LSM6DSR datasheet(31/168 Pages) STMICROELECTRONICS

31 / 168 page

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the chain for OIS/EIS where the ODR is at 6.66 kHz and the LPF1 is available. The LPF1 configuration

depends on the setting of the FTYPE_[1:0] _OIS bit in register CTRL2_OIS (71h); for more details about the

filter characteristics see Table 158. Gyroscope OIS chain digital LPF1 filter bandwidth selection. Gyroscope

output values are in registers 22h to 27h with the selected full scale (FS[1:0]_G_OIS bit in CTRL1_OIS

(70h)).

6.5

OIS

This paragraph describes OIS functionality and the dedicated accelerometer-gyroscope DSP chain.

There is a dedicated gyroscope and accelerometer DSP for OIS.

Other features can be configured:

•

Self-test on OIS side

•

DEN on OIS side

The camera module is completely independent from the application processor as shown in Figure 21.

The Auxiliary SPI can configure OIS functionality through INT_OIS (6Fh), CTRL1_OIS (70h), CTRL2_OIS (71h),

CTRL3_OIS (72h).

Reading from the Auxiliary SPI is enabled only when the OIS_EN_SPI2 bit in the CTRL1_OIS (70h) register is set

to '1'. This bit also turns on the gyroscope OIS chain.

The Primary Interface can access the OIS control registers (INT_OIS (6Fh), CTRL1_OIS (70h), CTRL2_OIS

(71h), CTRL3_OIS (72h)) in read mode.

Figure 21. Auxiliary SPI full control (a) and enabling primary interface (b)

UI/OIS

I3C/SPI/I2C

Camera Module

OIS Driver

Image

Sensor

Actuator

SPI_Aux

UI/OIS

I3C/SPI/I2C

Camera Module

OIS Driver

Image

Sensor

Actuator

SPI_Aux

(a)

(b)

LSM6DSR

OIS

DS11976 - Rev 2

page 31/168

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