In message  <3.0.1.16.19970604040259.41076e48.....spamBeGonemail.wantree.com.au>
PICLIST@spam@STOPspamMITVMA.MIT.EDU writes:
[ snips ]
>
> In my old days I had one design that used dual Z80B.
>
> Anyone considered their solution would employ more than one PIC, and
> as a result have any observations to offer ?
>

I considered it in a recent project, but ended up with a single PIC.

The application would have needed some transfer of data between the
2 PICs. It soon became apparent that they were going to spend more time
handing the data transfer than they were on their primary task.

So instead of 2 C84s, I went for a single C73.

Synergy does not apply to multi-processor systems. You always end up
with less than the sum of the parts because of the overhead of sharing
data.


Regards,


Mike Watson

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