ISM330DLC datasheet(97/116 Pages) STMICROELECTRONICS

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ISM330DLC

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DEN mode selection can be done using the LVL1_OIS bit of register CTRL1_OIS (70h) and

the LVL2_OIS bit of register INT_OIS (6Fh).

DEN mode on the OIS path is active in the gyroscope only.

10.88

CTRL2_OIS (71h)

OIS configuration register. Primary interface for read-only (r); only Aux SPI can write to this

Sampling data with frequency equal or higher to 3.3 kHz is recommended.

If data is down-sampled @ 1 kHz, it is recommended to use a cutoff @ 173 Hz.

If data is down-sampled @ 2 kHz, it is recommended to use a cutoff @ 237 Hz.

Table 213. DEN mode selection

LVL1_OIS, LVL2_OIS

DEN mode

Level-sensitive trigger mode is selected

Level-sensitive latched mode is selected

Table 214. CTRL2_OIS register

0(1)

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

0(1)

HPM1_

OIS

HPM0_

OIS

0(1)

FTYPE_1_

OIS

FTYPE_0_

OIS

HP_EN_

OIS

Table 215. CTRL2_OIS register description

HPM[1:0]_OIS

Gyroscope's OIS chain digital high-pass filter cutoff selection. Default value: 00

(00: 16 mHz;

01: 65 mHz;

10: 260 mHz;

11: 1.04 Hz)

FTYPE_[1:0]_OIS

Gyroscope's digital LPF1 filter bandwidth selection

Table 216 shows cutoff and phase values obtained with all configurations

HP_EN_OIS

Enables gyroscope's OIS chain HPF. This filter is available on the OIS chain

only if HP_EN_G in CTRL7_G (16h) is set to '0'(1).

1. HP_EN_OIS is active to select HPF on the auxiliary SPI chain only if HPF is not already used in the

primary interface.

Table 216. Gyroscope OIS chain LPF1 bandwidth selection

FTYPE_[1:0]_OIS

ODR = 6.6 kHz

Phase delay @ 20 Hz

351 Hz

7°

237 Hz

9°

173 Hz

11°

937 Hz

5°

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