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ADXL355 External clock & ODR setting for EXT_SYNC=01

Question asked by AkiraO on Sep 4, 2017



My customer has a trouble about sampling time of FIFO. It is 1/32 for expectrd value.

The sustomer use 32.768kHz for the external clock and the set the register to ODF_LPF = 0101. In this case, the ODR from the external clock will be 128Hz (  =32.768kHz/(4 x 64 ) ). On the other hand, ODR is 125Hz from the register setting. It is not mached. Are there any problrm like this use?


Best regards,