LSM6DS33 datasheet(41/77 Pages) STMICROELECTRONICS

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LSM6DS33

Table 22. FIFO_CTRL2 register description

9.4

FIFO_CTRL3 (08h)

FIFO control register (r/w).

Table 24. FIFO_CTRL3 register description

TIMER_PEDO

_FIFO_EN

Enable pedometer step counter and time stamp. Default: 0

(0: disable step counter and time stamp data;

1: enable step counter and time stamp data.)

TIMER_PEDO

_FIFO_DRDY

FIFO write mode. Default: 0

(0: enable write in FIFO based on XL/Gyro data-ready;

1: enable write in FIFO at every step detected by step counter.)

FTH_[11:8]

FIFO threshold level setting(1). Default value: 0000

Watermark flag rises when the number of bytes written to FIFO after the next

write is greater than or equal to the threshold level.

Minimum resolution for the FIFO is 1LSB = 2 bytes (1 word) in FIFO

1. For a complete watermark threshold configuration, consider FTH_[11:8] in FIFO_CTRL1 (06h)

Table 23. FIFO_CTRL3 register

0(1)

1. This bit must be set to ‘0’ for the correct operation of the device.

0(1)

DEC_FIFO

_GYRO2

DEC_FIFO

_GYRO1

DEC_FIFO

_GYRO0

DEC_FIFO

_XL2

DEC_FIFO

_XL1

DEC_FIFO

_XL0

DEC_FIFO_GYRO [2:0]

Gyro FIFO (first data set) decimation setting. Default: 000

For the configuration setting, refer to Table 25.

DEC_FIFO_XL [2:0]

Accelerometer FIFO (second data set) decimation setting. Default: 000

For the configuration setting, refer to Table 26.

Table 25. Gyro FIFO decimation setting

DEC_FIFO_GYRO [2:0]

Configuration

000

Gyro sensor not in FIFO

001

No decimation

010

Decimation with factor 2

011

Decimation with factor 3

100

Decimation with factor 4

101

Decimation with factor 8

110

Decimation with factor 16

111

Decimation with factor 32

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