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Re: An FPGA card for Apple
On Jan 19, 3:12 am, MdntTrain <j...@cimmeri.com> wrote:
> If 14MHz were on the bus, would you then be able to use the Cyclone
> II? If in that case, you could, then in reality, is there no way to
> tap the 14MHz off some IC?
My MPF-III has 14MHz on the bus (using a pin that is N/C on the
genuine Apple II).
I have seen simple circuits that can double the frequency of a clock
e.g. http://www.maxim-ic.com/appnotes.cfm/an_pk/3327 for one.