LSM6DSO datasheet(76/172 Pages) STMICROELECTRONICS

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9.45

INT_DUR2 (5Ah)

Tap recognition function setting register (r/w).

Table 127. INT_DUR2 register

DUR3

DUR2

DUR1

DUR0

QUIET1

QUIET0

SHOCK1

SHOCK0

Table 128. INT_DUR2 register description

DUR[3:0]

Duration of maximum time gap for double tap recognition. Default: 0000

When double tap recognition is enabled, this register expresses the maximum time between two consecutive

detected taps to determine a double tap event. The default value of these bits is 0000b which corresponds to

16*ODR_XL time. If the DUR[3:0] bits are set to a different value, 1LSB corresponds to 32*ODR_XL time.

QUIET[1:0]

Expected quiet time after a tap detection. Default value: 00

Quiet time is the time after the first detected tap in which there must not be any overthreshold event. The default

value of these bits is 00b which corresponds to 2*ODR_XL time. If the QUIET[1:0] bits are set to a different

value, 1LSB corresponds to 4*ODR_XL time.

SHOCK[1:0]

Maximum duration of overthreshold event. Default value: 00

Maximum duration is the maximum time of an overthreshold signal detection to be recognized as a tap event.

The default value of these bits is 00b which corresponds to 4*ODR_XL time. If the SHOCK[1:0] bits are set to a

different value, 1LSB

corresponds to 8*ODR_XL time.

9.46

WAKE_UP_THS (5Bh)

Single/double-tap selection and wake-up configuration (r/w)

Table 129. WAKE_UP_THS register

SINGLE_

DOUBLE_

TAP

USR_OFF_

ON_WU

WK_THS5

WK_THS4

WK_THS3

WK_THS2

WK_THS1

WK_THS0

Table 130. WAKE_UP_THS register description

SINGLE_

DOUBLE_TAP

Single/double-tap event enable. Default: 0

(0: only single-tap event enabled;

1: both single and double-tap events enabled)

USR_OFF_

ON_WU

Drives the low-pass filtered data with user offset correction (instead of high-pass filtered data) to the wakeup

function.

WK_THS[5:0]

Threshold for wakeup: 1 LSB weight depends on WAKE_THS_W in WAKE_UP_DUR (5Ch). Default value:

000000

LSM6DSO

INT_DUR2 (5Ah)

DS12140 - Rev 2

page 76/172

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