How to deal with SPI pins when EEPROM is not used in HX2LP designs – KBA222123

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    Version: **

     

    Translation - Japanese: HX2LPデザインでEEPROMが使用されていない場合のSPIピンの処理方法 - KBA222123 - Community Translated (JA)

     

    Question:

    How to deal with SPI pins when EEPROM is not used in HX2LP designs?

     

    Answer:


    When SPI EEPROM is not used, SPI_CS and SPI_SCK could be floating but SPI_SD should be connected to GROUND with a 15 k resistor. Otherwise, HX2LP will not enumerate normally.