LSM303CTR datasheet(10/53 Pages) STMICROELECTRONICS

No de pièce	LSM303CTR

Description	Ultra-compact high-performance eCompass module: 3D accelerometer and 3D magnetometer

PDF	53 Pages

Scroll/Zoom	100%

Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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10 / 53 page

Block diagram and pin description

LSM303C

10/53

DocID024975 Rev 2

Table 2. Pin description

Pin#

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

Magnetometer: SPI enable

I2C/SPI mode selection

1: SPI idle mode / I2C communication enabled;

0: SPI communication mode / I2C disabled

SDA

SDI

SDO

I2C serial data (SDA)

SPI serial data input (SDI)

3-wire interface serial data output (SDO)

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

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