Lpc2000

On 1 Apr 2005 at 13:54, Marko Pavlin wrote:

> 
> I have a project with LPC21xx, directly supplied from non-isolated
> mains. Is there a possibility to optically isolate JTAG use ULINK? For
> development purposes I can use isolation transformer, but I would like
> to isolate hot part of the circuit from my PC to avoid any fatal
> accidents and stil have JTAG debuging.
> 

If you are using a JTAG debugger with a serial interface, then it is not to difficult to
opto-isolate the serial connection. A ethernet interface is already isolated, and you
can put a small switch inbetween the debugger and PC, to add more isolation.

Regards
   Anton Erasmus
-- 
A J Erasmus