LSM6DST datasheet(65/180 Pages) STMICROELECTRONICS

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VDD

Power supply

INT2

Programmable

interrupt 2 (INT2) /

Data enabled (DEN)

Programmable

interrupt 2 (INT2) /

Data enabled (DEN) /

I²C master external

synchronization

signal (MDRDY)

Programmable

interrupt 2 (INT2) /

Data enabled (DEN)

Default:

output forced to

ground

Default:

output forced to ground

Default:

output forced to

ground

10 OCS_Aux

Leave unconnected

Auxiliary SPI 3/4-wire

interface enabled

Default:

input with pull-up. Pull-

up is disabled if bit

OIS_PU_DIS = 1

in reg 02h.

Default:

input with pull-up. Pull-

up is disabled if bit

OIS_PU_DIS = 1

in reg 02h.

Default:

input without pull-up

(regardless of the

value of bit

OIS_PU_DIS

in reg 02h.)

11 SDO_Aux

Connect to VDDIO or

leave unconnected

Connect to VDDIO or

leave unconnected

Auxiliary SPI 3-wire

interface: leave

unconnected /

Auxiliary SPI 4-wire

interface: serial data

output (SDO_Aux)

Default:

input with pull-up. Pull-

up is disabled if bit

OIS_PU_DIS = 1

in reg 02h.

Default:

input with pull-up. Pull-

up is disabled if bit

OIS_PU_DIS = 1

in reg 02h.

Default:

input without pull-up.

Pull-up is enabled if bit

SIM_OIS = 1

(Aux_SPI 3-wire) in

reg 70h and bit

OIS_PU_DIS = 0

in reg 02h.

I²C/SPI mode

selection

(1:SPI idle mode /

I²C communication

enabled;

0: SPI communication

mode /

I²C disabled)

I²C/SPI mode

selection

(1:SPI idle mode /

I²C communication

enabled;

0: SPI communication

mode /

I²C disabled)

I²C/SPI mode

selection (

1:SPI idle mode /

I²C communication

enabled;

0: SPI communication

mode / I²C disabled)

Default:

input with pull-up.

Pull-up is disabled if

bit I2C_disable = 1

in reg 13h and

I3C_disable = 1

in reg 18h.

Default:

input with pull-up.

Pull-up is disabled if bit

I2C_disable = 1

in reg 13h and

I3C_disable = 1

in reg 18h.

Default:

input with pull-up.

Pull-up is disabled if

bit I2C_disable = 1

in reg 13h and

I3C_disable = 1

in reg 18h.

Table 21. Internal pin status (continued)

Name

Mode 1 function

Mode 2 function

Mode 3 / Mode 4

function

Pin status

Mode 1

Pin status

Mode 2

Pin status

Mode 3/4(1)

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