> Hi,
> The good news is that I got a couple Hitachi LM215XB LCD panels in
> ruggedized cases at low cost, which I plan to use on my small mill in
> my (garage) shop. Plan to display numbers, text and simple line art
> graphics on them.
>=20
> Bad news is that they seem to be a fairly odd configuration -- driven
> by a roughly 1 MHz 1-bit-per-pixel data stream at 1/64 duty cycle as 4
> quarter panels in parallel, i.e., four 240x64 quadrants. Each clock
> cycle I have to provide a 4-bit nibble in parallel to the panel, which
> is demuxed 1 bit per quadrant.
>=20
> Haven't found any current LCD controller chips to handle this weird
> (how weird is it?) format. But seems like I could fake it by dealing
> with the panel as if it were grey-scale, 240x64x4, where I do the
> conversion/muxing of a 480x128x1 frame buffer to 240x64x4 frame buffer
> upstream (i.e., in my microcontroller).
>=20
> In fact, with a PIC32, using a DMA channel and the sync serial
> peripheral, it looks like I can almost replace the entire LCD
> controller.
>=20
> Comments? Suggestions?
>=20
> Mike

I would suggest you look at the PIC24xxxDAyyy Graphics Controller chips.
They have a GPU in them that I suspect will handle this interface.
--=20
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--=20
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