Lpc2000

At 09:19 PM 7/8/04 +0100, you wrote:
>Robert Adsett wrote:
> > Add a small cheap micro to snoop on the incoming (RxD) serial line of the
> > LPC.  When it detects some unique sequence that is not valid for the
> > program in the LPC it asserts the reset line and pulls P0.14 low.  It can
> > then deassert the reset line and voila you are in ISP mode.  On reset (or
> > another unique sequence) it simply lets the reset and P0.14 lines float
> > free again.
>
>Good idea, especially if the simple uC can perform some other useful
>task as well.
The one that occurred to me is, since it's already hooked up to the the 
reset line, it could make a pretty sophisticated application specific 
watchdog timer.

Robert

" 'Freedom' has no meaning of itself.  There are always restrictions,
be they legal, genetic, or physical.  If you don't believe me, try to
chew a radio signal. "

                         Kelvin Throop, III