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Lpc2000

Index last updated: 2026-04-28 23:31 UTC

Message

Re: secondary jtag

2004-07-06 by Jim Beagley

--- In lpc2000@yahoogroups.com, "Jim Beagley" <jim5272@h...> wrote:
> --- In lpc2000@yahoogroups.com, Shannon Holland <holland@l...> wrote:
> > 
> > On Jul 1, 2004, at 11:21 PM, Leon Heller wrote:
> > 
> > > There is a good expanation of the secondary JTAG quirks here:
> > >
> > > http://www.ashling.com/support/lpc2000/knowledge_base.html#
> > >
> > 
> > That's a useful page - thanks! Lots of good info overall.
> > 
> > Looks like I'm doing everything correctly at my end, just some
quirk in 
> > the Nohau tools that's keeping them from programming flash. I will 
> > follow up with them.
> > 
> > Shannon
> 
> Shannon,
>   It made all the difference in mine when I just removed the JCLK pi
> alltogether. I am using the same setup as you are. One note, I still
> have to switch back and forth, as the secondary will occaisonally
> still fail, and force me to use the Pri. JTAG to get code back in the
> part.
> 
> Jim B.

---- sorry for the SPAM, but the pin i removed was JTAG_RTCK
Work great ever since.

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