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FXOS8700CQ low pass filter for tilt sensor?

Question asked by Ted Huntington on Feb 15, 2016
Latest reply on Feb 16, 2016 by Tomas Vaverka

Hi,

 

I am using the FXOS8700CQ strictly for tilt detection. I find that I am getting some high acceleration readings though.

 

I see that I can set the CTRL_REG1 LNOISE bit.

Does the HP_FILTER_CUTOFF setting LPF=1 and HPF=1 work as a low pass filter for regular sampling or only for pulse detection?

 

What is the best way to configure this device for reading just the acceleration due to the earth's gravity?

 

Thanks,

Ted

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