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LMP91000: REFCN

Part Number: LMP91000

Hi Team,

The LMP91000's fault detection feature is intended to be used in the project. I read TI has relevant documentation www.ti.com.cn/.../zhca482
Now some doubts:
1. Modify the REFCN register (with Figure 1), which parameter is modified? REFCN has four parameters (Figure 3): REF_SOURCE, INT_Z, BIAS_SIGN, and BIAS.
2. Now the parameter setting REFCN=0x80 when the sensor is working normally, how much should it be changed when starting fault detection?
3. Is the recommended duration value of low level about 0.5 seconds? (Picture 2)

Best Regards

James Man