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hbarta2
Associate III
January 6, 2015
Question

Jumpers for STM324x9I-EVAL I/O connectors?

  • January 6, 2015
  • 2 replies
  • 576 views
Posted on January 06, 2015 at 15:18

These are the 0.05'' (1.27mm) pitch connectors CN6, CN7, CN11 and CN12. The jumpers I normally use on 0.10'' pitch headers are too big to fit. I've done some web searching and not found any jumpers that size. 

What are people using for this?

Thanks!
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    2 replies

    Tesla DeLorean
    Guru
    January 6, 2015
    Posted on January 06, 2015 at 17:43

    These are the 0.05'' (1.27mm) pitch connectors CN6, CN7, CN11 and CN12. The jumpers I normally use on 0.10'' pitch headers are too big to fit. I've done some web searching and not found any jumpers that size. 

     

     

    What are people using for this?

    They look like SAMTEC connectors to attach daughter cards. So probably not designed for jumpers, the pitch is all wrong. Suggest you use some

    http://www.pomonaelectronics.com/index.php?i=prodsub&parent=PATCH&cat=PGRABCLIP&getDetails=0

    Or wirewrap

    From the schematic

    http://cloud.samtec.com/catalog_english/FTR_SMT.PDF

    (Samtec)
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    hbarta2
    hbarta2Author
    Associate III
    January 7, 2015
    Posted on January 07, 2015 at 13:15

    Hi Clive,

    Thanks for the suggestion. I also found this: http://www.digikey.com/product-detail/en/LPPB031NFFN-RC/S9008E-03-ND/1786361 or this: http://www.digikey.com/product-detail/en/LPPB031NFSC-RC/S9005E-03-ND/1786323 which might be easier to solder leads to. They're the right pitch and I just need to use one for each pin if they're not adjacent. I'll try the micrograbbers too. I'm working with the Discovery-WiFi and only need to use two leads at present for a UART connection.