LSM6DS3 datasheet(46/100 Pages) STMICROELECTRONICS

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LSM6DS3

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DocID026899 Rev 8

The device contains a set of registers which are used to control its behavior and to retrieve

linear acceleration, angular rate and temperature data. The register addresses, made up of

7 bits, are used to identify them and to write the data through the serial interface.

9.1

FUNC_CFG_ACCESS (01h)

Enable embedded functions register (r/w).

Table 18. FUNC_CFG_ACCESS register description

9.2

SENSOR_SYNC_TIME_FRAME (04h)

Sensor synchronization time frame register (r/w).

Table 20. SENSOR_SYNC_TIME_FRAME register description

9.3

FIFO_CTRL1 (06h)

FIFO control register (r/w).

Table 22. FIFO_CTRL1 register description

Table 17. FUNC_CFG_ACCESS register

FUNC_CFG_EN

0(1)

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

0(1)

FUNC_CFG_EN

Enable access to the embedded functions configuration registers (1) from address

02h to 32h. Default value: 0.

(0: disable access to embedded functions configuration registers;

1: enable access to embedded functions configuration registers)

1. The embedded functions configuration registers details are available in 10: Embedded functions register

mapping and 11: Embedded functions registers description.

Table 19. SENSOR_SYNC_TIME_FRAME register

TPH_7

TPH_6

TPH_5

TPH_4

TPH_3

TPH_2

TPH_1

TPH_0

TPH_ [7:0]

Sensor synchronization time frame with the step of 500 ms and full range of 5 s.

Unsigned 8-bit.

Default value: 0000 0000

Table 21. FIFO_CTRL1 register

FTH_7

FTH_6

FTH_5

FTH_4

FTH_3

FTH_2

FTH_1

FTH_0

FTH_[7:0]

FIFO threshold level setting(1). Default value: 0000 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 1 LSB = 2 bytes (1 word) in FIFO

1. For a complete watermark threshold configuration, consider FTH_[11:8] in FIFO_CTRL2 (07h).

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