LSM6DS3US Datasheet, PDF (19/104 Pages) STMicroelectronics – iNEMO inertial module: always-on 3D accelerometer and 3D gyroscope

LSM6DS3US
Pin description
Pin# Name
Table 2. Pin description
Mode 1 function
Mode 2 function
Mode 3 function
SPI 4-wire interface serial SPI 4-wire interface serial data ^{SPI 4-wire interface serial}
data output (SDO)
output (SDO)
data output (SDO)
1 SDO/SA0 _{I2C least significant bit of the I2C least significant bit of the I2C least significant bit of the}
device address (SA0)
device address (SA0)
device address (SA0)
Auxiliary SPI 3-wire interface
2
SDx
Connect to VDDIO or GND I²C serial data master (MSDA) ^{serial data input (SDI_Aux)}
and serial data output
(SDO_Aux)
3
SCx
Connect to VDDIO or GND
I²C serial clock master (MSCL)
Auxiliary SPI 3-wire interface
serial port clock (SPC_Aux)
4
INT1
5 VDDIO⁽¹⁾
Programmable interrupt 1
Power supply for I/O pins
6
GND
0 V supply
7
GND
8
VDD⁽²⁾
0 V supply
Power supply
Programmable interrupt 2
9
INT2
Programmable interrupt 2
(INT2)/ Data enable (DEN)
(INT2)/ Data enable (DEN)/
I²C master external
synchronization signal
Programmable interrupt 2
(INT2)/ Data enable (DEN)
(MDRDY)
10 CS_Aux Leave unconnected⁽³⁾
Leave unconnected⁽³⁾
Auxiliary SPI 3-wire interface
enable
11
NC⁽³⁾
Leave unconnected
I²C/SPI mode selection
(1: SPI idle mode / I²C
I²C/SPI mode selection
(1: SPI idle mode / I²C
I²C/SPI mode selection
(1: SPI idle mode / I²C
12
CS
communication enabled; 0: communication enabled;
communication enabled;
SPI communication mode / 0: SPI communication mode / _{0: SPI communication mode}
I²C disabled)
I²C disabled)
/I²C disabled)
I²C serial clock (SCL)
I²C serial clock (SCL)
I²C serial clock (SCL)
13
SCL
SPI serial port clock (SPC) SPI serial port clock (SPC)
SPI serial port clock (SPC)
I²C serial data (SDA)
I²C serial data (SDA)
I²C serial data (SDA)
14
SDA
SPI serial data input (SDI) SPI serial data input (SDI)
SPI serial data input (SDI)
3-wire interface serial data 3-wire interface serial data
3-wire interface serial data
output (SDO)
output (SDO)
output (SDO)
1. Recommended 100 nF filter capacitor.
2. Recommended 100 nF capacitor.
3. Leave pin electrically unconnected and soldered to PCB.
DocID028476 Rev 4
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