>> 
>> I was thinking particularly about a current design, but it would be applicable to any system where
>> the main application already has : 
>> a) An external eprom or serial flash etc. memory big enough to hold a code image
>> b) Some communications link capable of reading/writing to the eeprom. 

>If you're going to add an extra chip why not simply add a second PIC and 
>use that to program the first in LVP mode? There would be lots of benefits 
>in this including the ability to program the config words.

If you read my original post, I said it was applicable to systems where the external EEPROM was
ALREADY present in the product. it would not make sense otherwise.


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