LSM6DSR datasheet(7/168 Pages) STMICROELECTRONICS

7 / 168 page

3.1

Pin connections

The LSM6DSR offers flexibility to connect the pins in order to have four different mode connections and

functionalities. In detail:

•

Mode 1: I²C / MIPI I3CSM slave interface or SPI (3- and 4-wire) serial interface is available;

•

Mode 2: I²C / MIPI I3CSM slave interface or SPI (3- and 4-wire) serial interface and I²C interface master for

external sensor connections are available;

•

Mode 3: I²C/ MIPI I3CSM slave interface or SPI (3- and 4-wire) serial interface is available for the application

processor interface while an auxiliary SPI (3- and 4-wire) serial interface for external sensor connections is

available for the gyroscope ONLY;

•

Mode 4: I²C / MIPI I3CSM slave interface or SPI (3- and 4-wire) serial interface is available for the

application processor interface while an auxiliary SPI (3- and 4-wire) serial interface for external sensor

connections is available for the accelerometer and gyroscope.

Figure 4. LSM6DSR connection modes

HOST

LSM6DSR

HOST

LSM6DSR

HOST

LSM6DSR

LSM6DSM

External

sensors

I2C /

SPI (3/4-w)

I2C /

SPI (3/4-w)

I2C /

SPI (3/4-w)

Aux SPI (3/4-w)

Master I2C

Mode 1

Mode 2

Mode 3

HOST

LSM6DSR

I2C /

SPI (3/4-w)

Aux SPI (3/4-w)

Mode 4

For gyro

data only

For XL and

gyro data

Camera

module

Camera

module

MIPI I3CSM /

In the following table each mode is described for the pin connections and function.

LSM6DSR

Pin connections

DS11976 - Rev 2

page 7/168

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