LIS2DS12 datasheet(50/68 Pages) STMICROELECTRONICS

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LIS2DS12

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8.21

OUT_Z_L (2Ch)

Z-axis LSB output register (r)

The 8 least significant bits of linear acceleration sensor Z-axis output. Together with the

OUT_Z_H (2Dh) register it forms the output value expressed as a 16-bit word in 2's

complement.

8.22

OUT_Z_H (2Dh)

Z-axis MSB output register (r)

The 8 most significant bits of linear acceleration sensor Z-axis output. Together with the

OUT_Z_L (2Ch) register it forms the output value expressed as a 16-bit word in 2's

complement.

8.23

FIFO_THS (2Eh)

FIFO threshold level setting (r/w).

Table 64. FIFO_THS register

8.24

FIFO_SRC (2Fh)

FIFO_SRC register (r)

Table 65. FIFO_SRC register

Table 66. FIFO_SRC register description

Table 62. OUT_Z_L register default values

Z_L7

Z_L6

Z_L5(2)

Z_L4(2)

Z_L3(1)(2)

Z_L2(1)(2)

1. If HF mode is enabled, this bit is set to 0.

2. If LP mode is enabled, this bit is set to 0.

Table 63. OUT_Z_H register default values

Z_H7

Z_H6

Z_H5

Z_H4

Z_H3

Z_H2

Z_H1

Z_H0

FTH7

FTH6

FTH5

FTH4

FTH3

FTH2

FTH1

FTH0

FTH

FIFO OVR

DIFF8

00000

FTH

FIFO threshold status.

(0: FIFO filling is lower than FTH level;

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

OVR

FIFO overrun status. (0: FIFO is not completely filled; 1: FIFO is completely filled and at

least one sample has been overwritten)

DIFF8 Concatenated with FIFO_SAMPLES (30h) register, it represents the number of unread

samples stored in FIFO. (000000000 = FIFO empty; 100000000 = FIFO full, 256 unread

samples).

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