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SN65DSI83: I2C Communication not working

Part Number: SN65DSI83



My customer is not able to communicate to  SN65DSi83:


They forgot to have a cap connected to EN pin and they are not shure if EN=low during VCC startup.

Do you see as an issue preventing i2c communication after startup?


REFCLK is floating currently

would it be possible to connect it directly to GND?

Do you see this affecting the i2c communication?


I can share schematics internally if needed.


Thanks in advance for your help