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About ADXL343 data lead

Question asked by yuji on Apr 1, 2014
Latest reply on May 5, 2014 by neilzhao

I receive the following questions from our customer.

 

I read data as follows in ADXL343.

However, data are not stable.

I attach the data which I began to read.

"The reading is 500ms interval."

   

I do the initial setting as follows.

 

0x1D THRESH_TAP 31h

0x1E OFSX 00h

0x1F OFSY 00h

0x20 OFSZ 00h

0x21 DUR 01h

0x22 Latent 0Ah

0x23 Window 38h

0x24 THRSH_ACT 08h

0x25 THRESH_INACT 08h

0x26 TIME_INACT 01h

0x27 ACT_INACT_CTL 70h

0x28 THRESH_FF 09h

0x29 TIME_FF 04h

0x2A TAP_AXES 0Fh

0x2C BW_RATE 0Dh

0x2D POWER_CTL 00h

0x2E INT_ENABLE 18h

0x2F INT_MAP 18h

0x31 DATA_FORMAT 4Bh

0x38 FIFO_STATUS 00h

 

The start of measurement sets 08h in address 0x2D.

I set F2h in address 0x32 and begin to read measurement data afterwards.

Reading appearance data are multi-byte data.

 

Besides, is there the setting necessary?

 

Please advise it how the data are stable.

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