LIS2DH12 datasheet(21/53 Pages) STMICROELECTRONICS

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LIS2DH12

Application hints

4.1

Soldering information

The LGA package is compliant with the ECOPACK®, RoHS and “Green” standard.

It is qualified for soldering heat resistance according to JEDEC J-STD-020.

Leave “Pin 1 Indicator” unconnected during soldering.

Land pattern and soldering recommendations are available at www.st.com.

Table 13. Internal pin status

Pin#

Name

Function

Pin status

SCL

SPC

I2C serial clock (SCL)

SPI serial port clock (SPC)

Default: input high impedance

2CS

SPI enable

I2C/SPI mode selection:

1: SPI idle mode / I2C communication enabled

0: SPI communication mode / I2C disabled

Default: input high impedance

SDO

SA0

SPI serial data output (SDO)

I2C less significant bit of the device address (SA0)

Default: input with internal pull-up(1)

SDA

SDI

SDO

I2C serial data (SDA)

SPI serial data input (SDI)

3-wire interface serial data output (SDO)

Default: (SDA) input high impedance

Res

Connect to GND

GND

0 V supply

GND

0 V supply

GND

0 V supply

Vdd

Power supply

Vdd_IO

Power supply for I/O pins

INT2

Interrupt pin 2

Default: push-pull output forced to GND

INT1

Interrupt pin 1

Default: push-pull output forced to GND

1. In order to disable the internal pull-up on the SDO/SA0 pin, write 90h in CTRL_REG0 (1Eh).

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