LSM6DS3 Datasheet, PDF(70/100 Page) STMicroelectronics – always-on 3D accelerometer and 3D gyroscope

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LSM6DS3 Datasheet, PDF (70/100 Pages) STMicroelectronics – always-on 3D accelerometer and 3D gyroscope

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LSM6DS3

9.51

SENSORHUB12_REG(39h)

Twelfth byte associated to external sensors. The content of the register is consistent with the

SLAVEx_CONFIG number of read operation configurations (for external sensors from x = 0 to x = 3).

Table 133. SENSORHUB12_REG register

SHub12_7 SHub12_6 SHub12_5 SHub12_4 SHub12_3 SHub12_2 SHub12_1 SHub12_0

Table 134. SENSORHUB12_REG register description

SHub12[7:0] Twelfth byte associated to external sensors

9.52

FIFO_STATUS1 (3Ah)

FIFO status control register (r). For a proper reading of the register, it is recommended to set the

BDU bit in CTRL3_C (12h) to 1.

DIFF_

FIFO_7

DIFF_

FIFO_6

Table 135. FIFO_STATUS1 register

DIFF_

FIFO_5

DIFF_

FIFO_4

DIFF_

FIFO_3

DIFF_

FIFO_2

DIFF_

FIFO_1

DIFF_

FIFO_0

Table 136. FIFO_STATUS1 register description

DIFF_FIFO_[7:0] Number of unread words (16-bit axes) stored in FIFO(1).

1. For a complete number of unread samples, consider DIFF_FIFO [11:8] in FIFO_STATUS2 (3Bh)

9.53

FIFO_STATUS2 (3Bh)

FIFO status control register (r). For a proper reading of the register, it is recommended to set

the BDU bit in CTRL3_C (12h) to 1.

FTH

FIFO_

OVER_RUN

Table 137. FIFO_STATUS2 register

FIFO_

FULL

FIFO_

DIFF_

EMPTY FIFO_11 FIFO_10

DIFF_

FIFO_9

DIFF_

FIFO_8

Table 138. FIFO_STATUS2 register description

FTH

FIFO watermark status. Default value: 0

(0: FIFO filling is lower than watermark level(1);

1: FIFO filling is equal to or higher than the watermark level)

FIFO_OVER_RUN FIFO overrun status. Default value: 0

(0: FIFO is not completely filled; 1: FIFO is completely filled)

FIFO_FULL

FIFO full status. Default value: 0

(0: FIFO is not full; 1: FIFO will be full at the next ODR)

FIFO_EMPTY

DIFF_FIFO_[7:0]

FIFO empty bit. Default value: 0

(0: FIFO contains data; 1: FIFO is empty)

Number of unread words (16-bit axes) stored in FIFO(2).

1. FIFO watermark level is set in FTH_[11:0] in FIFO_CTRL1 (06h) and FIFO_CTRL2 (07h)

2. For a complete number of unread samples, consider DIFF_FIFO [11:8] in FIFO_STATUS1 (3Ah)

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