2009/12/2  <a...@conceptmachinery.com>:
>
> I want to explain what i have. My machine is very simple - 3 axis
> I have 2 5i20 and 4 7i37 cards. I think i will be better without of
> 74hc148 and maybe without sd3486.

I make that 336 general purpose I/O bits in total, which seems rather
a lot for 3 axes. I don't think there is any point at all worrying
about hardware multiplexing.

I am doing 4 axes with a single 7i46 and have no worries at all about
pin count.

-- 
atp

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