LIS2DS12 datasheet(51/68 Pages) STMICROELECTRONICS

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LIS2DS12

8.25

FIFO_SAMPLES (30h)

FIFO_SAMPLES control register (r)

Table 67. FIFO SAMPLES register

Table 68. FIFO SAMPLES register description

8.26

TAP_6D_THS (31h)

4D configuration enable and TAP threshold configuration (r/w)

Table 69. TAP_6D_THS register

Table 70. TAP_6D_THS register description

Table 71. 4D/6D threshold setting FS @ 2 g

DIFF7

DIFF6

DIFF5

DIFF4

DIFF3

DIFF2

DIFF1

DIFF0

DIFF [7:0]

Concatenated with DIFF8 bit in FIFO_SRC (2Fh) register, it represents the

number of unread samples stored in FIFO. (000000000 = FIFO empty;

100000000 = FIFO full, 256 unread samples).

4D_EN

6D_THS1

6D_THS0

TAP_

THS4

TAP_

THS3

TAP_

THS2

TAP_

THS1

TAP_

THS0

4D_EN

4D detection portrait/landscape position enable.

(0: no position detected; 1: portrait/landscape detection and face-up/face-down

position enabled).

6D_THS [1:0]

Thresholds for 4D/6D function @ FS=2 g (refer to Table 71)

TAP_THS [4:0]

Threshold for TAP recognition @FS=2 g

6D_THS1

6D_THS0

Threshold decoding (degrees)

6 (80 degrees)

11 (70 degrees)

16 (60 degrees)

21 (50 degrees)

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