LSM6DSL datasheet(78/113 Pages) STMICROELECTRONICS

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LSM6DSL

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DocID028475 Rev 5

9.54

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.

Table 140. FIFO_STATUS2 register

Table 141. FIFO_STATUS2 register description

9.55

FIFO_STATUS3 (3Ch)

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.

Table 142. FIFO_STATUS3 register

Table 143. FIFO_STATUS3 register description

WaterM OVER_RUN

FIFO_

FULL_

SMART

FIFO_

EMPTY

DIFF_

FIFO_10

DIFF_

FIFO_9

DIFF_

FIFO_8

WaterM

FIFO watermark status. The watermark is set through bits FTH_[7:0] in

FIFO_CTRL1 (06h). Default value: 0

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

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

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

OVER_RUN

FIFO overrun status. Default value: 0

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

FIFO_FULL_

SMART

Smart FIFO full status. Default value: 0

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

FIFO_EMPTY

FIFO empty bit. Default value: 0

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

DIFF_FIFO_[10:8]

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

2. For a complete number of unread samples, consider DIFF_FIFO [7:0] in FIFO_STATUS1 (3Ah).

FIFO_

PATTERN

FIFO_

PATTERN

FIFO_

PATTERN

FIFO_

PATTERN

FIFO_

PATTERN

FIFO_

PATTERN

FIFO_

PATTERN

FIFO_

PATTERN

FIFO_

PATTERN_[7:0]

Word of recursive pattern read at the next reading.

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