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Lpc2000

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Message

Re: Using flash memory instead of eeprom?

2005-01-31 by ntfreak2000

--- In lpc2000@yahoogroups.com, "Rajkumar Shetgar (RBIN/ECR2)" 
<Rajkumar.Shetgar@i...> wrote:
> Hi,
>  
>     Its always better to have EEPROM if you have frequent write 
cycles.
> Flash used for code memory has roughly around 1000 write cycles, 
where
> as if its data flash it has around 10,000+ write cycles. And EEPROM 
has
> around 1 million write cycles. 
>  
> Regards,
> Raj
> 
>   _____  
> 
> From: gewitter2000 [mailto:martin@c...] 
> Sent: Monday, 31. January 2005 6:43 PM
> To: lpc2000@yahoogroups.com
> Subject: [lpc2000] Using flash memory instead of eeprom?
> 
> 
> 
> Hi!
> 
> Has someone used the flash memory of the lpc21xx for eeprom 
purposes?
> Or is it more usefull to take an additive eeprom to the design? I 
only
> want to store some parameters.
> 
> Thank you for feedback!
> Martin
> 
> 
> 
> 
> 
>   _____  
> 
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> [Non-text portions of this message have been removed]

I have used this technique with the ST STR7 devices, they have a 
write cycle of 100,000 and if combined with a linked list type 
structure to minimise using the same blocks it is a cheap method of 
eeprom emulation.

Regards
sjo

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