LSM6DSTX datasheet(44/175 Pages) STMICROELECTRONICS

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Table 20. Internal pin status

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)

SDO

SPI 4-wire interface

serial data output

(SDO)

SPI 4-wire interface

serial data output

(SDO)

SPI 4-wire interface

serial data output

(SDO)

Default: input without pull-

up. Pull-up is enabled if

bit SDO_PU_EN = 1 in

PIN_CTRL (02h).

Default: input without pull-

up. Pull-up is enabled if

bit SDO_PU_EN = 1 in

PIN_CTRL (02h).

Default: input without pull-

up. Pull-up is enabled if

bit SDO_PU_EN = 1 in

PIN_CTRL (02h).

SA0

I²C least significant bit

of the device address

(SA0)

MIPI I3CSM least

significant bit of the

static address (SA0)

I²C least significant bit

of the device address

(SA0)

MIPI I3CSM least

significant bit of the

static address (SA0)

I²C least significant bit

of the device address

(SA0)

MIPI I3CSM least

significant bit of the

static address (SA0)

SDx

Connect to Vdd_IO 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)

Default: input without pull-

up. Pull-up is enabled if

bit SHUB_PU_EN = 1 in

MASTER_CONFIG (14h) in

sensor hub registers (see

Note to enable pull-up).

Default: input without pull-

up. Pull-up is enabled if

bit SHUB_PU_EN = 1 in

MASTER_CONFIG (14h) in

sensor hub registers (see

Note to enable pull-up).

Default: input without pull-

up. Pull-up is enabled if

bit SHUB_PU_EN = 1 in

MASTER_CONFIG (14h) in

sensor hub registers (see

Note to enable pull-up).

SCx

Connect to Vdd_IO or

GND

I²C serial clock master

(MSCL)

Auxiliary SPI 3/4-wire

interface serial port

clock (SPC_Aux)

Default: input without pull-

up. Pull-up is enabled if

bit SHUB_PU_EN = 1 in

MASTER_CONFIG (14h) in

sensor hub registers (see

Note to enable pull-up).

Default: input without pull-

up. Pull-up is enabled if

bit SHUB_PU_EN = 1 in

MASTER_CONFIG (14h) in

sensor hub registers (see

Note to enable pull-up).

Default: input without pull-

up. Pull-up is enabled if

bit SHUB_PU_EN = 1 in

MASTER_CONFIG (14h) in

sensor hub registers (see

Note to enable pull-up).

INT1

Programmable

interrupt 1 / If device

is used as MIPI

I3CSM pure slave, this

pin must be set to 1.

Programmable

interrupt 1 / If device

is used as MIPI I3CSM

pure slave, this pin

must be set to 1.

Programmable interrupt

1 / If device is used as

MIPI I3CSM pure slave,

this pin must be set to

Default: input with pull-

down(2)

Default: input with pull-

down(2)

Default: input with pull-

down(2)

Vdd_IO

Power supply

for I/O pins

Power supply

for I/O pins

Power supply

for I/O pins

GND

0 V supply

GND

0 V supply

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

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