I'm looking at driving an 800x400 LCD over USB. I could do this with a
PIC32 controllerless LCD (PMP or EBI DMA) system, but it appears I need a
frame buffer. For more than 8 bits per pixel, the frame buffer does not
fit on the chip, and costs start going up.

In another product, we're sending video over several LVDS pairs to an LVDS
to LCD interface chip. That works well there, but the new processor does
not have the LVDS lines available. So, we're looking at USB.

It SEEMS that there would similarly be a USB to RGB LCD controller chip
that does not have or need a frame buffer. Instead, the pixels would just
be streamed over USB and sent to the LCD.

Anyone know of such a chip?

THANKS!

Harold



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