LSM6DSOX datasheet(8/199 Pages) STMICROELECTRONICS

8 / 199 page

3.1

Pin connections

The LSM6DSOX 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 5. LSM6DSOX connection modes

HOST

LSM6DSOX

HOST

LSM6DSOX

HOST

LSM6DSOX

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

LSM6DSOX

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.

Table 1. Pin description

Pin#

Name

Mode 1 function

Mode 2 function

Mode 3 / Mode 4 function

SDO/SA0

SPI 4-wire interface serial data

output (SDO)

I²C least significant bit of the device

address (SA0)

SPI 4-wire interface serial data output

(SDO)

I²C least significant bit of the device

address (SA0)

SPI 4-wire interface serial data output

(SDO)

I²C least significant bit of the device

address (SA0)

SDx

Connect to VDDIO or GND

I²C serial data master (MSDA)

Auxiliary SPI 3/4-wire interface serial data

input (SDI)

and SPI 3-wire serial data output (SDO)

SCx

Connect to VDDIO or GND

I²C serial clock master (MSCL)

Auxiliary SPI 3/4-wire interface serial port

clock (SPC_Aux)

LSM6DSOX

Pin connections

DS12814 - Rev 3

page 8/199

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