Its a MPC5668x ? Am 17.12.2015 um 12:07 schrieb Ilija Kocho [Илија Кочо]: > On 17.12.2015 11:31, Privat wrote: >> Dear Ecos Developers and Maintainers, >> >> i have a question regarding the real time clock. >> I have a FreeSacle which runs at 116 Mhz, which means i have 1 000 000 >> 000 ns / 116 000 000 or 8ns per cycle. > Is it a Kinetis? > >> I set the dividend to 1000, and the divisor to 116 which following the >> documentation (http://ecos.sourceware.org/docs-2.0/ref/kernel-clocks.html) >> - should always yield the ratio of ns between clock ticks. >> Unfortunatly that does not result in correct values. >> >> Strange as it sounds, the default works near perfect. >> But reading the realtime clock resolution i got a dividend 1000000000 >> and a divisor of 1000 - which would be correct for a 100 Hz processor. >> >> Any help or advice is welcome. I would also like to know, how the system >> is able to derive its own cyclerate. >> >> Regards Picasso >> >
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