Lpc2000

did you have a look at Intel's PXA... processors with built in lcd 
controller ?


--- In lpc2000@yahoogroups.com, Eric Rullens <gorilla@d...> wrote:
> > i was planning on accessing the ram via a state machine, 
> > where read and write cycles alternated, thus
> > using a 55ns ram this would give me at least 7 megabytes / 
> > sec. this equates to a 140ns write access time to the cpu
> > 
> > the qvga mono needs to read 9600 bytes / frame, so its access 
> > to the ram is approx 600kilobytes / sec.
> 
> Ok.
> 
> > even a color tft qvga with 16 bit color would be only twice this
> 
> How did you do the maths on this one?
> 
> 320 x 240 pixels, 2 bytes per pixel, 60 frames/s
> 
> 320 x 240 x 2 x 60 = 9.2 Mbytes/s
> 
>   Eric