LSM6DSV datasheet(94/187 Pages) STMICROELECTRONICS

94 / 187 page

9.59

WAKE_UP_DUR (5Ch)

Free-fall, wake-up, and sleep mode functions duration setting register (R/W)

Table 159. WAKE_UP_DUR register

FF_DUR_5

WAKE_DUR_1

WAKE_DUR_0

0(1)

SLEEP_DUR_3

SLEEP_DUR_2

SLEEP_DUR_1

SLEEP_DUR_0

1. This bit must be set to 0 for the correct operation of the device.

Table 160. WAKE_UP_DUR register description

FF_DUR_5

Free-fall duration event. Default: 0

For the complete configuration of the free-fall duration, refer to FF_DUR_[4:0] in the FREE_FALL (5Dh)

configuration.

1 LSB = 1/ODR_XL time

WAKE_DUR_[1:0]

Wake-up duration event. Default: 00

1 LSB = 1/ODR_XL time

SLEEP_DUR_[3:0]

Duration to go in sleep mode. Default value: 0000 (this corresponds to 16 ODR)

1 LSB = 512/ODR_XL time

9.60

FREE_FALL (5Dh)

Free-fall function duration setting register (R/W)

Table 161. FREE_FALL register

FF_DUR_4

FF_DUR_3

FF_DUR_2

FF_DUR_1

FF_DUR_0

FF_THS_2

FF_THS_1

FF_THS_0

Table 162. FREE_FALL register description

FF_DUR_[4:0]

Free-fall duration event. Default: 0

For the complete configuration of the free-fall duration, refer to FF_DUR_5 in the WAKE_UP_DUR (5Ch)

configuration.

FF_THS_[2:0]

Free-fall threshold setting. Default: 000

For details refer to Table 163.

Table 163. Threshold for free-fall function

FF_THS_[2:0]

Threshold value

000

156 mg

001

219 mg

010

250 mg

011

312 mg

100

344 mg

101

406 mg

110

469 mg

111

500 mg

LSM6DSV

WAKE_UP_DUR (5Ch)

DS13476 - Rev 2

page 94/187

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