Maxim Integrated
Page 12 of 24
Bit 7: Reserved
If DataRdyInt is set, proceed to next step.
2.2
AA 12 00
Get the number of samples (nn) in the FIFO.
AB 00 nn
2.3
AA 12 01
Read the data stored in the FIFO; nn samples (33
bytes each) will be read. The format of samples is
shown in
AB 00
data_for_
nn_samples
ST
O
P
Host ends the procedure:
3.1
AA 44 00* 00
Disable AFE (e.g., MAX86141).*
AB 00
3.2
AA 44 04* 00
Disable accelerometer.*
AB 00
3.3
AA 52 05 00
Disable WSpO
2
algorithm.
AB 00
*Provided indexes are examples for sensors such as the MAX86141 AFE or KX122
accelerometer.