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Thread: Teensy 4.1 schematic June 2022

  1. #1
    Junior Member
    Join Date
    Jan 2023

    Teensy 4.1 schematic June 2022

    Hi All,

    I'm looking for the updated schematics for the Teensy 4.1 which are newer than June 2022. From this date U2 was replaced by a different, non pin compatible, device and I'd like to connect to the JTAG pins on U2.

    Any idea where these are available?


  2. #2
    Senior Member PaulStoffregen's Avatar
    Join Date
    Nov 2012
    Here is the info you seek, including some important details about powerup sequence if you remove U2.

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