Lpc2000

[re FPGA power consumption]

Thank you very much, Leon and Wayne, for the comments and suggestions.

I was thinking (vaguely) of building a one-size-fits-most board that
consisted primarily of an LPC2106 and a programmable logic chip of some
sort.  I'm just at the thinking stage, but I have some good leads thanks
to Wayne.

Another thought (sparked by a comment by Stephen Pelc, in
comp.arch.embedded) is the possibility of putting multiple LPC chips on
a single board, with the others as slave I/O processors, or whatever, to
the main chip, stuffing the extra CPUs only when they were useful for
the particular project, but using a "standard board".  I'm now leaning
toward thinking it would be better not to do that but to do a custom
board for each project, primarily to save on board complexity and cost
when the extras were not needed.  (Then, the "standard board" could be a
set of several variants in the CAD software.)

Along that line, perhaps running some of the LPC chips from very slow
external clocks could get their power consumption very low -- perhaps
for a keyboard scanner or other purpose where I might want some logic to
stay awake all the time but working very slowly would be adequate.
(De-tuning an ARM to the speed of a PIC or Atmel chip (?) and thus
getting PIC-sized power consumption, but keeping a single instruction
set.)

-- 
Frank