Lpc2000

That was exactly what it was.  I had contact Keil and they said it
looked like my software was fine so I then check pin by pin my design to
the data sheet to check I had the pins all in the proper state at reset.
I found I had the bootloader pin tied low rather than high.  Tying it
high fixed the problem.
 
Thanks for the assistance.
 
TLM
 
-----Original Message-----
From: lpc2000@yahoogroups.com [mailto:lpc2000@yahoogroups.com] On Behalf
Of Robert Wood
Sent: Thursday, April 28, 2005 10:05 AM
To: lpc2000@yahoogroups.com
Subject: Re: [lpc2000] setting up startup.s and environement for single
chip lpc2294
 
Thomas said:

>> We are using the LPC2294 and the Keil Tool set and debugger.

I can successfully run and debug the code while using the Keil Ulink
debugger, but I cannot figure out what I have to do to get it to run
after reset with the debugger disconnected.  I have the boot0 and
boot1 pins pulled high at reset to boot from internal flash.   <<

When I was getting my LPC2294 up and running I had the same problem 
(albeit with a different compiler) and it was because P0.14 was low on 
reset.

Check P1.20 as well, I have it marked on my schematic to pull this high 
too. That might be something to do with using the port 1 pins as trace 
pins, I can't remember off the top of my head.

IIRC if exception vector checksum is incorrect it could affect boot.

Cheers,

Rob


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