LSM6DS33 datasheet(40/77 Pages) STMICROELECTRONICS

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LSM6DS33

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DocID027423 Rev 4

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

FIFO_CTRL1 (06h)

FIFO control register (r/w).

Table 20. FIFO_CTRL1 register description

9.3

FIFO_CTRL2 (07h)

FIFO control register (r/w).

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. 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).

Table 21. FIFO_CTRL2 register

TIMER_PEDO

_FIFO_EN

TIMER_PEDO

_FIFO_DRDY

0(1)

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

0(1)

FTH_11

FTH10

FTH_9

FTH_8

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