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IIS3DWB offset calibration is missing

Pavel_Levkoev
Associate

‎2024-03-12 05:40 AM

Hello All,

is it normal that the data in the offset calibration registers disappears after a power restart?

 

 

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Federica Bossi
ST Employee

‎2024-03-12 05:54 AM

Hi @Pavel_Levkoev ,

Welcome to ST Community!

Do you mean registers: 73h, 74h, 75h?

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Pavel_Levkoev
Associate
In response to Federica Bossi

‎2024-03-12 06:23 AM

Yes exactly,  and register  CTRL6_C (15h) with USR_OFF_W bit.

at the moment, I have to save calibration values to non-volatile memory and set them every initialization. It seems to me that something is wrong here, because logically such calibration is mainly used for correction and displacement after soldering/assembly. I.e. ideally only once.

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