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L50S(AUO)Technical Service Manual
MST9010
GENERAL DESCRIPTION
The MST9010 is a high performance, and fully integrated graphics processing IC solution for LCD
monitors with resolutions up to XGA. It is configured with an integrated triple-ADC/PLL, a high quality
scaling engine, an on-screen display controller, and a built-in output clock generator. To further reduce
system costs, the MST9010 also integrates intelligent power management control capability for
green-mode requirements and spread-spectrum support for EMI management.
Analog
Analog
H S Y N C
FEATURES
High-quality zoom and shrink scaling engine
-
(Compatible with VGA thru XGA)
Integrated 8-bit triple-ADC/PLL
-
On-screen display controller (OSD)
-
Support RGB/DVI inputs
-
Support composite sync and SOG separator
-
Programmable 10-bit gamma correction
-
Integrated Brightness & Contrast control
-
adjustment
Support PWM backlit intensity control
-
Green PC and low EMI features
-
Low standby power mode (< 5mA)
-
High-Performance Scaling Engine
-
Programmable shrink/zoom capabilities
-
High-quality scaling for all VESA and IBM
-
mode to fit screen
Variable sharpness control
-
Analog RGB/DVI Compliant Input Port
-
Supports up to XGA at 85Hz/94.5Mhz
-
Supports
Composite
-
(Sync-on-Green) separator
- Auto-Detection/Tune
Auto input signal format (SOG, Composite,
-
Separated Hsync, Vsync, and DE), and input
Triple
R G B
A D C
A D C _ P L L
A D C _ P L L
D V I
Mode
Detect
Sync
and
Scaling
Engine
D V I S e l e c t
H O S T
S S C _ P L L
Interface
M C U
EXT CLK
mode (all VESA & IBM modes w/ resolution
and polarity) detection
Auto-tuning
-
positioning, offset, gain, and jitter detection
Smart screen-fitting
-
- On-Screen OSD Controller
Built-in OSD generator with 128 character
-
font programmable RAM
Internal OSD rotation degree of 90 and 270
-
Gradient color function
-
Pattern generator for production test
-
Support OSD MUX and alpha blending
-
capability
Output Format
-
Support output up to XGA panel
-
24bit/48bit panel interface with stagger option
-
Programmable I/O for strength signal pins for
-
different output loading
Built-in output clock generator with Spread
-
Spectrum Control
SOG
Support dynamic dithering function
-
- External Connection/Component
Built-in DDC circuit
-
Support 8051 (up to 40MHz) and serial (up to
-
400Kbit/sec) bus type
--21--
G a m m a
To
O u t p u t
P a n e l
Timing
O S D
XTAL/
function
including
phasing,
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