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DS90UH948-Q1: Unused GPIOs Left NC

Part Number: DS90UH948-Q1

Are there any major issues that will come from leaving unused GPIOs, all of pin 8-19, left floating rather than pulled down?

Regards,

Kevin

  • Hello Kevin,

    Leaving them floating may lead to unwanted radiated noise in EMC testing depending on the device configuration and the pins may float to a unknown value based on leakage current. So generally it is recommended to use pulldowns per the datasheet recommendation.

    Best Regards,

    Casey