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Thread: Teensy 4.1 bootloader

  1. #1
    Junior Member
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    Teensy 4.1 bootloader

    Hey

    I need to write a bootloader for teensy4.1 for ethernet programming. I found on this page https://www.pjrc.com/store/teensy41.html
    that the bootloader is located in a dedicated chip, but I was not able to find out which one. Can someone please help me
    Thanks!

  2. #2
    Senior Member+ Frank B's Avatar
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    You can't write the bootloader.
    You can write to the teensy-flash,( but not to the bootlader )
    That works with a normal Teensy - no extra booloader chip needed.

  3. #3
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    Thanks for reply, so im not able to program the teensy through ethernet port ?

  4. #4
    Senior Member+ Frank B's Avatar
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    Quote Originally Posted by the_boss View Post
    Thanks for reply, so im not able to program the teensy through ethernet port ?
    Directly, no.
    But you may ask the friends in this thread: https://forum.pjrc.com/threads/43165...light=flashing

  5. #5
    Junior Member
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    Thanks I will try that

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