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PCA9544A: Unused SCL/SDA connection question

Oliver Lin
Expert 3395 points
Part Number: PCA9544A

Tool/software:

Hi team,

My customer is asking about, if there's an unused I2C channel, what connection should we make for unused SCL/SDA? e.g like what reisitance value pull up to VCC? Please share some comment on this, thank you.

Thanks,

Oliver