LSM303AGR Datasheet, PDF (12/68 Pages) STMicroelectronics – ultra-low-power 3D accelerometer and 3D magnetometer

Block diagram and pin description
LSM303AGR
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 = 220 nF)
GND
Connected to GND
INT_MAG/DRDY Magnetometer interrupt/data-ready signal
GND
0V
Vdd
Power supply
Vdd_IO
Power supply for I/O pins
INT_2_XL Accelerometer interrupt 2
INT_1_XL Accelerometer interrupt 1
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DocID027765 Rev 5