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Thread: Teensy 4.1 from Digikey. With or Without Ethernet ?

  1. #1
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    Teensy 4.1 from Digikey. With or Without Ethernet ?

    Digikey has Teensy 4.1 in stock now but it doesn't say whether it is with or without ethernet.

    https://www.digikey.com/en/products/...16771/12180099

    I assume it is with ethernet ?

    Paul, please confirm.

  2. #2
    Senior Member brtaylor's Avatar
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    If you read the item description, it's the same as the SparkFun Mfg # 16771, which is here:
    https://www.sparkfun.com/products/16771

    Having recently bought a ton of these from SparkFun, it is a Teensy 4.1 without headers and without the ethernet jack.

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    I wasn't referring to the ethernet jack. More referring to the ethernet PHY.

    On PJRC.com there are versions with and without ethernet.

    https://www.pjrc.com/store/teensy41.html

  4. #4
    Senior Member brtaylor's Avatar
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    Quote Originally Posted by skpang View Post
    I wasn't referring to the ethernet jack. More referring to the ethernet PHY.

    On PJRC.com there are versions with and without ethernet.

    https://www.pjrc.com/store/teensy41.html
    Interesting, that's news to me that PJRC has started manufacturing both versions. I just checked the SparkFun 16771 stock that I have and it has the ethernet.

  5. #5
    Senior Member PaulStoffregen's Avatar
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    Sparkfun should soon have the version without ethernet.

  6. #6
    Senior Member+ MichaelMeissner's Avatar
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    Quote Originally Posted by skpang View Post
    I wasn't referring to the ethernet jack. More referring to the ethernet PHY.

    On PJRC.com there are versions with and without ethernet.

    https://www.pjrc.com/store/teensy41.html
    I hadn't noticed that, but given the parts shortage, I can imagine offering a version without the ethernet phy.

    And if your SMT soldering skills are rusty or non-existant, you can get pre-soldered versions of the Teensy that includes soldering in the psram, flash memories, and ethernet pins:


    In looking at the above, I didn't realize larger flash memories (128MB/1 gigabit and 256MB/2 gigabit) flash chips are now supported, compared to the older 16MB/128 megabit flash memory.

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    Is there an image that shows the physical location of the Ethernet PHY chip on the board? Looking to be able to confirm whether it is present with a simple visual inspection. Thanks.

  8. #8
    Senior Member PaulS's Avatar
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    The Ethernet PHY chip is designated by U6:

    Click image for larger version. 

Name:	T41_U6.png 
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    Click image for larger version. 

Name:	T41_U6_.png 
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Size:	159.3 KB 
ID:	29027

    Paul

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