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External SRAM on 18F8720 as program memory!?

 
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Purzel
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External SRAM on 18F8720 as program memory!?
PostPosted: Tue Apr 12, 2005 7:08 am     Reply with quote
Hi,

I'm trying to figure out if it's possible to use external SRAM like Samsung KM681000AL as external program memory on the PIC18F8720 in extended mikrocontroller mode.
I've read AN689 from microchip and the 18F8720 datasheet but I'm still not sure if that's possible because in these documents only Flash-Roms are mentioned.
My plan is to store multiple programs in an external eeprom or even a SD-Card and to be able to randomly load these programs into the external SRAM for execution.

Does anyone have some details about that???

Thx
Ian McCrum



Joined: 26 Oct 2003
Posts: 14
Location: Northern Ireland

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PostPosted: Wed Apr 13, 2005 10:25 am     Reply with quote
I have added RAM and Flash EEprom to a 18C801, and executed code from either. I suppose it is similar...
8-)
Ian
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Ian McCrum, email address held at
www.eej.ulst.ac.uk/~ian
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