TUSB8041: I2C Slave Mode

Hi Thariq,

TUSB8041 only has a I2C master mode as mentioned in the datasheet. There is no I2C salve mode, only SMBUS slave mode. 

Hi,

The datasheet of TUSB8041 mentions SMBUS/I2C slave interface in the Features section (page 1).

I could also find the same mentioned in the below post on E2E:

https://e2e.ti.com/support/interface/f/138/t/826286?tisearch=e2e-sitesearch&keymatch=tusb8041%25252525252520i2c%25252525252520slave

Please clarify.

Regards,

Thariq

Hi Thariq,

It is true that in most cases a I2C Host while TUSB8041 is in SMBUS slave mode however there are some difference between the two interfaces that can affect operation these should be taken into account.

I would refer to sections 8.4.1 External Configuration Interface, 8.4.2 I2C EEPROM Operation, 8.4.3 SMBus Slave Operation n the datasheet for a more detailed description on how the device function in the different modes. 

Hi,

What will be the I2C slave address when configured in SMBUS mode and connected to I2C host? SMBA1 & SMBA2 are pulled LOW.

Regards,

Thariq