L3GD20H datasheet(38/52 Pages) STMICROELECTRONICS

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L3GD20H

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DocID023469 Rev 2

7.3

CTRL2 (21h)

Table 22. Power mode selection configuration

Mode

Zen

Yen

Xen

Power down

Normal

Sleep

Table 23. CTRL2 register

EXTRen

LVLen

HPM1

HPM0

HPCF3

HPCF2

HPCF1

HPCF0

Table 24. CTRL2 description

EXTRen

Edge sensitive trigger Enable: Default value: 0

(0: external trigger disabled; 1: External trigger enabled)

LVLen

Level sensitive trigger Enable: Default value: 0

(0: level sensitive trigger disabled; 1: level sensitive trigger enabled)

HPM1-

HPM0

High Pass filter Mode Selection. Default value: 00

Refer to

Table 25

HPCF3-

HPCF0

High Pass filter Cut Off frequency selection. Default value: 0000

Refer to

Table 26

Table 25. High pass filter mode configuration

HPM1

HPM0

High pass filter mode

Normal mode (reset reading REFERENCE 25h register)

Reference signal for filtering

10Normal mode

Autoreset on interrupt event

Table 26. High pass filter cut off frequency configuration [Hz](1)

HPCF3-0

ODR=12.5

ODR=25

ODR=50

ODR =100

ODR =200

ODR =400

ODR =800

0000

815

0001

0.5

0010

0.2

0.5

0011

0.1

0.2

0.5

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