LSM6DSO datasheet(7/172 Pages) STMICROELECTRONICS

7 / 172 page

Figure 4. LSM6DSO connection modes

HOST

LSM6DSO

HOST

LSM6DSO

HOST

LSM6DSO

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

LSM6DSO

I2C /

SPI (3/4-w)

Aux SPI (3/4-w)

Mode 4

For gyro

data only

For XL and

gyro data

Camera

module

MIPI I3CSM /

Camera

module

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)

INT1

Programmable interrupt in I²C and SPI

VDDIO(1)

Power supply for I/O pins

GND

0 V supply

GND

0 V supply

VDD(1)

Power supply

INT2

Programmable interrupt 2

(INT2) / Data enable (DEN)

Programmable interrupt 2 (INT2)/

Data enable (DEN)/I²C master

external synchronization signal

(MDRDY)

Programmable interrupt 2 (INT2)/

Data enable (DEN)

OCS_Aux Leave unconnected(2)

Leave unconnected(2)

Auxiliary SPI 3/4-wire interface

enable

SDO_Aux

Connect to VDD_IO or leave

unconnected(2)

Connect to VDD_IO or leave

unconnected(2)

Auxiliary SPI 3-wire interface: leave

unconnected(2)

Auxiliary SPI 4-wire interface: serial

data output (SDO_Aux)

LSM6DSO

Pin connections

DS12140 - Rev 2

page 7/172

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