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Writing PIC's internal EEprom externally

 
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fuzzy



Joined: 26 Feb 2005
Posts: 64

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Writing PIC's internal EEprom externally
PostPosted: Thu May 05, 2005 5:06 pm     Reply with quote
Hi,

is there a way to write some information in internal PIC EEprom using ICSP and pic programmer? I'd like to write a serial number in eeprom and the i'd like to read it without reading and writing all the PIC code.

I need a fater way to write data in PIC.
I also would like to protect this number written in eeprom.

thanks
Mark



Joined: 07 Sep 2003
Posts: 2838
Location: Atlanta, GA

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Re: Writing PIC's internal EEprom externally
PostPosted: Fri May 06, 2005 8:43 am     Reply with quote
fuzzy wrote:
Hi,

is there a way to write some information in internal PIC EEprom using ICSP and pic programmer? I'd like to write a serial number in eeprom and the i'd like to read it without reading and writing all the PIC code.

I need a fater way to write data in PIC.
I also would like to protect this number written in eeprom.

thanks


Of course. But a serial number might be better stored in the ID locations.
fuzzy



Joined: 26 Feb 2005
Posts: 64

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PostPosted: Sat May 07, 2005 4:09 pm     Reply with quote
How can I write the ID location? how many carachters can i write in it?


what i'd like to do is: write this number in eeprom and protect it. so i could read it only from pic and visualize it as binary code in led indicator.

i think i can't protect id location, can I?

in your opinion which is the best way to do it??
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