LSM6DSO32X datasheet(38/162 Pages) STMICROELECTRONICS

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Table 18. Internal pin status

Pin #

Name

Mode 1 function

Mode 2 function

Pin status Mode 1

Pin status Mode 2

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 reg 02h.

Default: input without pull-up.

Pull-up is enabled if bit SDO_PU_EN = 1

in reg 02h.

SA0

I²C least significant bit of the

device address (SA0)

MIPI I3CSMleast 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)

Default: input without pull-up.

Pull-up is enabled if bit SHUB_PU_EN =

1 in reg 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 reg 14h in sensor hub registers (see

Note to enable pull-up).

SCx

Connect to Vdd_IO or GND

I²C serial clock master (MSCL)

Default: input without pull-up.

Pull-up is enabled if bit SHUB_PU_EN =

1 in reg 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 reg 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’.

Default: input with pull-down(1)

Vdd_IO

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)

Default: output forced to ground.

Leave unconnected

Default: input with pull-up.

Connect to Vdd_IO or

leave unconnected

Connect to Vdd_IO or

leave unconnected

Default: input with pull-up.

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.

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