LSM303C Datasheet, PDF (10/53 Pages) –

Block diagram and pin description
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)
CS_XL
Accelerometer: SPI enable
I²C/SPI mode selection
1: SPI idle mode / I²C communication enabled;
0: SPI communication mode / I²C disabled
CS_MAG
SDA
SDI
SDO
Magnetometer: SPI enable
I²C/SPI mode selection
1: SPI idle mode / I²C communication enabled;
0: SPI communication mode / I²C disabled
I²C serial data (SDA)
SPI serial data input (SDI)
3-wire interface serial data output (SDO)
C1
Capacitor connection (C1 = 100 nF)
GND
Connected to GND
INT_MAG Magnetometer interrupt signal
GND
Connected to GND
Vdd
Power supply
Vdd_IO Power supply for I/O pins
DRDY_MAG Magnetometer data ready
INT_XL Accelerometer interrupt signal
LSM303C
10/53
DocID024975 Rev 2