Replacing PCMCIA SRAM card?
From: Arash Salarian (arash)
Date: 03/30/04
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Date: Tue, 30 Mar 2004 10:29:43 +0200
Hi,
I'm working with an old design that uses PCMCIA SRAM cards to store data.
Today these cards are very expensive so I wonder if I can replace the SRAM
card with a Flash card. I was thinking of using a Linear Flash card but I've
never used such a thing before. I don't know how different they are from
SRAM. SRAM card was simply a memory space in my microcontroller's view so
there was really no problem. I know that I can READ the linear flash card
the same way but I wonder how I can write to it. In my application, each
address location will only be written once (it's a DAC application), though
I don't know if this information will help or not. Is it possible to erase
the flash card and then to do a random write to address locations (bytes or
words) on it? What other options do I have besides PCMCIA linear flash? I
need minimal changes from SRAM card protocol as the development in this
project is basically freezed and these changes are just a maintenance not a
complete redesign. Any help and insights would be appreciated.
Regards
Arash
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