LSM6DSO32 datasheet(56/153 Pages) STMICROELECTRONICS

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Application hints

LSM6DSO32

56/153

DocID032891 Rev 1

Internal pull-up value is from 30 kΩ to 50 kΩ, depending on VDDIO.

Note:

The procedure to enable the pull-up on pins 2 and 3 is as follows:

1. Write 40h in register at address 01h (enable access to the sensor hub registers)

2. Write 08h in register at address 14h (enable the pull-up on pins 2 and 3)

3. Write 00h in register at address 01h (disable access to the sensor hub registers)

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.

SCL

I²C/MIPI I3CSM serial

clock (SCL) / SPI

serial port clock

(SPC)

I²C/MIPI I3CSM serial

clock (SCL) / SPI

serial port clock

(SPC)

Default:

input without pull-up

Default:

input without pull-up

SDA

I²C/MIPI I3CSM serial

data (SDA) / SPI

serial data input (SDI)

/ 3-wire interface

serial data output

(SDO)

I²C/MIPI I3CSM serial

data (SDA) / SPI

serial data input (SDI)

/ 3-wire interface

serial data output

(SDO)

Default:

input without pull-up

Default:

input without pull-up

1. INT1 must be set to '0' or left unconnected during power-on if the I²C/SPI interfaces are used.

Table 19. Internal pin status (continued)

pin#

Name

Mode 1 function

Mode 2 function

Pin status Mode 1

Pin status Mode 2

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