Second Generation Active Color
ManagementTM)
Dual Gamma Table Correction
Back light intensity control through PWM
Adaptive Backlight ControlTM
Adaptive Contrast control TM
Flexible OSD Engine with 8 Kbytes of OSD
Memory
Adaptive flicker Rate Control
Fail-safe display mode for high refresh inputs

Genesis Microchip Inc.
2150 Gold Street, P.O. Box 2150, Alviso, CA USA 95002, Tel 408-262-6599, Fax 408-262-6365
165 Commerce Valley Dr. West, Thornhill, ON Canada L3T 7V8, Tel 905-889-5400, Fax 905-889-5422
George Thangiah Complex(E), 2nd Flr, 80 Feet Road, Jeevan Bhima Nagar, Bangalore 560 075, India, Tel 91-80-526 3878, Fax 91-80-529 6245
4F, No. 57, Sing Jung Road, NeiHu Taipei, Taiwan 114, R.O.C, Tel 886-2-2791-0118, Fax 886-2-2791-0196
143-37 Hyundai Tower, #902, Samsung-dong, Kangnam-gu, Seoul, Korea 135-090, Tel 82-2-553-5693, Fax 82-2-552-4942
Rm2614-2618 Shenzhen Office Tower, 6007 Shennan Blvd, 518040, Shenzhen, Guangdong, P.R.C., Tel 86-755-83860101, Fax 86-755-83867874
#310-311 Century Financial Tower, No. 1, Su Hua Road, Suzhou Industrial Park, Suzhou, Jiangsu Province, P.R.C., 215021 Tel 86-512-67620380, Fax 86-512-67620385
2-9-5 Higashigotanda, Shinagawa-ku, Tokyo, 141-0022, Japan, Tel 81-3-5798-2758, Fax 81-3-5798-2759
www.genesis-microchip.com / info@genesis-microchip.com
GENESIS
MICROCHIP
S9255 Product Brief

s9255 Feature Details

Scaling Technology
Programmable Scaling Coefficients
Five zone variable scaling
Supports WXGA panels
Non-linear independent X/Y scaling
Advanced Scaling with variable sharpness control
Edge enhancement in native mode resolution
Supports image expansion and reduction
Zoom or shrink from any industry standard
input resolutions
Conversion between 4:3 and 16:9 aspect ratio

Video and Color Control Features
Intelligent Picture Processing TM
Adaptive Color and Contrast
Adaptive Backlight Level
ACM II (Advanced Active Color Management)
Video Window Detection

Input Ports
DVI Receiver
Single link integrated DVI-compliant
receiver up to 135MHz operation
Support for DE-only mode
Direct connect to all DVI-compliant
transmitters
High-bandwidth Digital Content
Protection (HDCP)

Video Port
CCIR 656 PAL / NTSC Input Capability
Video Window Detection
On-chip deinterlacing (bobbing)
Integrated YUV to RGB Converter
Glue-less interface to video digitizers

SureSyncTM and AutoAdjustTM
Automatically detects and syncs to changes
in incoming resolution and refresh rate
Fast, automatic optimization of Phase, Hsize,
Vertical and Horizontal position
Continuous monitoring of Input ports
On Screen Display
Character-based OSD with support for 16
foreground and 8 background colors.
Support for up to sixteen colors for characters
and display of logos and icons
Supports transparency and blending.
Independent X and Y overlay/menu zoom by a
factor of (1 to 8).
Flexible character generator for variable sizes
up to 16x32.
Character attributes for 1, 2, 4 bits/pixel.
Fully programmable OSD memory of 4k x 16bits
Multiple language support.

Panel Interface
Support for one pixel/clock (18 and 24 bit), 2
pixel/clock (36 and 48 bit) TFT TTL panels
Support for eight-bit or six-bit panels with high
quality dithering
Second Generation flicker free Timing
Controller (TCON)

Supported Panel Resolutions
SXGA (1280x1024 @ 75Hz) resolution
XGA (1024 x 768 @ 85 Hz) resolution

Color Look up Table
24 bit/pixel (8 bit each for R, G, B).
10-bit Gamma correction for true color display.
Dual Gamma Tables
Optional 24-bit to 18-bit high quality dither support
High fidelity Color Mapping up to 16M colors.

System Interface Support
4 PWM channels can be programmed as Panel
On /Off, Backlight On /Off etc.,
24 GPIO pins
Industry standard 2 wire serial host interface
for HDCP communication

3.3V Operation

208-pin LQFP Package
www.genesis-microchip.com
This document is Subject to Change Without Notice
GENESIS
MICROCHIP
S9255 Product Brief
s9255Functional Block Diagram
P
a
ne
l
Da
ta
a
n
d T
C
O
N
O
u
t
p
u
t
TMDS
HDCP
Image
Capture
and
Measurement
8 Bit
Vido Port
Microcontroller
Clock
Generator
Inp
u
t
Mu
x
External Flash Interface
D
u
a
l
C
L
U
T
Scaling
Engine
with
Edge
Enhancement
Clock
OSD
Engine
OSD
Memory
Pattern
Generator
AutoAdjust
ACC
Histogram
PWM and GPIO
VWD
AB
L
2 - Wire
Serial Port
Panel
s9255 System Design Example
TCON Data
Panel Data
On /Off
LCD Panel
Backlight
Backlight
Inverter
PWM
DVI
DDC
8 bit Video
Port
External
Flash
s9255
www.genesis-microchip.com
This document is Subject to Change Without Notice
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