LIS2DH12 Datasheet, PDF (21/53 Pages) STMicroelectronics – Free-fall detection

LIS2DH12
Application hints
Pin#
1
Name
SCL
SPC
Table 13. Internal pin status
Function
Pin status
I²C serial clock (SCL)
SPI serial port clock (SPC)
Default: input high impedance
SPI enable
2
CS
I²C/SPI mode selection:
Default: input high impedance
1: SPI idle mode / I²C communication enabled
0: SPI communication mode / I²C disabled
3
SDO
SA0
SPI serial data output (SDO)
I²C less significant bit of the device address (SA0)
Default: input with internal pull-up⁽¹⁾
SDA I²C serial data (SDA)
4
SDI
SPI serial data input (SDI)
Default: (SDA) input high impedance
SDO 3-wire interface serial data output (SDO)
5
Res Connect to GND
6
GND 0 V supply
7
GND 0 V supply
8
GND 0 V supply
9
Vdd Power supply
10
Vdd_IO Power supply for I/O pins
11
INT2 Interrupt pin 2
Default: push-pull output forced to GND
12
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).
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.
DocID025056 Rev 6
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