Lpc2000

> 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