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TUSB1044: Question about the I2C mode and GPIO mode of TUSB1044

Part Number: TUSB1044

Hi Sir,

Our customer have some question about the I2C mode and GPIO mode of TUSB1044, and they want to know the difference between them. 

From the datasheet we learned that both of the GPIO MODE and I2C MODE are need to set GPIO high and low levels, or I2C registers. But we hope to fix confirgurate the DP+USB3.1 by adding GPIO pull-down resistor. Did it feasible?

Thanks,

Best Regards