Reply by PeterElliot March 11, 20072007-03-11
Rob,

>From secton 2.3 of the manual:

> The display has an embedded controller, IS2102B from ISRON.
> This controller chip has 1.3 Mbit embedded display RAM,
> which is enough for storing a complete 320xRGBx240
> picture with 18 bit color depth.

Hope this helps,

PJE

PS. Thanks for the link. I think I could use that display on one of
my future projects.

An Engineer's Guide to the LPC2100 Series

Reply by ligfietser2003 March 10, 20072007-03-10
my lpc2468 board with QVGA LCD arrived today (see
http://www.myvoice.nl/electronics/index.php for some preliminary info
& photos). There is already a uClinux port on the board that allows me
to test the LCD module - looks good.

The datasheet of the controller is delivered with the module. It can
be used via 8/16 bits parallel and via SPI interface and uses (as far
as I have seen) a software interface similar as found on other LCDs
where you can set a window and start writing pixels in that window.

On my lpc2104 board the SPI controlled display was even fast enough to
show some animation so with a faster SPI interface (up to 10 MHz clock
according to the LCD controller spec) you should be able to do some
nice things.

Good thing on this display is that is is ram-based, meaning that no
memory bandwith is taken up by the LCD interface and your controller
may even be in standby.

Regards,

Rob
Reply by ligfietser2003 March 10, 20072007-03-10
Mark,
h.264 or mpeg-4 support is not per-se part of the LCD controller.
Most implementations use specific accelerators.

So, if there was support for thiss it would be in the datasheet.
It's still interesting to know which LCD controller was chosen. Is it
a plain framebuffer driver or are multiple channels supported (i.e.
hardware windowing support).

I also needed only simple graphics with a key based user interface and
just selected the 2468 for my application
http://www.embeddedartists.com/products/uclinux/oem_lpc2468.php is a
complete system with 320x240 color LCD and the LCD can be configured
to use an SPI interface or 8/16 bits parallel interface - depending on
the amount of I/O lines that you can spare.

The board is due to arrive any day now (if international deliveries
are still on track the board will arrive today).

Regards,

Rob

--- In l..., "markcrow" wrote:
>
> NXP (Web site and support folks) don't seem to have any information
> about this controller and don't know what kind of LCD will come with
> the 2478 eval board (in May?). I've been doing a bit of research and
> my wild guess at this time is that this controller is intended to
> support H.264/MPEG-4 AVC (advanced video coding). Anyone out there
> know anything about all this? I was hoping to use the LCD controller
> but only for a simple graphics application (and color maybe). Now I'm
> afraid I'll be looking at a complex stack to drive an LCD.
>
> Anyway, any info would be welcome....and thanks in advance.
>
Reply by markcrow March 9, 20072007-03-09
NXP (Web site and support folks) don't seem to have any information
about this controller and don't know what kind of LCD will come with
the 2478 eval board (in May?). I've been doing a bit of research and
my wild guess at this time is that this controller is intended to
support H.264/MPEG-4 AVC (advanced video coding). Anyone out there
know anything about all this? I was hoping to use the LCD controller
but only for a simple graphics application (and color maybe). Now I'm
afraid I'll be looking at a complex stack to drive an LCD.

Anyway, any info would be welcome....and thanks in advance.