Lpc2000

Alexandre PETIT wrote:

>Hi,
>
>During the reset, you would like to verify the state of pins which give the boot mode : internal flash, external peripherical on CS0 or other.
>
>  
>
yeah, this got me too.  I misread the user manual of the LPC2xxx and had 
a pullup on the wrong pin.  The LPC2xxx processors don't have internal 
pullup resistors.  You have to make sure that P0.14 is pulled high with 
something like a 10K resistor.

TomW






>good luck
>
>Alexandre
>
>
>
>  ----- Original Message ----- 
>  From: Klaus 
>  To: lpc2000@yahoogroups.com 
>  Sent: Monday, October 17, 2005 3:25 PM
>  Subject: [lpc2000] flashing an elf-file to internal Flash
>
>
>  I am downloading an elffile to the internal Flash. I write the
>  sections with IAP. So far everything works. But after reset, the
>  program doesnt start. I set the valid User Code Signature and i
>  reserve the top 32 bytes of the internal Ram. Has anybody experience
>  with that topic or a clue, what could go wrong?
>  Thanks in advance, Klaus
>
>
>
>
>
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-- 
Tom Walsh - WN3L - Embedded Systems Consultant
http://openhardware.net, http://cyberiansoftware.com
"Windows? No thanks, I have work to do..."
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