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fxls9xxx0

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shawn123
Contributor I

Hi NXP~

I would like to ask some questions

1、In AN13761, the red place should be 1 0 0?

shawn123_0-1699490934893.png

2. In AN12766,the red place should be 7BC0?

shawn123_5-1699491739729.png

3. In AN12776,why is it 33℃?

shawn123_3-1699491611258.png

4、In FXLS9XXX0_Single channel intertial sensor,data sheet

   Why exceed the maximum production range,how are their values calculated?

shawn123_6-1699492019153.png

5、Can the range of the chip be set? How to set? Thank you very much

 

 

 

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JozefKozon
NXP TechSupport
NXP TechSupport

Hi Shawn,

please see answers to your first two questions. I will look for answers to your other three questions.

1、In AN13761, the red place should be 1 0 0?

JozefKozon_0-1699515592077.png

[A] Yes, the Sensor Address in the Table 5. should be the same as the Sensor Address in the Table 4.

2. In AN12766,the red place should be 7BC0?

JozefKozon_1-1699515592440.png

[A] No, The 7BFF value in the Table 12. is correct. Please refer to FXLS9xxxx and to FXLS9xxx0 datasheets. For the single axis device the Communication Error value is 7BFF. 

JozefKozon_2-1699516479088.png

With Best Regards,

Jozef

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JozefKozon
NXP TechSupport
NXP TechSupport

Hi Shawn,

please see answers to your first two questions. I will look for answers to your other three questions.

1、In AN13761, the red place should be 1 0 0?

JozefKozon_0-1699515592077.png

[A] Yes, the Sensor Address in the Table 5. should be the same as the Sensor Address in the Table 4.

2. In AN12766,the red place should be 7BC0?

JozefKozon_1-1699515592440.png

[A] No, The 7BFF value in the Table 12. is correct. Please refer to FXLS9xxxx and to FXLS9xxx0 datasheets. For the single axis device the Communication Error value is 7BFF. 

JozefKozon_2-1699516479088.png

With Best Regards,

Jozef

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JozefKozon
NXP TechSupport
NXP TechSupport

Hi Shawn,

3. In AN12776,why is it 33℃?

JozefKozon_0-1699519218216.png

[A] It is the TDEGG value according to the formula below the Figure 18. The values are taken from Temperature Data read (TLSB) and from the Table 25. for the 10-bit (T0LSB and Tsense).

 

4. In FXLS9XXX0_Single channel inertial sensor, data sheet

   Why exceed the maximum production range, how are their values calculated?

JozefKozon_1-1699519218249.png

[A] Please refer to the Table 32. in the FXLS9xxx0 datasheet. The overload value can be much higher, than the maximum accelerometer value.

JozefKozon_2-1699520696495.png

 

5. Can the range of the chip be set? How to set?

[A] The range can be set via configuration channel registers. (CFG_U3 registers). 

 

With Best Regards,

Jozef

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shawn123
Contributor I

Hi,Jozef

Thank you very much for your prompt reply.

for question 3.In AN12776,why is it 33℃?

shawn123_0-1699576364120.png

TLSB = 0x06,T0LSB = -27,Tsense= 1.1,So why isn't it this value:TDEGG = (6-(-27))/1.1 = 30℃

 

for question 4. In FXLS9XXX0_Single channel inertial sensor, data sheet

   Why exceed the maximum production range, how are their values calculated?

I still don't know how these values are calculated,can you describe how these values are calculated? Thank you

shawn123_2-1699578203064.png

Thanks again for your patient.

With Best Regards,

Shawn

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