ISM330DLC datasheet(50/116 Pages) STMICROELECTRONICS

50 / 116 page

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

Note:

The procedure to disable the pull-up on pins 10-11 is as follows:

AP side: write 80h in register at address 00h

AP side: write 01h in register at address 05h (disable the pull-up on pins 10 and 11 of ISM330DLC)

AP side: write 00h in register at address 00h

OCS

Leave unconnected

Auxiliary SPI 3/4-wire

interface enabled

Default: Input with

pull-up.

(See note below to

disable pull-up)

Default: Input with

pull-up.

(See note below to

disable pull-up)

Input without pull-up

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.

(See note below to

disable pull-up)

Default: Input with

pull-up.

(See note below to

disable pull-up)

Default: Input without

pull-up.

Pull-up is enabled if

bit SIM_OIS = 1

(Aux_SPI 3-wire) in

reg 70h.

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.

Default: Input with

pull-up.

Pull-up is disabled if

bit I2C_disable = 1 in

reg 13h.

Default: Input with

pull-up.

Pull-up is disabled if

bit I2C_disable = 1 in

reg 13h.

SCL

I2C serial clock (SCL)

/ SPI serial port clock

(SPC)

I2C serial clock (SCL)

/ SPI serial port clock

(SPC)

I2C serial clock (SCL)

/ SPI serial port clock

(SPC)

Input without pull-up

SDA

I2C serial data (SDA) /

SPI serial data input

(SDI) / 3-wire interface

serial data output

(SDO)

I2C serial data (SDA) /

SPI serial data input

(SDI) / 3-wire interface

serial data output

(SDO)

I2C serial data (SDA) /

SPI serial data input

(SDI) / 3-wire interface

serial data output

(SDO)

Input without pull-up

Table 19. Internal pin status (continued)

pin#

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

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