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Cyclone (for ARM) target voltage protection
Mike A. Nov 8, 2017 at 03:30 AM (03:30 hours)
Staff: Huajun L.

  • I see from the data sheets that Cyclone programmers are 'production ready' with voltage protection circuitry but I have not been able to find out what the ratings of that are.  Another post in the forum states that they have zener and schottky diode protection but I need to know whether, in a fault condition on the target, the programmers would be safe against 36VDC appearing on their programming ports.  I'm currently using Cyclone for ARM programmers.

    Thanks, Mike.


    • Hi Mike,

      Which Cyclone for ARM revision are you using? The rev is on the back label.


  • Hi Johnny,

    It's Cyclone_ACP Rev B.



  • Hi Mike,

    The Schottky diodes we use are rated 40VDC. So your 36VDC on programming ports should be fine.

    Best Regards

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