LSM303AH Datasheet, PDF (12/82 Pages) –

Block diagram and pin description
LSM303AH
Pin#
1
2
3
4
5
6
7
8
9
10
11
12
Table 2. Pin description
Name
Function
SCL
SPC
I²C serial clock (SCL)
SPI serial port clock (SPC)
SPI enable
I²C/SPI mode selection
CS
1: SPI idle mode / I²C communication enabled;
0: SPI communication mode / I²C disabled
Reserved
SDA
SDI
SDO
Reserved, connected to GND
I²C serial data (SDA)
SPI serial data input (SDI)
3-wire interface serial data output (SDO)
C1
Capacitor connection (C1 = 220 nF)
GND
0V
INT_MAG/DRDY
Magnetometer interrupt/data-ready signal
GND
0V
Vdd
Power supply
Vdd_IO
Power supply for I/O pins
INT2_XL
Accelerometer interrupt 2
INT1_XL
Accelerometer interrupt 1
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