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fm24c64_256.lib for "normal" i2c-eeprom?

 
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kartmanne

Bascom Member



Joined: 02 Mar 2018
Posts: 31

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PostPosted: Sat Oct 26, 2024 7:12 pm    Post subject: fm24c64_256.lib for "normal" i2c-eeprom? Reply with quote
HI,
I want to use external eeprom at XMEGA32. I found, fm24c64_256.lib is available to simple use same variables and commands as for internal eeprom.
example:
Code:
DIM a as byte
DIM e as eram byte
a=e
...

sounds simple, I like bascom avr Smile

But the bascom avr help description just shows information for ramtron eeproms in combination with the fm24c64_256.lib. These eeproms use i2c - same as "normal" i2c-eeproms.

In the help description I found this notice (FM24C64_256-XMEGA):
Code:
  ee(adres) = adres
  waitms 20                                               ' ONLY FOR NORMAL EEPROM , REMOVE FOR RAMTRON
next


Does that mean that using additionally "waitms XY" after a r/w access to a "normal" i2c-eeprom will cover the typically longer w/r time of normel i2c-eeproms and ... using the fm24c64_256.lib will function for these eeproms, too?

(BASCOM-AVR version : 2.0.8.6 )
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Manfred
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_jarek_

Bascom Member



Joined: 06 Aug 2014
Posts: 9

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PostPosted: Sat Oct 26, 2024 8:04 pm    Post subject: Reply with quote
Theoretically, yes. FRAMs do not need extra time for read and write commands.
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