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  1. SPI communications leaking into DAC output

    Hello all,

    I am using a Teensy 4.0 with SPI communications to a LTC1859 (ADC) and AD5689 (DAC). Both are powered via the 5V Vin pin on Teensy 4.0 (which is powered over USB). Both are using the...
  2. Replies
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    Thanks KurtE, this works. Previously I replaced...

    Thanks KurtE, this works. Previously I replaced the SPI.begin() with SPI.beginTransaction(...) so it didn't work..

    cheers
  3. Replies
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    3,520

    I am having the same problem with Teensy 4.0 - it...

    I am having the same problem with Teensy 4.0 - it hangs on the first spi.transfer command that is executed.

    I am interfacing teensy 4.0 with a quadrature encoder chip (LS7366R) via SPI.
    The code...
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