LIS2DW12TR datasheet(4/66 Pages) STMICROELECTRONICS

4 / 66 page

1.2

Pin description

Figure 2. Pin connections

GND

RES

SCL/SPC

SDO/SA0

SDA/SDI/SDO

(TOPVIEW)

DIRECTION OF THE

DETECTABLE

ACCELERATIONS

VDD

(BOTTOM VIEW)

VDDIO

Table 1. Pin description

Pin#

Name

Function

SCL

SPC

I²C serial clock (SCL)

SPI serial port clock (SPC)

2(1)

SPI enable

I²C/SPI mode selection

(1: SPI idle mode / I²C communication enabled;

0: SPI communication mode / I²C disabled)

3(1)

SDO

SA0

SPI serial data output (SDO)

I²C less significant bit of the device address (SA0)

SDA

SDI

SDO

I²C serial data (SDA)

SPI serial data input (SDI)

3-wire interface serial data output (SDO)

Internally not connected. Can be tied to VDD, VDDIO, or GND.

GND

0 V supply

RES

Connect to GND

GND

0 V supply

VDD

Power supply

VDD_IO

Power supply for I/O pins

INT2

Interrupt pin 2. Clock input when selected in single data conversion on demand.

INT1

Interrupt pin 1

1. SDO/SA0 and CS pins are internally pulled up. Refer to Table 2. Internal pull-up values (typ.) for SDO/SA0 and CS pins for

the internal pull-up values (typ).

LIS2DW12

Pin description

DS11811 - Rev 8

page 4/66

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