[time-nuts] FE-.5680A trimming resolution

Javier Herrero jherrero at hvsistemas.es
Tue Jan 31 16:19:32 EST 2012

El 31/01/2012 21:47, Attila Kinali escribió:
> This was exactly the device i intended to use.
> But it doesnt really have 32bit timers. They cascade two 16bit timers
> to get 32bit, but then all kind of restrictions apply which make the
> timers unusable. And when using 16bit timers, i'll get an overflow
> every 800us (at 80MHz clock).
I see... for edge count and edge time, only individual timers and not 
concatenates. I've had a look to the LM3S9D96, and it is more or less 
the same (the exception is that it is marketed as 4 32-bit timers that 
can be used as 8 16-bit timers :) ), and I suspect that all the family 
will have similar behaviout. A pity... since for Ethernet it includes 
the LAN and PHY on-chip.



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