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 Post subject: I2C OR SPI FRAM?
PostPosted: Wed Apr 15, 2009 1:06 pm 
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Citizen

Joined: Mon Jun 23, 2008 8:39 am
Posts: 18
I'm here again....
is it better a I2C FRam or Serial FRam?
I've seen the Ramtron products, my aim is to interface a ram module with atom 40 module for writing and reading as rapidly as possible.

Regards
Deny


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 Post subject: Re: I2C OR SPI FRAM?
PostPosted: Wed Apr 15, 2009 5:40 pm 
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Master

Joined: Sun Aug 17, 2008 5:26 pm
Posts: 798
Location: CA bay Area
Hi. :)
What do you mean by "better"? Price? Parts availibility? Ease of use? Available code/examples?

I haven't used either protocol, but SPI appears easier to implement from what I've read. IIRC, the I2C offers larger sizes. Neither is terribly expensive until you get to the largest sizes. FRAM is better than EEPROM because it reads/writes faster and has more write cycles, like 10^15 (ten to the fifteenth power!).

Do a search of the forums using "serial" or "I2C" or "FRAM" and see what you find.
Take care,
kenjj

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