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August 11, 2026
Question

How to let LSM6DSOX enter I3C mode

  • August 11, 2026
  • 1 reply
  • 14 views

Product https://www.st.com/en/mems-and-sensors/lsm6dsox.html

About the below datasheet description, I want to confirm exact I2C Fast mode Plus timing. Should this SETDASA/ENTDAA follow all timing parameters as I2C Fm+? For NXP I3C, it’s not hard to set a suitable baud rate for this, but it’s impossible to meet all timing for a ENTDAA operation. Can ST I3C IP run ENTDAA with I2C timing to meet your sensor product?
 

 

1 reply

Federica Bossi
ST Technical Moderator
August 13, 2026

Hi ​@Abner ,

Yes, for LSM6DSOX, the address assignment (DAA or ENTDAA) must be performed with I²C Fast Mode Plus timing. Once the slave is addressed, the I²C slave is disabled and the timing becomes compatible with I3C specifications

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