MTL007F Просмотр технического описания (PDF) - Myson Century Inc

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MTL007F

SXGA Flat Panel Controller

Myson Century Inc 

MTL007

VIDEO PROCESSOR

General Description

The MTL007 possesses a powerful and programmable video processor by providing the following functions:

Scaling Up/Down, Edge Enhancement (Sharpness & Smooth Control), Gain Control, Brightness Control,

Gamma Gamma Correction, and Dithering Control.

The block diagram of Video Processor is as follows:

FLIP

SCALING

SHARPNESS

SMOOTH

GAIN

BRIGHTNESS

GAMMA

DITHERING

Scaling Factor

Interpolation Table

Sharpness Factor

Gain Factor

Brightness Factor

Gamma Table

Dithering Table

Figure-1 Video Processor Block Diagram

i) Scaling

The MTL007 provides scaling function up ranging from 1 to 32, and for both horizontal and vertical processing.

For scaling up, both horizontal and vertical processing, the MTL007 provides four methods:

Pass Mode: Image will be passed through without considering any scaling factor.

Duplicate Mode: Image will be scaled up based on scaling factor. Every point of output image comes from

the input. By this method, Output image will have a good contrast but may be non-uniformed.

Bilinear Mode: Image will be scaled up based on scaling factor. Every point of output image data will be

filtered by bilinear filter. By this method, output image will have a good scaling quality but may be blurred.

Interpolation Table Mode: Image will be scaled up based on scaling factor. Every point of output image

data will be filtered by user-defined filter.

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