Minimum RTEMS system clock frequency

Chris Johns chrisj at rtems.org
Fri Mar 20 00:54:12 UTC 2015


On 20/03/2015 11:27 am, Joel Sherrill wrote:
>
> 20 Hz is a 50 millisecond period.
>

Ah, thanks. I read it on a phone as 20KHz and was confused and did not 
reread.

> I have assumed that he meant this was the largest clock tick time quantum which is reasonable to configure.

50msec is fine with me even on a slow cpu clock speed.

>
> Why is that?
>

Also I wonder what the code size trade off is for small memory targets 
compared to what we currently have ?

Chris



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