Continued from DEMO9S12XDT512 oscilator (Part 1)This message contains an entire topic ported from a separate forum. The original message and all replies are in this single message. We have seeded this new forum with selected information that we expect will be of value to you as you search for answers to your questions.
> > Look at the PLL jitter specs and tell me where the problem is - I didn't find any.
> The specs does not tell all. In my case where I used the byteflight
I measured less jitter than specified.
> in the 9S12DB128 with PLL. The byte flight was useless when using a
> PLL at full speed, jitter was too much so I have to use can oscillator, more stable.
That's interesting. Maybe it's because Byteflight is much faster than CAN. I never had problems with CAN at speeds between 125kBits/s and 1MBit/s, and with the (low) PLL jitter there shouldn't be any problem unless you try to go to the limits (1MBit/s with long cable).