Lpc2000

Hi Richard,

i think the position of D3,4 is wrong. 
What happens when DTR or RTS  are '1' (negative voltage)?
You better place D3,4 behind the 33k  resitor to protect the drivers
of your PC.

Andreas

--- In lpc2100@yahoogroups.com, "Richard" <richas@y...> wrote:
> I have uploaded this version to the files area.  I also uploaded a 
> picture of the required circuitry.  This circuitry is already 
> implemented on the IAR Kickstart and Keil MCB2100 evaluation boards.  
> It is really handy as ISP development can be done relatively quickly 
> and "hands-off".
> 
> Cheers
> 
> Richard