Re: Math processor


"James Waldby" <j-waldby@xxxxxxxx> wrote in message
news:431A54E1.869C1265@xxxxxxxxxxx
> john jardine wrote:
>> "J. Davidson"... wrote ...
>> > "Frithiof Andreas Jensen"... wrote ...
>> > > <netbogus@xxxxxxxxx> skrev i en meddelelse
>> > > news:1125063309.839675.110960@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> ...
>> > http://www.micromegacorp.com/
>> >
>> > Jerry
>> >
>> Nice link. On point of buying one but couldn't find any cycle times.
>> Years of reading datasheets leaves the suspicion it could be out in the
>> seconds area.
>> Any idea of a ballpark time for say a multiply? or a Sine?.
>> regards
>> john
>
> I don't see precise timing either, although page 4 of
> http://www.micromegacorp.com/downloads/documentation/uMFPU-V1%20Data***.pdf
> may imply 25 and 75 microseconds for some operations.
> -jiw


The chip is a Cypress CY8C27143 preprogrammed microcontroller.

The instruction timing for version 1.0 is here. Version 2.0 shouldn't be
that different.
http://www.micromegacorp.com/downloads/documentation/uMFPU-V1%20Timing.pdf

Regards!
Jerry


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