Lpc2000

See this app. note:

http://www.semiconductors.philips.com/acrobat/applicationnotes/AN10302
_3.pdf

Rich

--- In lpc2000@yahoogroups.com, Robert Adsett <subscriptions@a...> 
wrote:
> At 02:18 PM 10/4/04 -0400, you wrote:
> >I'm revising an LPC2106 board and making its console port 
compatible
> >with the "Use DTR/RTS for Reset and Boot Loader Selection" option 
of the
> >"LPC2000 Flash Utility."
> >
> >Just as a final sanity check..
> >
> >I am connecting DTR through an RS232 receiver and an open-collector
> >inverter to RST (pin 6), and I am connecting RTS through an RS232
> >receiver and an open-collector inverter to PC0.14/DCD1/EINT1 (pin 
44).
> >So, when the PC drives DTR "true" (-12V) it will drive pin 6 low 
and
> >reset the LPC2106, and when it drives RTS "true" (-12V) it will 
drive
> >pin 44 low and place the part into 'load' mode.
> 
> Compare to schematics at 
> http://www.aeolusdevelopment.com/Articles/InSystemProgramming.html
> 
> 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