A3G4250D datasheet(32/44 Pages) STMICROELECTRONICS

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A3G4250D

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Doc 022768 Rev 3

Combination of PD, Zen, Yen, and Xen are used to set the device in different modes

(power-down / normal / sleep mode) according to the following table.

7.3

CTRL_REG2 (21h)

200

12.5

200

400

110

800

110

Table 23.

Power mode selection configuration

Mode

Zen

Yen

Xen

Power-down

Sleep

000

Normal

---

Table 22.

DR and BW configuration setting (continued)

DR <1:0>

BW <1:0>

ODR [Hz]

Cut-off

Table 24.

CTRL_REG2 register

0(1)

Value loaded at boot. This value must not be changed.

0(1)

HPM1

HPCF3

HPCF2

HPCF1

HPCF0

Table 25.

CTRL_REG2 description

HPM1-

HPM0

High-pass filter mode selection. Default value: 00

Refer to Table 26

HPCF3-

HPCF0

High-pass filter cut-off frequency selection

Refer to Table 28

Table 26.

High-pass filter mode configuration

HPM1

HPM0

High-pass filter mode

Normal mode (reset reading HP_RESET_FILTER)

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