Kirk Wallace wrote:
> I seem to recall the ARM chips had a cache between the core and the I/O
> buss. I browsed some links to the Blackfin chips and wonder if this link
> indicates a more direct link between the core and the PPI and other I/O?
> http://www.analog.com/en/processors-dsp/blackfin/adsp-bf537/processors/product.html
>  
>
> At 600MHz, these chips seem to scoot pretty well too.
>   
The Blackfin is almost certainly capable of much higher 
software-directed I/O.
But, it is also a much harder chip to use, Harvard architecture and all, 
and may
well not be able to run a Linux system.  The Beagle Board has 256 MB of main
memory, cache, USB and MMC (SD memory cards) all built in.

Jon

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