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AN3969 EEPROM emulation in STM32F40x/STM32F41x microcontrollers

ingjohn
Associate II
Posted on March 18, 2013 at 19:28

I want to implement an  AN3969 to EEPROM emulation but I have not the drivers eeprom.h eeprom.c., I have a module STM32F4DISCOVERY.

anyone have these files??, thanks.

#an3969 #eeprom-emulation
4 REPLIES 4
Posted on March 18, 2013 at 21:29

Google a part, say ''STM32F405RG''

http://www.st.com/web/catalog/mmc/FM141/SC1169/SS1577/LN1035/PF252144

Go to ''Design Resources'' tab, Find ''EEPROM emulation'' in software downloads

Volia!

http://www.st.com/web/en/catalog/tools/PF257902

http://www.st.com/st-web-ui/static/active/en/st_prod_software_internet/resource/technical/software/firmware/stsw-stm32066.zip

Although to be honest using 16K, or larger, flash elements to do this isn't very efficient, and has non-realtime appropriate side effects.
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ingjohn
Associate II
Posted on March 18, 2013 at 21:42

Thanks Clive1, I'm just doing some testing and learning.

I was looking for but could not find a good link.

Posted on March 18, 2013 at 22:13

I was looking for but could not find a good link.

The site is quite a nightmare to navigate, it was reconfigured last month, but stuff is non obvious, and not titled in a way that Google, Bing, etc would naturally lead you to the right spot. Ideally you'd want it to say AN3969 somewhere on the download page itself?

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ingjohn
Associate II
Posted on March 18, 2013 at 22:33

i agree with you, thanks again