[FRAM71] Pre-Production Batch
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02-10-2015, 02:54 AM
(This post was last modified: 02-10-2015 03:07 AM by Dave Frederickson.)
Post: #19
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RE: [FRAM71] Pre-Production Batch
(02-10-2015 02:19 AM)Michael Fehlhammer Wrote: I have to admit that I didn't really understand Dave's sophisticated considerations, probably it's too late at night right now, but I'd like to contribute a very simple argument why bank switching would be helpful: Correct. Other RAM and ROM's subtract from the FRAM available to the 71B. All 512k of FRAM can't be accessed all at once because of the 71B's 512k addressing limitation. What I think could be done via bank-switching is to disable blocks of FRAM for one configuration and enable different blocks for another configuration. The 71 would configure only the enabled blocks. I would think that it's possible to bank-switch all 16 blocks of FRAM. In reality there's probably something I don't understand about the FRAM71 architecture preventing this. |
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