Lpc2000

----- Original Message ----- 
From: "Bill Knight" <BillK@...>
To: <lpc2100@yahoogroups.com>
Sent: Friday, December 19, 2003 8:25 PM
Subject: Re: [lpc2100] Re: ARM JTAG


> Has anyone in the group had a lot of experience debugging the LPC via
> the JTAG interface?  We have had a lot of problems on a previous
> AMR7TDMI processor with a nTRST.  Simply connecting it from the JTAG
> connector to the processor was not enough to consistently get the
> processor into debug mode.  The manufacturer has removed the signal
> fom the processor on newer family members.
>
> In chasing the problem I have seen several bits of circuitry for
> addressing the problem on other ARM7TDMI designs.  I'm wondering if
> the LPC is going to need something in order to get it to work
> reliably.

The Rowley Associates debugger works fine for me with a Wiggler. I've got
details of the connections I'm using on my web site.

Leon
--
Leon Heller, G1HSM
Email: aqzf13@...
My low-cost Philips LPC210x ARM development system:
http://www.geocities.com/leon_heller/lpc2104.html