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Re: The ETHERNAT is FINISHED!!
Posted by: hencox Aug,10.2005-14:13 

Hi!

We have tried it with 100MHz but it's not fully stable, so we recommend that you go slightly below 100MHz. 95MHz or so should be fine. Experiment! :)

We've tested the system (by using floodping with 1400 bytes packets for around 12 minutes, sending over 400000 packets with 0% loss) at 66 and 80 MHz, and it's perfectly stable. However with 100MHz it's only stable without the EtherNat inserted. With the EtherNat probably the data lines become too long and because the CT60 lacks series resistors on the data lines near the 060, ABE and SDR this results in nasty spikes and reflections that challenge the timing too much (some spikes go way up to 5.7V, and this is a 3.3V system...). We can't do anything about this, unfortunately.

We'll get a CTCM soon, so that we can find the highest possible frequency that is stable.

/Henrik








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Topic Posted by  Date 
The ETHERNAT is FINISHED!!! hencox Aug,09.2005-12:07
  Re: The ETHERNAT is FINISHED!!! evil Aug,09.2005-13:00
  Re: The ETHERNAT is FINISHED!! Peter Aug,09.2005-13:13
  Re: The ETHERNAT is FINISHED!! Coda Aug,09.2005-13:23
    Re: The ETHERNAT is FINISHED!! earx Aug,09.2005-13:50
      Re: The ETHERNAT is FINISHED!! CiH Aug,09.2005-13:56
        Re: The ETHERNAT is FINISHED!! gwEm Aug,09.2005-14:29
          Re: The ETHERNAT is FINISHED!! Coda Aug,09.2005-14:50
            Re: The ETHERNAT is FINISHED!! gwEm Aug,09.2005-15:18
              Re: The ETHERNAT is FINISHED!! Adam Klobukowski Aug,09.2005-15:23
              Re: The ETHERNAT is FINISHED!! natter Aug,09.2005-16:49
                Re: The ETHERNAT is FINISHED!! CiH Aug,09.2005-17:25
                  Re: The ETHERNAT is FINISHED!! JoeAtari Aug,09.2005-17:32
            Re: The ETHERNAT is FINISHED!! Uli Aug,09.2005-17:49
            Re: The ETHERNAT is FINISHED!! Gildor Aug,09.2005-18:13
        Re: The ETHERNAT is FINISHED!! Carbon Aug,14.2005-02:37
          Re: The ETHERNAT is FINISHED!! raphael Aug,14.2005-20:01
            Re: The ETHERNAT is FINISHED!! Coda Aug,14.2005-22:46
  Re: The ETHERNAT is FINISHED!! Didier Méquignon Aug,09.2005-17:56
    Re: The ETHERNAT is FINISHED!! hencox Aug,10.2005-14:13
      Re: The ETHERNAT is FINISHED!! Joe Iron Aug,10.2005-16:33
      Re: The ETHERNAT is FINISHED!! Joe Iron Aug,10.2005-16:54
        Re: The ETHERNAT is FINISHED!! Instream Aug,10.2005-18:22
          Re: The ETHERNAT is FINISHED!! Joe Iron Aug,10.2005-21:39
      Re: The ETHERNAT is FINISHED!! Joe Iron Aug,11.2005-08:57
        Re: The ETHERNAT is FINISHED!! Coda Aug,11.2005-12:49
        Re: The ETHERNAT is FINISHED!! Joe Iron Aug,11.2005-14:02
        Re: The ETHERNAT is FINISHED!! Peter Aug,11.2005-17:26
          Re: The ETHERNAT is FINISHED!! Joe Iron Aug,11.2005-18:54
            Re: The ETHERNAT is FINISHED!! hencox Aug,12.2005-01:01
              Re: The ETHERNAT is FINISHED!! Adam Klobukowski Aug,12.2005-11:43
  Re: The ETHERNAT is FINISHED!! sqward Aug,14.2005-20:24
    Re: The ETHERNAT is FINISHED!! Coda Aug,14.2005-22:47
      Re: The ETHERNAT is FINISHED!! sqward Aug,15.2005-08:19
        Re: The ETHERNAT is FINISHED!! instream Aug,20.2005-23:02
          Re: The ETHERNAT is FINISHED!! hencox Aug,20.2005-23:23
            Re: The ETHERNAT is FINISHED!! hencox Aug,20.2005-23:24
          Re: The ETHERNAT is FINISHED!! Coda Aug,21.2005-14:46
  Re: The ETHERNAT is FINISHED!! Delta 99 Aug,23.2005-14:26
    Re: The ETHERNAT is FINISHED!! Peter Aug,23.2005-18:59


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