[NBLUG/talk] Bare metal question

Mitch Patenaude mrp at sonic.net
Sun May 25 11:20:15 PDT 2003


On Sunday, May 25, 2003, at 11:05 US/Pacific, ME wrote:
> I can't think of anything that can be stored at an address in RAM that
> can't be stored in a register. (Note, "an address" being the same
> bit-size/width of the largest register.)

I will make this one nitpicky distinction.  DMA devices can read 
from/write to memory, but cannot access registers.  So what cannot be 
stored in registers is DMA I/O data.

   -- Mitch




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