Lpc2000

Peter Homann wrote:

>Hi,
>
>Can anyone help me with getting my LPC2138 processor to start talking to 
>  the Philips Flash utility again.
>
>A previously explained, it appears to have locked up and I can no longer 
>program it.
>
>Is it possible to screw up the boot loader.
>
>I'd really appreciate some help here.
>
>Cheers,
>
>Peter.
>
>Peter Homann wrote:
>
>  
>
>>Hi,
>>
>>I've managed to stuff up something, so that my MCB2130 board won't 
>>communicate with the Philips download utility. I'm not sure what I've 
>>done. I may have downloaded a hex file for an incorrect processor. Or 
>>maybe erasing the whole chip erases the boot loader.
>>
>>Is there something I can do to get it working again?
>>
>>    
>>
Hold P0.14 low and reset the chip.  You are probably have a valid 
checksum in the Flash and it is jump to that program instead of the 
bootloader.  So, you have to "force" it into the loader.

TomW


-- 
Tom Walsh - WN3L - Embedded Systems Consultant
http://openhardware.net, http://cyberiansoftware.com
"Windows? No thanks, I have work to do..."
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