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Lpc2000

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Message

Re: HOT Debuging

2005-04-10 by lxlxlx_83

--- In lpc2000@yahoogroups.com, "Anton Erasmus" <antone@s...> wrote:
> 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

Careful!  

An ethernet transformator has not been arranged for netspanning! A
colleague of me have kept at that a defective scoop, and it wanted to
can end worse.

Sorry for this a little bad automatic translated text, but my English
is yet more awful..

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