Output type of INT1 pin on ISM330DHCX

[RBors.1]

Hello,

I cannot find any detail about the output type of INT1 pin in the ISM330DHCX datasheet.

From what I read about the registers configuration about this pin, I thought that would be a push-pull output, but if I configure an external 10K pull-up to 3.3V I see that the signal is fixed to 1.2V

I already found the note about the initialization procedure that depict not to set any pull-up (so I'm removing that), but this behavior is not explained by a simply output pin.

Is maybe this also a bootstrap input for internal use?

For the use with the linux driver st_lsm6dsx (that has this component's compatible) should I set a pull-down or leave the control only to the ISM330DHCX?

Best regards,

Rosario

[Peter BENSCH · Accepted solution]

The function of pin INT1 is described in the data sheet:

INT1_CTRL (section 9.9) manages the signals that are output by ORing

CTRL3_C (section 9.14) describes at which level INT1 is active (H_LACTIVE) and whether INT1 works as push-pull or open drain.

Does it answer your question?

Regards

/Peter

[RBors.1]

Hello Peter,

yes, these are the information that I needed.

Best regards,

Rosario

[Peter BENSCH]

Great!

If the problem is solved, please mark this thread as answered by selecting Select as best, as also explained here. This will help other users find that answer faster.

Regards

/Peter