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TCA9539-Q1: float RESET pin

Part Number: TCA9539-Q1

Dear team,

My customer connects to the wrong pin for the reset pin in the A sample board, but they need to test this board before B sample board is completed, so they have to disconnect reset pin and GPIO pin of SOC. Under this condition, the reset pin is floating. My customer wants to know if this pin is floating, can our device work normally?

Thanks & Best Regards,