What is the signal path between embedded processor and LCD?

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buenos

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xga lcd signal

Hi.

What is an usual signal path between an embedded processor (DSP, or X89 compatible) and a large (VGA/XGA) color LCD-TFT display module?

I found an LVDS transmitter (National: DS90CF363B) IC and a North bridge (SIS_m741 or something from Intel) circuit for that. But they are not be able to connect together. Something is missing between them.

I am nterested in two (both) things:
-connect a DSP (like Blackfin) with a general system bus, to the XGA LCD.
-connect an AMD GEODE_NX processor to the LCD.

Is there a graphics/VGA controller needed? Where can I obtain that? At least a datasheet, to know, something first? Which semiconductor company manufactures something to that role?
The north bridges usually contain an AGP interface, but it is not a parallel video interface.
 

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