LSM9DS1 Datasheet, PDF (11/72 Pages) –

LSM9DS1
Pin description
Table 2. Pin description
Pin #
1
2
3
4
Name
Function
VDDIO⁽¹⁾ Power supply for I/O pins
SCL/SPC I²C serial clock (SCL) / SPI serial port clock (SPC)
VDDIO⁽²⁾ Power supply for I/O pins
I²C serial data (SDA)
SDA/SDI/SDO SPI serial data input (SDI)
3-wire interface serial data output (SDO)
SPI serial data output (SDO) for the accelerometer and gyroscope
5
SDO_A/G I²C least significant bit of the device address (SA0) for the accelerometer
and gyroscope
6
SDO_M
SPI serial data output (SDO) for the magnetometer
I²C least significant bit of the device address (SA0) for the magnetometer
SPI enable
7
CS_A/G
I²C/SPI mode selection for the accelerometer and gyroscope
(1: SPI idle mode / I²C communication enabled;
0: SPI communication mode / I²C disabled)
SPI enable
8
CS_M
I²C/SPI mode selection for the magnetometer
(1: SPI idle mode / I²C communication enabled;
0: SPI communication mode / I²C disabled)
9
DRDY_M Magnetic sensor data ready
10
INT_M
Magnetic sensor interrupt
11
INT1_A/G Accelerometer and gyroscope interrupt 1
12
INT2_A/G Accelerometer and gyroscope interrupt 2
13
DEN_A/G Accelerometer and gyroscope data enable
14
RES
Reserved. Connected to GND.
15
RES
Reserved. Connected to GND.
16
RES
Reserved. Connected to GND.
17
RES
Reserved. Connected to GND.
18
RES
Reserved. Connected to GND.
19
GND
0 V supply
20
GND
0 V supply
21
CAP
Connected to GND with ceramic capacitor⁽³⁾
22
VDD⁽⁴⁾
Power supply
23
VDD⁽⁵⁾
Power supply
24
C1
Capacitor connection (C1 = 100 nF)
1. Recommended 100 nF filter capacitor.
2. Recommended 100 nF filter capacitor.
3. 10 nF (±10%), 16 V. 1 nF minimum value has to be guaranteed under 11 V bias condition.
4. Recommended 100 nF plus 10 µF capacitors.
5. Recommended 100 nF plus 10 µF capacitors.
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